Merge branch 'feat/update_hosts_list_error_messaging' into feat/improve_infra_monitoring_list_apis

* fix: creating tooltip plugin container only once

* chore: throttled legendcolor change

* fix: fixed tooltip plugin test

deploy/docker-swarm/docker-compose.ha.yaml

@@ -190,7 +190,7 @@ services:
       # - ../common/clickhouse/storage.xml:/etc/clickhouse-server/config.d/storage.xml
   signoz:
     !!merge <<: *db-depend
-    image: signoz/signoz:v0.112.1
+    image: signoz/signoz:v0.113.0
     ports:
       - "8080:8080" # signoz port
     #   - "6060:6060"     # pprof port
@@ -213,7 +213,7 @@ services:
       retries: 3
   otel-collector:
     !!merge <<: *db-depend
-    image: signoz/signoz-otel-collector:v0.142.1
+    image: signoz/signoz-otel-collector:v0.144.1
     entrypoint:
       - /bin/sh
     command:
@@ -241,7 +241,7 @@ services:
       replicas: 3
   signoz-telemetrystore-migrator:
     !!merge <<: *db-depend
-    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.142.0}
+    image: signoz/signoz-otel-collector:v0.144.1
     environment:
       - SIGNOZ_OTEL_COLLECTOR_CLICKHOUSE_DSN=tcp://clickhouse:9000
       - SIGNOZ_OTEL_COLLECTOR_CLICKHOUSE_CLUSTER=cluster

deploy/docker-swarm/docker-compose.yaml

@@ -117,7 +117,7 @@ services:
       # - ../common/clickhouse/storage.xml:/etc/clickhouse-server/config.d/storage.xml
   signoz:
     !!merge <<: *db-depend
-    image: signoz/signoz:v0.112.1
+    image: signoz/signoz:v0.113.0
     ports:
       - "8080:8080" # signoz port
     volumes:
@@ -139,7 +139,7 @@ services:
       retries: 3
   otel-collector:
     !!merge <<: *db-depend
-    image: signoz/signoz-otel-collector:v0.142.1
+    image: signoz/signoz-otel-collector:v0.144.1
     entrypoint:
       - /bin/sh
     command:
@@ -167,7 +167,7 @@ services:
       replicas: 3
   signoz-telemetrystore-migrator:
     !!merge <<: *db-depend
-    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.142.0}
+    image: signoz/signoz-otel-collector:v0.144.1
     environment:
       - SIGNOZ_OTEL_COLLECTOR_CLICKHOUSE_DSN=tcp://clickhouse:9000
       - SIGNOZ_OTEL_COLLECTOR_CLICKHOUSE_CLUSTER=cluster

deploy/docker-swarm/otel-collector-config.yaml

@@ -82,6 +82,12 @@ exporters:
     timeout: 45s
     sending_queue:
       enabled: false
+  metadataexporter:
+    cache:
+      provider: in_memory
+    dsn: tcp://clickhouse:9000/signoz_metadata
+    enabled: true
+    timeout: 45s
 service:
   telemetry:
     logs:
@@ -93,19 +99,19 @@ service:
     traces:
       receivers: [otlp]
       processors: [signozspanmetrics/delta, batch]
-      exporters: [clickhousetraces, signozmeter]
+      exporters: [clickhousetraces, metadataexporter, signozmeter]
     metrics:
       receivers: [otlp]
       processors: [batch]
-      exporters: [signozclickhousemetrics, signozmeter]
+      exporters: [signozclickhousemetrics, metadataexporter, signozmeter]
     metrics/prometheus:
       receivers: [prometheus]
       processors: [batch]
-      exporters: [signozclickhousemetrics, signozmeter]
+      exporters: [signozclickhousemetrics, metadataexporter, signozmeter]
     logs:
       receivers: [otlp]
       processors: [batch]
-      exporters: [clickhouselogsexporter, signozmeter]
+      exporters: [clickhouselogsexporter, metadataexporter, signozmeter]
     metrics/meter:
       receivers: [signozmeter]
       processors: [batch/meter]

deploy/docker/docker-compose.ha.yaml

@@ -181,7 +181,7 @@ services:
       # - ../common/clickhouse/storage.xml:/etc/clickhouse-server/config.d/storage.xml
   signoz:
     !!merge <<: *db-depend
-    image: signoz/signoz:${VERSION:-v0.112.1}
+    image: signoz/signoz:${VERSION:-v0.113.0}
     container_name: signoz
     ports:
       - "8080:8080" # signoz port
@@ -204,7 +204,7 @@ services:
       retries: 3
   otel-collector:
     !!merge <<: *db-depend
-    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.142.1}
+    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.144.1}
     container_name: signoz-otel-collector
     entrypoint:
       - /bin/sh
@@ -229,7 +229,7 @@ services:
       - "4318:4318" # OTLP HTTP receiver
   signoz-telemetrystore-migrator:
     !!merge <<: *db-depend
-    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.142.0}
+    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.144.1}
     container_name: signoz-telemetrystore-migrator
     environment:
       - SIGNOZ_OTEL_COLLECTOR_CLICKHOUSE_DSN=tcp://clickhouse:9000

deploy/docker/docker-compose.yaml

@@ -109,7 +109,7 @@ services:
       # - ../common/clickhouse/storage.xml:/etc/clickhouse-server/config.d/storage.xml
   signoz:
     !!merge <<: *db-depend
-    image: signoz/signoz:${VERSION:-v0.112.1}
+    image: signoz/signoz:${VERSION:-v0.113.0}
     container_name: signoz
     ports:
       - "8080:8080" # signoz port
@@ -132,7 +132,7 @@ services:
       retries: 3
   otel-collector:
     !!merge <<: *db-depend
-    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.142.1}
+    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.144.1}
     container_name: signoz-otel-collector
     entrypoint:
       - /bin/sh
@@ -157,7 +157,7 @@ services:
       - "4318:4318" # OTLP HTTP receiver
   signoz-telemetrystore-migrator:
     !!merge <<: *db-depend
-    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.142.0}
+    image: signoz/signoz-otel-collector:${OTELCOL_TAG:-v0.144.1}
     container_name: signoz-telemetrystore-migrator
     environment:
       - SIGNOZ_OTEL_COLLECTOR_CLICKHOUSE_DSN=tcp://clickhouse:9000

deploy/docker/otel-collector-config.yaml

@@ -82,6 +82,12 @@ exporters:
     timeout: 45s
     sending_queue:
       enabled: false
+  metadataexporter:
+    cache:
+      provider: in_memory
+    dsn: tcp://clickhouse:9000/signoz_metadata
+    enabled: true
+    timeout: 45s
 service:
   telemetry:
     logs:
@@ -93,19 +99,19 @@ service:
     traces:
       receivers: [otlp]
       processors: [signozspanmetrics/delta, batch]
-      exporters: [clickhousetraces, signozmeter]
+      exporters: [clickhousetraces, metadataexporter, signozmeter]
     metrics:
       receivers: [otlp]
       processors: [batch]
-      exporters: [signozclickhousemetrics, signozmeter]
+      exporters: [signozclickhousemetrics, metadataexporter, signozmeter]
     metrics/prometheus:
       receivers: [prometheus]
       processors: [batch]
-      exporters: [signozclickhousemetrics, signozmeter]
+      exporters: [signozclickhousemetrics, metadataexporter, signozmeter]
     logs:
       receivers: [otlp]
       processors: [batch]
-      exporters: [clickhouselogsexporter, signozmeter]
+      exporters: [clickhouselogsexporter, metadataexporter, signozmeter]
     metrics/meter:
       receivers: [signozmeter]
       processors: [batch/meter]

docs/api/openapi.yml

@@ -842,6 +842,17 @@ components:
       - temporality
       - isMonotonic
       type: object
+    MetrictypesComparisonSpaceAggregationParam:
+      properties:
+        operator:
+          type: string
+        threshold:
+          format: double
+          type: number
+      required:
+      - operator
+      - threshold
+      type: object
     MetrictypesSpaceAggregation:
       enum:
       - sum
@@ -1138,6 +1149,8 @@ components:
       type: object
     Querybuildertypesv5MetricAggregation:
       properties:
+        comparisonSpaceAggregationParam:
+          $ref: '#/components/schemas/MetrictypesComparisonSpaceAggregationParam'
         metricName:
           type: string
         reduceTo:

frontend/src/api/generated/services/sigNoz.schemas.ts

@@ -1006,6 +1006,18 @@ export interface MetricsexplorertypesUpdateMetricMetadataRequestDTO {
 	unit: string;
 }
 
+export interface MetrictypesComparisonSpaceAggregationParamDTO {
+	/**
+	 * @type string
+	 */
+	operator: string;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	threshold: number;
+}
+
 export enum MetrictypesSpaceAggregationDTO {
 	sum = 'sum',
 	avg = 'avg',
@@ -1367,6 +1379,7 @@ export interface Querybuildertypesv5LogAggregationDTO {
 }
 
 export interface Querybuildertypesv5MetricAggregationDTO {
+	comparisonSpaceAggregationParam?: MetrictypesComparisonSpaceAggregationParamDTO;
 	/**
 	 * @type string
 	 */

frontend/src/api/infraMonitoring/getHostLists.ts

@@ -50,6 +50,7 @@ export interface HostListResponse {
 		total: number;
 		sentAnyHostMetricsData: boolean;
 		isSendingK8SAgentMetrics: boolean;
+		endTimeBeforeRetention: boolean;
 	};
 }
 

frontend/src/api/metricsExplorer/v2/getMetricMetadata.ts

@@ -1,26 +0,0 @@
-import { ApiV2Instance as axios } from 'api';
-import { ErrorResponseHandlerV2 } from 'api/ErrorResponseHandlerV2';
-import { AxiosError } from 'axios';
-import { ErrorResponseV2, ErrorV2Resp, SuccessResponseV2 } from 'types/api';
-import { MetricMetadataResponse } from 'types/api/metricsExplorer/v2/getMetricMetadata';
-
-export const getMetricMetadata = async (
-	metricName: string,
-	signal?: AbortSignal,
-	headers?: Record<string, string>,
-): Promise<SuccessResponseV2<MetricMetadataResponse> | ErrorResponseV2> => {
-	try {
-		const encodedMetricName = encodeURIComponent(metricName);
-		const response = await axios.get(`/metrics/${encodedMetricName}/metadata`, {
-			signal,
-			headers,
-		});
-
-		return {
-			httpStatusCode: response.status,
-			data: response.data,
-		};
-	} catch (error) {
-		return ErrorResponseHandlerV2(error as AxiosError<ErrorV2Resp>);
-	}
-};

frontend/src/components/LogDetail/index.tsx

@@ -86,8 +86,13 @@ function LogDetailInner({
 		const handleClickOutside = (e: MouseEvent): void => {
 			const target = e.target as HTMLElement;
 
-			// Don't close if clicking on explicitly ignored regions
-			if (target.closest('[data-log-detail-ignore="true"]')) {
+			// Don't close if clicking on drawer content, overlays, or portal elements
+			if (
+				target.closest('[data-log-detail-ignore="true"]') ||
+				target.closest('.cm-tooltip-autocomplete') ||
+				target.closest('.drawer-popover') ||
+				target.closest('.query-status-popover')
+			) {
 				return;
 			}
 
@@ -400,7 +405,11 @@ function LogDetailInner({
 			<div className="log-detail-drawer__content" data-log-detail-ignore="true">
 				<div className="log-detail-drawer__log">
 					<Divider type="vertical" className={cx('log-type-indicator', logType)} />
-					<Tooltip title={removeEscapeCharacters(log?.body)} placement="left">
+					<Tooltip
+						title={removeEscapeCharacters(log?.body)}
+						placement="left"
+						mouseLeaveDelay={0}
+					>
 						<div className="log-body" dangerouslySetInnerHTML={htmlBody} />
 					</Tooltip>
 
@@ -466,6 +475,7 @@ function LogDetailInner({
 								title="Show Filters"
 								placement="topLeft"
 								aria-label="Show Filters"
+								mouseLeaveDelay={0}
 							>
 								<Button
 									className="action-btn"
@@ -481,6 +491,7 @@ function LogDetailInner({
 							aria-label={
 								selectedView === VIEW_TYPES.JSON ? 'Copy JSON' : 'Copy Log Link'
 							}
+							mouseLeaveDelay={0}
 						>
 							<Button
 								className="action-btn"

frontend/src/components/Logs/AddToQueryHOC.tsx

@@ -27,7 +27,11 @@ function AddToQueryHOC({
 	return (
 		// eslint-disable-next-line jsx-a11y/click-events-have-key-events, jsx-a11y/no-static-element-interactions
 		<div className={cx('addToQueryContainer', fontSize)} onClick={handleQueryAdd}>
-			<Popover placement="top" content={popOverContent}>
+			<Popover
+				overlayClassName="drawer-popover"
+				placement="top"
+				content={popOverContent}
+			>
 				{children}
 			</Popover>
 		</div>

frontend/src/components/Logs/CopyClipboardHOC.tsx

@@ -32,6 +32,7 @@ function CopyClipboardHOC({
 		<span onClick={onClick} role="presentation" tabIndex={-1}>
 			<Popover
 				placement="top"
+				overlayClassName="drawer-popover"
 				content={<span style={{ fontSize: '0.9rem' }}>{tooltipText}</span>}
 			>
 				{children}

frontend/src/components/Logs/TableView/config.ts

@@ -21,7 +21,7 @@ export function getDefaultCellStyle(isDarkMode?: boolean): CSSProperties {
 
 export const defaultTableStyle: CSSProperties = {
 	minWidth: '40rem',
-	maxWidth: '60rem',
+	maxWidth: '90rem',
 };
 
 export const defaultListViewPanelStyle: CSSProperties = {

frontend/src/components/QueryBuilderV2/QueryV2/QuerySearch/QuerySearch.tsx

@@ -11,7 +11,6 @@ import {
 	startCompletion,
 } from '@codemirror/autocomplete';
 import { javascript } from '@codemirror/lang-javascript';
-import * as Sentry from '@sentry/react';
 import { Color } from '@signozhq/design-tokens';
 import { copilot } from '@uiw/codemirror-theme-copilot';
 import { githubLight } from '@uiw/codemirror-theme-github';
@@ -564,15 +563,7 @@ function QuerySearch({
 		const lastPos = lastPosRef.current;
 
 		if (newPos.line !== lastPos.line || newPos.ch !== lastPos.ch) {
-			setCursorPos((lastPos) => {
-				if (newPos.ch !== lastPos.ch && newPos.ch === 0) {
-					Sentry.captureEvent({
-						message: `Cursor jumped to start of line from ${lastPos.ch} to ${newPos.ch}`,
-						level: 'warning',
-					});
-				}
-				return newPos;
-			});
+			setCursorPos(newPos);
 			lastPosRef.current = newPos;
 
 			if (doc) {
@@ -1328,7 +1319,10 @@ function QuerySearch({
 			)}
 
 			<div className="query-where-clause-editor-container">
-				<Tooltip title={getTooltipContent()} placement="left">
+				<Tooltip
+					title={<div data-log-detail-ignore="true">{getTooltipContent()}</div>}
+					placement="left"
+				>
 					<a
 						href="https://signoz.io/docs/userguide/search-syntax/"
 						target="_blank"

frontend/src/container/AppLayout/index.tsx

@@ -117,7 +117,7 @@ function AppLayout(props: AppLayoutProps): JSX.Element {
 	const [showSlowApiWarning, setShowSlowApiWarning] = useState(false);
 	const [slowApiWarningShown, setSlowApiWarningShown] = useState(false);
 
-	const { latestVersion } = useSelector<AppState, AppReducer>(
+	const { currentVersion } = useSelector<AppState, AppReducer>(
 		(state) => state.app,
 	);
 
@@ -213,9 +213,9 @@ function AppLayout(props: AppLayoutProps): JSX.Element {
 		},
 		{
 			queryFn: (): Promise<SuccessResponse<ChangelogSchema> | ErrorResponse> =>
-				getChangelogByVersion(latestVersion, changelogForTenant),
-			queryKey: ['getChangelogByVersion', latestVersion, changelogForTenant],
-			enabled: isLoggedIn && Boolean(latestVersion),
+				getChangelogByVersion(currentVersion, changelogForTenant),
+			queryKey: ['getChangelogByVersion', currentVersion, changelogForTenant],
+			enabled: isLoggedIn && Boolean(currentVersion),
 		},
 	]);
 
@@ -226,7 +226,7 @@ function AppLayout(props: AppLayoutProps): JSX.Element {
 			!changelog &&
 			!getChangelogByVersionResponse.isLoading &&
 			isLoggedIn &&
-			Boolean(latestVersion)
+			Boolean(currentVersion)
 		) {
 			getChangelogByVersionResponse.refetch();
 		}
@@ -237,9 +237,9 @@ function AppLayout(props: AppLayoutProps): JSX.Element {
 		let timer: ReturnType<typeof setTimeout>;
 		if (
 			isCloudUserVal &&
-			Boolean(latestVersion) &&
+			Boolean(currentVersion) &&
 			seenChangelogVersion != null &&
-			latestVersion !== seenChangelogVersion &&
+			currentVersion !== seenChangelogVersion &&
 			daysSinceAccountCreation > MIN_ACCOUNT_AGE_FOR_CHANGELOG && // Show to only users older than 2 weeks
 			!isWorkspaceAccessRestricted
 		) {
@@ -255,7 +255,7 @@ function AppLayout(props: AppLayoutProps): JSX.Element {
 		// eslint-disable-next-line react-hooks/exhaustive-deps
 	}, [
 		isCloudUserVal,
-		latestVersion,
+		currentVersion,
 		seenChangelogVersion,
 		toggleChangelogModal,
 		isWorkspaceAccessRestricted,

frontend/src/container/DashboardContainer/DashboardVariablesSelection/DashboardVariableSelection.tsx

@@ -9,6 +9,7 @@ import {
 import useVariablesFromUrl from 'hooks/dashboard/useVariablesFromUrl';
 import { useDashboard } from 'providers/Dashboard/Dashboard';
 import { initializeDefaultVariables } from 'providers/Dashboard/initializeDefaultVariables';
+import { updateDashboardVariablesStore } from 'providers/Dashboard/store/dashboardVariables/dashboardVariablesStore';
 import {
 	enqueueDescendantsOfVariable,
 	enqueueFetchOfAllVariables,
@@ -31,6 +32,9 @@ function DashboardVariableSelection(): JSX.Element | null {
 	const { updateUrlVariable, getUrlVariables } = useVariablesFromUrl();
 
 	const { dashboardVariables } = useDashboardVariables();
+	const dashboardId = useDashboardVariablesSelector(
+		(state) => state.dashboardId,
+	);
 	const sortedVariablesArray = useDashboardVariablesSelector(
 		(state) => state.sortedVariablesArray,
 	);
@@ -96,6 +100,28 @@ function DashboardVariableSelection(): JSX.Element | null {
 				updateUrlVariable(name || id, value);
 			}
 
+			// Synchronously update the external store with the new variable value so that
+			// child variables see the updated parent value when they refetch, rather than
+			// waiting for setSelectedDashboard → useEffect → updateDashboardVariablesStore.
+			const updatedVariables = { ...dashboardVariables };
+			if (updatedVariables[id]) {
+				updatedVariables[id] = {
+					...updatedVariables[id],
+					selectedValue: value,
+					allSelected,
+					haveCustomValuesSelected,
+				};
+			}
+			if (updatedVariables[name]) {
+				updatedVariables[name] = {
+					...updatedVariables[name],
+					selectedValue: value,
+					allSelected,
+					haveCustomValuesSelected,
+				};
+			}
+			updateDashboardVariablesStore({ dashboardId, variables: updatedVariables });
+
 			setSelectedDashboard((prev) => {
 				if (prev) {
 					const oldVariables = { ...prev?.data.variables };
@@ -130,10 +156,12 @@ function DashboardVariableSelection(): JSX.Element | null {
 				return prev;
 			});
 
-			// Cascade: enqueue query-type descendants for refetching
+			// Cascade: enqueue query-type descendants for refetching.
+			// Safe to call synchronously now that the store already has the updated value.
 			enqueueDescendantsOfVariable(name);
 		},
 		[
+			dashboardId,
 			dashboardVariables,
 			updateLocalStorageDashboardVariables,
 			updateUrlVariable,

frontend/src/container/DashboardContainer/DashboardVariablesSelection/QueryVariableInput.tsx

@@ -5,7 +5,7 @@ import dashboardVariablesQuery from 'api/dashboard/variables/dashboardVariablesQ
 import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
 import { useVariableFetchState } from 'hooks/dashboard/useVariableFetchState';
 import sortValues from 'lib/dashboardVariables/sortVariableValues';
-import { isArray, isEmpty, isString } from 'lodash-es';
+import { isArray, isEmpty } from 'lodash-es';
 import { AppState } from 'store/reducers';
 import { VariableResponseProps } from 'types/api/dashboard/variables/query';
 import { GlobalReducer } from 'types/reducer/globalTime';
@@ -54,7 +54,7 @@ function QueryVariableInput({
 		onChange,
 		onDropdownVisibleChange,
 		handleClear,
-		applyDefaultIfNeeded,
+		getDefaultValue,
 	} = useDashboardVariableSelectHelper({
 		variableData,
 		optionsData,
@@ -68,81 +68,93 @@ function QueryVariableInput({
 			try {
 				setErrorMessage(null);
 
+				// This is just a check given the previously undefined typed name prop. Not significant
+				// This will be changed when we change the schema
+				// TODO: @AshwinBhatkal Perses
+				if (!variableData.name) {
+					return;
+				}
+
+				// if the response is not an array, premature return
 				if (
-					variablesRes?.variableValues &&
-					Array.isArray(variablesRes?.variableValues)
+					!variablesRes?.variableValues ||
+					!Array.isArray(variablesRes?.variableValues)
 				) {
-					const newOptionsData = sortValues(
-						variablesRes?.variableValues,
-						variableData.sort,
+					return;
+				}
+
+				const sortedNewOptions = sortValues(
+					variablesRes.variableValues,
+					variableData.sort,
+				);
+				const sortedOldOptions = sortValues(optionsData, variableData.sort);
+
+				// if options are the same as before, no need to update state or check for selected value validity
+				// ! selectedValue needs to be set in the first pass though, as options are initially empty array and we need to apply default if needed
+				// Expecatation is that when oldOptions are not empty, then there is always some selectedValue
+				if (areArraysEqual(sortedNewOptions, sortedOldOptions)) {
+					return;
+				}
+
+				setOptionsData(sortedNewOptions);
+
+				let isSelectedValueMissingInNewOptions = false;
+
+				// Check if currently selected value(s) are present in the new options list
+				if (isArray(variableData.selectedValue)) {
+					isSelectedValueMissingInNewOptions = variableData.selectedValue.some(
+						(val) => !sortedNewOptions.includes(val),
 					);
+				} else if (
+					variableData.selectedValue &&
+					!sortedNewOptions.includes(variableData.selectedValue)
+				) {
+					isSelectedValueMissingInNewOptions = true;
+				}
 
-					const oldOptionsData = sortValues(optionsData, variableData.sort) as never;
+				// If multi-select with ALL option enabled, and ALL is currently selected, we want to maintain that state and select all new options
+				// This block does not depend on selected value because of ALL and also because we would only come here if options are different from the previous
+				if (
+					variableData.multiSelect &&
+					variableData.showALLOption &&
+					variableData.allSelected &&
+					isSelectedValueMissingInNewOptions
+				) {
+					onValueUpdate(variableData.name, variableData.id, sortedNewOptions, true);
 
-					if (!areArraysEqual(newOptionsData, oldOptionsData)) {
-						let valueNotInList = false;
+					// Update tempSelection to maintain ALL state when dropdown is open
+					if (tempSelection !== undefined) {
+						setTempSelection(sortedNewOptions.map((option) => option.toString()));
+					}
+					return;
+				}
 
-						if (isArray(variableData.selectedValue)) {
-							variableData.selectedValue.forEach((val) => {
-								if (!newOptionsData.includes(val)) {
-									valueNotInList = true;
-								}
-							});
-						} else if (
-							isString(variableData.selectedValue) &&
-							!newOptionsData.includes(variableData.selectedValue)
-						) {
-							valueNotInList = true;
-						}
+				const value = variableData.selectedValue;
+				let allSelected = false;
 
-						if (variableData.name && (valueNotInList || variableData.allSelected)) {
-							if (
-								variableData.allSelected &&
-								variableData.multiSelect &&
-								variableData.showALLOption
-							) {
-								if (
-									variableData.name &&
-									variableData.id &&
-									!isEmpty(variableData.selectedValue)
-								) {
-									onValueUpdate(
-										variableData.name,
-										variableData.id,
-										newOptionsData,
-										true,
-									);
-								}
+				if (variableData.multiSelect) {
+					const { selectedValue } = variableData;
+					allSelected =
+						sortedNewOptions.length > 0 &&
+						Array.isArray(selectedValue) &&
+						sortedNewOptions.every((option) => selectedValue.includes(option));
+				}
 
-								// Update tempSelection to maintain ALL state when dropdown is open
-								if (tempSelection !== undefined) {
-									setTempSelection(newOptionsData.map((option) => option.toString()));
-								}
-							} else {
-								const value = variableData.selectedValue;
-								let allSelected = false;
-
-								if (variableData.multiSelect) {
-									const { selectedValue } = variableData;
-									allSelected =
-										newOptionsData.length > 0 &&
-										Array.isArray(selectedValue) &&
-										newOptionsData.every((option) => selectedValue.includes(option));
-								}
-
-								if (
-									variableData.name &&
-									variableData.id &&
-									!isEmpty(variableData.selectedValue)
-								) {
-									onValueUpdate(variableData.name, variableData.id, value, allSelected);
-								}
-							}
-						}
-
-						setOptionsData(newOptionsData);
-						// Apply default if no value is selected (e.g., new variable, first load)
-						applyDefaultIfNeeded(newOptionsData);
+				if (
+					variableData.name &&
+					variableData.id &&
+					!isEmpty(variableData.selectedValue)
+				) {
+					onValueUpdate(variableData.name, variableData.id, value, allSelected);
+				} else {
+					const defaultValue = getDefaultValue(sortedNewOptions);
+					if (defaultValue !== undefined) {
+						onValueUpdate(
+							variableData.name,
+							variableData.id,
+							defaultValue,
+							allSelected,
+						);
 					}
 				}
 			} catch (e) {
@@ -155,7 +167,7 @@ function QueryVariableInput({
 			onValueUpdate,
 			tempSelection,
 			setTempSelection,
-			applyDefaultIfNeeded,
+			getDefaultValue,
 		],
 	);
 

frontend/src/container/DashboardContainer/DashboardVariablesSelection/__test__/DashboardVariableSelection.test.tsx

@@ -1,5 +1,6 @@
 /* eslint-disable sonarjs/no-duplicate-string */
 import { act, render } from '@testing-library/react';
+import * as dashboardVariablesStoreModule from 'providers/Dashboard/store/dashboardVariables/dashboardVariablesStore';
 import {
 	dashboardVariablesStore,
 	setDashboardVariablesStore,
@@ -10,6 +11,7 @@ import {
 	IDashboardVariablesStoreState,
 } from 'providers/Dashboard/store/dashboardVariables/dashboardVariablesStoreTypes';
 import {
+	enqueueDescendantsOfVariable,
 	enqueueFetchOfAllVariables,
 	initializeVariableFetchStore,
 } from 'providers/Dashboard/store/variableFetchStore';
@@ -17,6 +19,17 @@ import { IDashboardVariable } from 'types/api/dashboard/getAll';
 
 import DashboardVariableSelection from '../DashboardVariableSelection';
 
+// Mutable container to capture the onValueUpdate callback from VariableItem
+const mockVariableItemCallbacks: {
+	onValueUpdate?: (
+		name: string,
+		id: string,
+		value: IDashboardVariable['selectedValue'],
+		allSelected: boolean,
+		haveCustomValuesSelected?: boolean,
+	) => void;
+} = {};
+
 // Mock providers/Dashboard/Dashboard
 const mockSetSelectedDashboard = jest.fn();
 const mockUpdateLocalStorageDashboardVariables = jest.fn();
@@ -56,10 +69,14 @@ jest.mock('react-redux', () => ({
 	useSelector: jest.fn().mockReturnValue({ minTime: 1000, maxTime: 2000 }),
 }));
 
-// Mock VariableItem to avoid rendering complexity
+// VariableItem mock captures the onValueUpdate prop for use in onValueUpdate tests
 jest.mock('../VariableItem', () => ({
 	__esModule: true,
-	default: (): JSX.Element => <div data-testid="variable-item" />,
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	default: (props: any): JSX.Element => {
+		mockVariableItemCallbacks.onValueUpdate = props.onValueUpdate;
+		return <div data-testid="variable-item" />;
+	},
 }));
 
 function createVariable(
@@ -200,4 +217,162 @@ describe('DashboardVariableSelection', () => {
 		expect(initializeVariableFetchStore).not.toHaveBeenCalled();
 		expect(enqueueFetchOfAllVariables).not.toHaveBeenCalled();
 	});
+
+	describe('onValueUpdate', () => {
+		let updateStoreSpy: jest.SpyInstance;
+
+		beforeEach(() => {
+			resetStore();
+			jest.clearAllMocks();
+			// Real implementation pass-through — we just want to observe calls
+			updateStoreSpy = jest.spyOn(
+				dashboardVariablesStoreModule,
+				'updateDashboardVariablesStore',
+			);
+		});
+
+		afterEach(() => {
+			updateStoreSpy.mockRestore();
+		});
+
+		it('updates dashboardVariablesStore synchronously before enqueueDescendantsOfVariable', () => {
+			setDashboardVariablesStore({
+				dashboardId: 'dash-1',
+				variables: {
+					env: createVariable({ name: 'env', id: 'env-id', order: 0 }),
+				},
+			});
+
+			render(<DashboardVariableSelection />);
+
+			const callOrder: string[] = [];
+			updateStoreSpy.mockImplementation(() => {
+				callOrder.push('updateDashboardVariablesStore');
+			});
+			(enqueueDescendantsOfVariable as jest.Mock).mockImplementation(() => {
+				callOrder.push('enqueueDescendantsOfVariable');
+			});
+
+			act(() => {
+				mockVariableItemCallbacks.onValueUpdate?.(
+					'env',
+					'env-id',
+					'production',
+					false,
+				);
+			});
+
+			expect(callOrder).toEqual([
+				'updateDashboardVariablesStore',
+				'enqueueDescendantsOfVariable',
+			]);
+		});
+
+		it('passes updated variable value to dashboardVariablesStore', () => {
+			setDashboardVariablesStore({
+				dashboardId: 'dash-1',
+				variables: {
+					env: createVariable({
+						name: 'env',
+						id: 'env-id',
+						order: 0,
+						selectedValue: 'staging',
+					}),
+				},
+			});
+
+			render(<DashboardVariableSelection />);
+
+			// Clear spy calls that happened during setup/render
+			updateStoreSpy.mockClear();
+
+			act(() => {
+				mockVariableItemCallbacks.onValueUpdate?.(
+					'env',
+					'env-id',
+					'production',
+					false,
+				);
+			});
+
+			expect(updateStoreSpy).toHaveBeenCalledWith(
+				expect.objectContaining({
+					dashboardId: 'dash-1',
+					variables: expect.objectContaining({
+						env: expect.objectContaining({
+							selectedValue: 'production',
+							allSelected: false,
+						}),
+					}),
+				}),
+			);
+		});
+
+		it('calls enqueueDescendantsOfVariable synchronously without a timer', () => {
+			jest.useFakeTimers();
+
+			setDashboardVariablesStore({
+				dashboardId: 'dash-1',
+				variables: {
+					env: createVariable({ name: 'env', id: 'env-id', order: 0 }),
+				},
+			});
+
+			render(<DashboardVariableSelection />);
+
+			act(() => {
+				mockVariableItemCallbacks.onValueUpdate?.(
+					'env',
+					'env-id',
+					'production',
+					false,
+				);
+			});
+
+			// Must be called immediately — no timer advancement needed
+			expect(enqueueDescendantsOfVariable).toHaveBeenCalledWith('env');
+
+			jest.useRealTimers();
+		});
+
+		it('propagates allSelected and haveCustomValuesSelected to the store', () => {
+			setDashboardVariablesStore({
+				dashboardId: 'dash-1',
+				variables: {
+					env: createVariable({
+						name: 'env',
+						id: 'env-id',
+						order: 0,
+						multiSelect: true,
+						showALLOption: true,
+					}),
+				},
+			});
+
+			render(<DashboardVariableSelection />);
+			updateStoreSpy.mockClear();
+
+			act(() => {
+				mockVariableItemCallbacks.onValueUpdate?.(
+					'env',
+					'env-id',
+					['production', 'staging'],
+					true,
+					false,
+				);
+			});
+
+			expect(updateStoreSpy).toHaveBeenCalledWith(
+				expect.objectContaining({
+					variables: expect.objectContaining({
+						env: expect.objectContaining({
+							selectedValue: ['production', 'staging'],
+							allSelected: true,
+							haveCustomValuesSelected: false,
+						}),
+					}),
+				}),
+			);
+		});
+	});
 });

frontend/src/container/DashboardContainer/DashboardVariablesSelection/__test__/QueryVariableInput.test.tsx

@@ -0,0 +1,275 @@
+/* eslint-disable sonarjs/no-duplicate-string */
+import { QueryClient, QueryClientProvider } from 'react-query';
+import { act, render, waitFor } from '@testing-library/react';
+import dashboardVariablesQuery from 'api/dashboard/variables/dashboardVariablesQuery';
+import { variableFetchStore } from 'providers/Dashboard/store/variableFetchStore';
+import { IDashboardVariable } from 'types/api/dashboard/getAll';
+
+import QueryVariableInput from '../QueryVariableInput';
+
+jest.mock('api/dashboard/variables/dashboardVariablesQuery');
+
+jest.mock('react-redux', () => ({
+	...jest.requireActual('react-redux'),
+	useSelector: jest.fn().mockReturnValue({ minTime: 1000, maxTime: 2000 }),
+}));
+
+function createTestQueryClient(): QueryClient {
+	return new QueryClient({
+		defaultOptions: {
+			queries: { retry: false, refetchOnWindowFocus: false },
+		},
+	});
+}
+
+function Wrapper({
+	children,
+	queryClient,
+}: {
+	children: React.ReactNode;
+	queryClient: QueryClient;
+}): JSX.Element {
+	return (
+		<QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+	);
+}
+
+function createVariable(
+	overrides: Partial<IDashboardVariable> = {},
+): IDashboardVariable {
+	return {
+		id: 'env-id',
+		name: 'env',
+		description: '',
+		type: 'QUERY',
+		sort: 'DISABLED',
+		showALLOption: false,
+		multiSelect: false,
+		order: 0,
+		queryValue: 'SELECT env FROM table',
+		...overrides,
+	};
+}
+
+/** Put the named variable into 'loading' state so useQuery fires on mount */
+function setVariableLoading(name: string): void {
+	variableFetchStore.update((draft) => {
+		draft.states[name] = 'loading';
+		draft.cycleIds[name] = (draft.cycleIds[name] || 0) + 1;
+	});
+}
+
+function resetFetchStore(): void {
+	variableFetchStore.set(() => ({
+		states: {},
+		lastUpdated: {},
+		cycleIds: {},
+	}));
+}
+
+describe('QueryVariableInput - getOptions logic', () => {
+	const mockOnValueUpdate = jest.fn();
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+		resetFetchStore();
+	});
+
+	afterEach(() => {
+		resetFetchStore();
+	});
+
+	it('applies default value (first option) when selectedValue is empty on first load', async () => {
+		(dashboardVariablesQuery as jest.Mock).mockResolvedValue({
+			statusCode: 200,
+			payload: { variableValues: ['production', 'staging', 'dev'] },
+		});
+
+		const variable = createVariable({ selectedValue: undefined });
+		setVariableLoading('env');
+
+		const queryClient = createTestQueryClient();
+		render(
+			<Wrapper queryClient={queryClient}>
+				<QueryVariableInput
+					variableData={variable}
+					existingVariables={{ 'env-id': variable }}
+					onValueUpdate={mockOnValueUpdate}
+				/>
+			</Wrapper>,
+		);
+
+		await waitFor(() => {
+			expect(mockOnValueUpdate).toHaveBeenCalledWith(
+				'env',
+				'env-id',
+				'production', // first option by default
+				false,
+			);
+		});
+	});
+
+	it('keeps existing selectedValue when it is present in new options', async () => {
+		(dashboardVariablesQuery as jest.Mock).mockResolvedValue({
+			statusCode: 200,
+			payload: { variableValues: ['production', 'staging'] },
+		});
+
+		const variable = createVariable({ selectedValue: 'staging' });
+		setVariableLoading('env');
+
+		const queryClient = createTestQueryClient();
+		render(
+			<Wrapper queryClient={queryClient}>
+				<QueryVariableInput
+					variableData={variable}
+					existingVariables={{ 'env-id': variable }}
+					onValueUpdate={mockOnValueUpdate}
+				/>
+			</Wrapper>,
+		);
+
+		await waitFor(() => {
+			expect(mockOnValueUpdate).toHaveBeenCalledWith(
+				'env',
+				'env-id',
+				'staging',
+				false,
+			);
+		});
+	});
+
+	it('selects all new options when allSelected=true and value is missing from new options', async () => {
+		(dashboardVariablesQuery as jest.Mock).mockResolvedValue({
+			statusCode: 200,
+			payload: { variableValues: ['production', 'staging'] },
+		});
+
+		const variable = createVariable({
+			selectedValue: ['old-env'],
+			allSelected: true,
+			multiSelect: true,
+			showALLOption: true,
+		});
+		setVariableLoading('env');
+
+		const queryClient = createTestQueryClient();
+		render(
+			<Wrapper queryClient={queryClient}>
+				<QueryVariableInput
+					variableData={variable}
+					existingVariables={{ 'env-id': variable }}
+					onValueUpdate={mockOnValueUpdate}
+				/>
+			</Wrapper>,
+		);
+
+		await waitFor(() => {
+			expect(mockOnValueUpdate).toHaveBeenCalledWith(
+				'env',
+				'env-id',
+				['production', 'staging'],
+				true,
+			);
+		});
+	});
+
+	it('does not call onValueUpdate a second time when options have not changed', async () => {
+		const mockQueryFn = jest.fn().mockResolvedValue({
+			statusCode: 200,
+			payload: { variableValues: ['production', 'staging'] },
+		});
+		(dashboardVariablesQuery as jest.Mock).mockImplementation(mockQueryFn);
+
+		const variable = createVariable({ selectedValue: 'production' });
+		setVariableLoading('env');
+
+		const queryClient = createTestQueryClient();
+		render(
+			<Wrapper queryClient={queryClient}>
+				<QueryVariableInput
+					variableData={variable}
+					existingVariables={{ 'env-id': variable }}
+					onValueUpdate={mockOnValueUpdate}
+				/>
+			</Wrapper>,
+		);
+
+		// Wait for first fetch and onValueUpdate call
+		await waitFor(() => {
+			expect(mockOnValueUpdate).toHaveBeenCalledTimes(1);
+		});
+
+		mockOnValueUpdate.mockClear();
+
+		// Trigger a second fetch cycle with the same API response
+		act(() => {
+			variableFetchStore.update((draft) => {
+				draft.states['env'] = 'revalidating';
+				draft.cycleIds['env'] = (draft.cycleIds['env'] || 0) + 1;
+			});
+		});
+
+		// Wait for second query to fire
+		await waitFor(() => {
+			expect(mockQueryFn).toHaveBeenCalledTimes(2);
+		});
+
+		// Options are unchanged, so onValueUpdate must not fire again
+		expect(mockOnValueUpdate).not.toHaveBeenCalled();
+	});
+
+	it('does not call onValueUpdate when API returns a non-array response', async () => {
+		(dashboardVariablesQuery as jest.Mock).mockResolvedValue({
+			statusCode: 200,
+			payload: { variableValues: null },
+		});
+
+		const variable = createVariable({ selectedValue: 'production' });
+		setVariableLoading('env');
+
+		const queryClient = createTestQueryClient();
+		render(
+			<Wrapper queryClient={queryClient}>
+				<QueryVariableInput
+					variableData={variable}
+					existingVariables={{ 'env-id': variable }}
+					onValueUpdate={mockOnValueUpdate}
+				/>
+			</Wrapper>,
+		);
+
+		await waitFor(() => {
+			expect(dashboardVariablesQuery).toHaveBeenCalled();
+		});
+
+		expect(mockOnValueUpdate).not.toHaveBeenCalled();
+	});
+
+	it('does not fire the query when variableData.name is empty', () => {
+		(dashboardVariablesQuery as jest.Mock).mockResolvedValue({
+			statusCode: 200,
+			payload: { variableValues: ['production'] },
+		});
+
+		// Variable with no name — useVariableFetchState will be called with ''
+		// and the query key will have an empty name, leaving it disabled
+		const variable = createVariable({ name: '' });
+		// Note: we do NOT put it in 'loading' state since name is empty
+		// (no variableFetchStore entry for '' means isVariableFetching=false)
+
+		const queryClient = createTestQueryClient();
+		render(
+			<Wrapper queryClient={queryClient}>
+				<QueryVariableInput
+					variableData={variable}
+					existingVariables={{ 'env-id': variable }}
+					onValueUpdate={mockOnValueUpdate}
+				/>
+			</Wrapper>,
+		);
+
+		expect(dashboardVariablesQuery).not.toHaveBeenCalled();
+		expect(mockOnValueUpdate).not.toHaveBeenCalled();
+	});
+});

frontend/src/container/DashboardContainer/DashboardVariablesSelection/useDashboardVariableSelectHelper.ts

@@ -46,6 +46,9 @@ interface UseDashboardVariableSelectHelperReturn {
 	applyDefaultIfNeeded: (
 		overrideOptions?: (string | number | boolean)[],
 	) => void;
+	getDefaultValue: (
+		overrideOptions?: (string | number | boolean)[],
+	) => string | string[] | undefined;
 }
 
 // eslint-disable-next-line sonarjs/cognitive-complexity
@@ -248,5 +251,6 @@ export function useDashboardVariableSelectHelper({
 		defaultValue,
 		onChange,
 		applyDefaultIfNeeded,
+		getDefaultValue,
 	};
 }

frontend/src/container/InfraMonitoringHosts/HostsListTable.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo } from 'react';
+import React, { useCallback, useMemo } from 'react';
 import { LoadingOutlined } from '@ant-design/icons';
 import {
 	Skeleton,
@@ -14,12 +14,93 @@ import { InfraMonitoringEvents } from 'constants/events';
 
 import HostsEmptyOrIncorrectMetrics from './HostsEmptyOrIncorrectMetrics';
 import {
+	EmptyOrLoadingViewProps,
 	formatDataForTable,
 	getHostsListColumns,
 	HostRowData,
 	HostsListTableProps,
 } from './utils';
 
+function EmptyOrLoadingView(
+	viewState: EmptyOrLoadingViewProps,
+): React.ReactNode {
+	const { isError, errorMessage } = viewState;
+	if (isError) {
+		return <Typography>{errorMessage || 'Something went wrong'}</Typography>;
+	}
+	if (viewState.showHostsEmptyState) {
+		return (
+			<HostsEmptyOrIncorrectMetrics
+				noData={!viewState.sentAnyHostMetricsData}
+				incorrectData={viewState.isSendingIncorrectK8SAgentMetrics}
+			/>
+		);
+	}
+	if (viewState.showEndTimeBeforeRetentionMessage) {
+		return (
+			<div className="hosts-empty-state-container">
+				<div className="hosts-empty-state-container-content">
+					<img className="eyes-emoji" src="/Images/eyesEmoji.svg" alt="eyes emoji" />
+					<div className="no-hosts-message">
+						<Typography.Title level={5} className="no-hosts-message-title">
+							Queried time range is before earliest host metrics
+						</Typography.Title>
+						<Typography.Text className="no-hosts-message-text">
+							Your requested end time is earlier than the earliest detected time of
+							host metrics data, please adjust your end time.
+						</Typography.Text>
+					</div>
+				</div>
+			</div>
+		);
+	}
+	if (viewState.showNoRecordsInSelectedTimeRangeMessage) {
+		return (
+			<div className="no-filtered-hosts-message-container">
+				<div className="no-filtered-hosts-message-content">
+					<img
+						src="/Icons/emptyState.svg"
+						alt="thinking-emoji"
+						className="empty-state-svg"
+					/>
+					<Typography.Title level={5} className="no-filtered-hosts-title">
+						No host metrics found
+					</Typography.Title>
+					<Typography.Text className="no-filtered-hosts-message">
+						No host metrics in the selected time range and filters. Please adjust your
+						time range or filters.
+					</Typography.Text>
+				</div>
+			</div>
+		);
+	}
+	if (viewState.showTableLoadingState) {
+		return (
+			<div className="hosts-list-loading-state">
+				<Skeleton.Input
+					className="hosts-list-loading-state-item"
+					size="large"
+					block
+					active
+				/>
+				<Skeleton.Input
+					className="hosts-list-loading-state-item"
+					size="large"
+					block
+					active
+				/>
+				<Skeleton.Input
+					className="hosts-list-loading-state-item"
+					size="large"
+					block
+					active
+				/>
+			</div>
+		);
+	}
+	return null;
+}
+
 export default function HostsListTable({
 	isLoading,
 	isFetching,
@@ -46,6 +127,11 @@ export default function HostsListTable({
 		[data],
 	);
 
+	const endTimeBeforeRetention = useMemo(
+		() => data?.payload?.data?.endTimeBeforeRetention || false,
+		[data],
+	);
+
 	const formattedHostMetricsData = useMemo(
 		() => formatDataForTable(hostMetricsData),
 		[hostMetricsData],
@@ -84,12 +170,6 @@ export default function HostsListTable({
 		});
 	};
 
-	const showNoFilteredHostsMessage =
-		!isFetching &&
-		!isLoading &&
-		formattedHostMetricsData.length === 0 &&
-		filters.items.length > 0;
-
 	const showHostsEmptyState =
 		!isFetching &&
 		!isLoading &&
@@ -97,63 +177,36 @@ export default function HostsListTable({
 		(!sentAnyHostMetricsData || isSendingIncorrectK8SAgentMetrics) &&
 		!filters.items.length;
 
+	const showEndTimeBeforeRetentionMessage =
+		!isFetching &&
+		!isLoading &&
+		formattedHostMetricsData.length === 0 &&
+		endTimeBeforeRetention &&
+		!filters.items.length;
+
+	const showNoRecordsInSelectedTimeRangeMessage =
+		!isFetching &&
+		!isLoading &&
+		formattedHostMetricsData.length === 0 &&
+		!showEndTimeBeforeRetentionMessage &&
+		!showHostsEmptyState;
+
 	const showTableLoadingState =
 		(isLoading || isFetching) && formattedHostMetricsData.length === 0;
 
-	if (isError) {
-		return <Typography>{data?.error || 'Something went wrong'}</Typography>;
-	}
+	const emptyOrLoadingView = EmptyOrLoadingView({
+		isError,
+		errorMessage: data?.error ?? '',
+		showHostsEmptyState,
+		sentAnyHostMetricsData,
+		isSendingIncorrectK8SAgentMetrics,
+		showEndTimeBeforeRetentionMessage,
+		showNoRecordsInSelectedTimeRangeMessage,
+		showTableLoadingState,
+	});
 
-	if (showHostsEmptyState) {
-		return (
-			<HostsEmptyOrIncorrectMetrics
-				noData={!sentAnyHostMetricsData}
-				incorrectData={isSendingIncorrectK8SAgentMetrics}
-			/>
-		);
-	}
-
-	if (showNoFilteredHostsMessage) {
-		return (
-			<div className="no-filtered-hosts-message-container">
-				<div className="no-filtered-hosts-message-content">
-					<img
-						src="/Icons/emptyState.svg"
-						alt="thinking-emoji"
-						className="empty-state-svg"
-					/>
-
-					<Typography.Text className="no-filtered-hosts-message">
-						This query had no results. Edit your query and try again!
-					</Typography.Text>
-				</div>
-			</div>
-		);
-	}
-
-	if (showTableLoadingState) {
-		return (
-			<div className="hosts-list-loading-state">
-				<Skeleton.Input
-					className="hosts-list-loading-state-item"
-					size="large"
-					block
-					active
-				/>
-				<Skeleton.Input
-					className="hosts-list-loading-state-item"
-					size="large"
-					block
-					active
-				/>
-				<Skeleton.Input
-					className="hosts-list-loading-state-item"
-					size="large"
-					block
-					active
-				/>
-			</div>
-		);
+	if (emptyOrLoadingView) {
+		return <>{emptyOrLoadingView}</>;
 	}
 
 	return (

frontend/src/container/InfraMonitoringHosts/__tests__/HostsListTable.test.tsx

@@ -1,12 +1,16 @@
 /* eslint-disable react/jsx-props-no-spreading */
 import { render, screen } from '@testing-library/react';
+import { HostData, HostListResponse } from 'api/infraMonitoring/getHostLists';
+import { ErrorResponse, SuccessResponse } from 'types/api';
+import { DataTypes } from 'types/api/queryBuilder/queryAutocompleteResponse';
 
 import HostsListTable from '../HostsListTable';
+import { HostsListTableProps } from '../utils';
 
 const EMPTY_STATE_CONTAINER_CLASS = '.hosts-empty-state-container';
 
-describe('HostsListTable', () => {
-	const mockHost = {
+const createMockHost = (): HostData =>
+	({
 		hostName: 'test-host-1',
 		active: true,
 		cpu: 0.75,
@@ -14,20 +18,46 @@ describe('HostsListTable', () => {
 		wait: 0.03,
 		load15: 1.5,
 		os: 'linux',
-	};
+		cpuTimeSeries: { labels: {}, labelsArray: [], values: [] },
+		memoryTimeSeries: { labels: {}, labelsArray: [], values: [] },
+		waitTimeSeries: { labels: {}, labelsArray: [], values: [] },
+		load15TimeSeries: { labels: {}, labelsArray: [], values: [] },
+	} as HostData);
 
-	const mockTableData = {
+const createMockTableData = (
+	overrides: Partial<HostListResponse['data']> = {},
+): SuccessResponse<HostListResponse> => {
+	const mockHost = createMockHost();
+	return {
+		statusCode: 200,
+		message: 'Success',
+		error: null,
 		payload: {
+			status: 'success',
 			data: {
-				hosts: [mockHost],
+				type: 'list',
+				records: [mockHost],
+				groups: null,
+				total: 1,
+				sentAnyHostMetricsData: true,
+				isSendingK8SAgentMetrics: false,
+				endTimeBeforeRetention: false,
+				...overrides,
 			},
 		},
 	};
+};
+
+describe('HostsListTable', () => {
+	const mockHost = createMockHost();
+	const mockTableData = createMockTableData();
+
 	const mockOnHostClick = jest.fn();
 	const mockSetCurrentPage = jest.fn();
 	const mockSetOrderBy = jest.fn();
 	const mockSetPageSize = jest.fn();
-	const mockProps = {
+
+	const mockProps: HostsListTableProps = {
 		isLoading: false,
 		isError: false,
 		isFetching: false,
@@ -43,7 +73,7 @@ describe('HostsListTable', () => {
 		pageSize: 10,
 		setOrderBy: mockSetOrderBy,
 		setPageSize: mockSetPageSize,
-	} as any;
+	};
 
 	it('renders loading state if isLoading is true and tableData is empty', () => {
 		const { container } = render(
@@ -51,7 +81,7 @@ describe('HostsListTable', () => {
 				{...mockProps}
 				isLoading
 				hostMetricsData={[]}
-				tableData={{ payload: { data: { hosts: [] } } }}
+				tableData={createMockTableData({ records: [] })}
 			/>,
 		);
 		expect(container.querySelector('.hosts-list-loading-state')).toBeTruthy();
@@ -63,7 +93,7 @@ describe('HostsListTable', () => {
 				{...mockProps}
 				isFetching
 				hostMetricsData={[]}
-				tableData={{ payload: { data: { hosts: [] } } }}
+				tableData={createMockTableData({ records: [] })}
 			/>,
 		);
 		expect(container.querySelector('.hosts-list-loading-state')).toBeTruthy();
@@ -74,19 +104,56 @@ describe('HostsListTable', () => {
 		expect(screen.getByText('Something went wrong')).toBeTruthy();
 	});
 
+	it('renders "Something went wrong" fallback when isError is true and error message is empty', () => {
+		const tableDataWithEmptyError: ErrorResponse = {
+			statusCode: 500,
+			payload: null,
+			error: '',
+			message: null,
+		};
+		render(
+			<HostsListTable
+				{...mockProps}
+				isError
+				hostMetricsData={[]}
+				tableData={tableDataWithEmptyError}
+			/>,
+		);
+		expect(screen.getByText('Something went wrong')).toBeInTheDocument();
+	});
+
+	it('renders custom error message when isError is true and error message is provided', () => {
+		const customErrorMessage = 'Failed to fetch host metrics';
+		const tableDataWithError: ErrorResponse = {
+			statusCode: 500,
+			payload: null,
+			error: customErrorMessage,
+			message: null,
+		};
+		render(
+			<HostsListTable
+				{...mockProps}
+				isError
+				hostMetricsData={[]}
+				tableData={tableDataWithError}
+			/>,
+		);
+		expect(screen.getByText(customErrorMessage)).toBeInTheDocument();
+	});
+
 	it('renders empty state if no hosts are found', () => {
 		const { container } = render(
 			<HostsListTable
 				{...mockProps}
 				hostMetricsData={[]}
-				tableData={{
-					payload: {
-						data: { hosts: [] },
-					},
-				}}
+				tableData={createMockTableData({
+					records: [],
+				})}
 			/>,
 		);
-		expect(container.querySelector(EMPTY_STATE_CONTAINER_CLASS)).toBeTruthy();
+		expect(
+			container.querySelector('.no-filtered-hosts-message-container'),
+		).toBeTruthy();
 	});
 
 	it('renders empty state if sentAnyHostMetricsData is false', () => {
@@ -94,58 +161,114 @@ describe('HostsListTable', () => {
 			<HostsListTable
 				{...mockProps}
 				hostMetricsData={[]}
-				tableData={{
-					...mockTableData,
-					payload: {
-						...mockTableData.payload,
-						data: {
-							...mockTableData.payload.data,
-							sentAnyHostMetricsData: false,
-							hosts: [],
-						},
-					},
-				}}
+				tableData={createMockTableData({
+					sentAnyHostMetricsData: false,
+					records: [],
+				})}
 			/>,
 		);
 		expect(container.querySelector(EMPTY_STATE_CONTAINER_CLASS)).toBeTruthy();
 	});
 
-	it('renders empty state if isSendingIncorrectK8SAgentMetrics is true', () => {
+	it('renders empty state if isSendingK8SAgentMetrics is true', () => {
 		const { container } = render(
 			<HostsListTable
 				{...mockProps}
 				hostMetricsData={[]}
-				tableData={{
-					...mockTableData,
-					payload: {
-						...mockTableData.payload,
-						data: {
-							...mockTableData.payload.data,
-							isSendingIncorrectK8SAgentMetrics: true,
-							hosts: [],
-						},
-					},
-				}}
+				tableData={createMockTableData({
+					isSendingK8SAgentMetrics: true,
+					records: [],
+				})}
 			/>,
 		);
 		expect(container.querySelector(EMPTY_STATE_CONTAINER_CLASS)).toBeTruthy();
 	});
 
+	it('renders end time before retention message when endTimeBeforeRetention is true', () => {
+		const { container } = render(
+			<HostsListTable
+				{...mockProps}
+				hostMetricsData={[]}
+				tableData={createMockTableData({
+					sentAnyHostMetricsData: true,
+					isSendingK8SAgentMetrics: false,
+					endTimeBeforeRetention: true,
+					records: [],
+				})}
+			/>,
+		);
+		expect(container.querySelector(EMPTY_STATE_CONTAINER_CLASS)).toBeTruthy();
+		expect(
+			screen.getByText(
+				/Your requested end time is earlier than the earliest detected time of host metrics data, please adjust your end time\./,
+			),
+		).toBeInTheDocument();
+	});
+
+	it('renders no records message when noRecordsInSelectedTimeRangeAndFilters is true', () => {
+		const { container } = render(
+			<HostsListTable
+				{...mockProps}
+				hostMetricsData={[]}
+				tableData={createMockTableData({
+					sentAnyHostMetricsData: true,
+					isSendingK8SAgentMetrics: false,
+					records: [],
+				})}
+			/>,
+		);
+		expect(
+			container.querySelector('.no-filtered-hosts-message-container'),
+		).toBeTruthy();
+		expect(
+			screen.getByText(/No host metrics in the selected time range and filters/),
+		).toBeInTheDocument();
+	});
+
+	it('renders no filtered hosts message when filters are present and no hosts are found', () => {
+		const { container } = render(
+			<HostsListTable
+				{...mockProps}
+				hostMetricsData={[]}
+				filters={{
+					items: [
+						{
+							id: 'host_name',
+							key: {
+								key: 'host_name',
+								dataType: DataTypes.String,
+								type: 'tag',
+								isIndexed: true,
+							},
+							op: '=',
+							value: 'unknown',
+						},
+					],
+					op: 'AND',
+				}}
+				tableData={createMockTableData({
+					sentAnyHostMetricsData: true,
+					isSendingK8SAgentMetrics: false,
+					records: [],
+				})}
+			/>,
+		);
+		expect(container.querySelector('.no-filtered-hosts-message')).toBeTruthy();
+		expect(
+			screen.getByText(
+				/No host metrics in the selected time range and filters\. Please adjust your time range or filters\./,
+			),
+		).toBeInTheDocument();
+	});
+
 	it('renders table data', () => {
 		const { container } = render(
 			<HostsListTable
 				{...mockProps}
-				tableData={{
-					...mockTableData,
-					payload: {
-						...mockTableData.payload,
-						data: {
-							...mockTableData.payload.data,
-							isSendingIncorrectK8SAgentMetrics: false,
-							sentAnyHostMetricsData: true,
-						},
-					},
-				}}
+				tableData={createMockTableData({
+					isSendingK8SAgentMetrics: false,
+					sentAnyHostMetricsData: true,
+				})}
 			/>,
 		);
 		expect(container.querySelector('.hosts-list-table')).toBeTruthy();

frontend/src/container/InfraMonitoringHosts/utils.tsx

@@ -107,6 +107,17 @@ export interface HostsListTableProps {
 	setPageSize: (pageSize: number) => void;
 }
 
+export interface EmptyOrLoadingViewProps {
+	isError: boolean;
+	errorMessage: string;
+	showHostsEmptyState: boolean;
+	sentAnyHostMetricsData: boolean;
+	isSendingIncorrectK8SAgentMetrics: boolean;
+	showEndTimeBeforeRetentionMessage: boolean;
+	showNoRecordsInSelectedTimeRangeMessage: boolean;
+	showTableLoadingState: boolean;
+}
+
 export const getHostListsQuery = (): HostListPayload => ({
 	filters: {
 		items: [],

frontend/src/container/LogDetailedView/BodyTitleRenderer.tsx

@@ -121,9 +121,23 @@ function BodyTitleRenderer({
 	return (
 		<TitleWrapper onClick={handleNodeClick}>
 			{typeof value !== 'object' && (
-				<Dropdown menu={menu} trigger={['click']}>
-					<SettingOutlined style={{ marginRight: 8 }} className="hover-reveal" />
-				</Dropdown>
+				<span
+					onClick={(e): void => {
+						e.stopPropagation();
+						e.preventDefault();
+					}}
+					onMouseDown={(e): void => e.preventDefault()}
+				>
+					<Dropdown
+						menu={menu}
+						trigger={['click']}
+						dropdownRender={(originNode): React.ReactNode => (
+							<div data-log-detail-ignore="true">{originNode}</div>
+						)}
+					>
+						<SettingOutlined style={{ marginRight: 8 }} className="hover-reveal" />
+					</Dropdown>
+				</span>
 			)}
 			{title.toString()}{' '}
 			{!parentIsArray && typeof value !== 'object' && (

frontend/src/container/LogDetailedView/FieldRenderer.tsx

@@ -13,7 +13,7 @@ function FieldRenderer({ field }: FieldRendererProps): JSX.Element {
 		<span className="field-renderer-container">
 			{dataType && newField && logType ? (
 				<>
-					<Tooltip placement="left" title={newField}>
+					<Tooltip placement="left" title={newField} mouseLeaveDelay={0}>
 						<Typography.Text ellipsis className="label">
 							{newField}{' '}
 						</Typography.Text>

frontend/src/container/LogDetailedView/Overview.tsx

@@ -46,7 +46,7 @@ function Overview({
 	handleChangeSelectedView,
 }: Props): JSX.Element {
 	const [isWrapWord, setIsWrapWord] = useState<boolean>(true);
-	const [isSearchVisible, setIsSearchVisible] = useState<boolean>(false);
+	const [isSearchVisible, setIsSearchVisible] = useState<boolean>(true);
 	const [isAttributesExpanded, setIsAttributesExpanded] = useState<boolean>(
 		true,
 	);

frontend/src/container/LogDetailedView/TableView.tsx

@@ -245,7 +245,7 @@ function TableView({
 							<Typography.Text>{renderedField}</Typography.Text>
 
 							{traceId && (
-								<Tooltip title="Inspect in Trace">
+								<Tooltip title="Inspect in Trace" mouseLeaveDelay={0}>
 									<Button
 										className="periscope-btn"
 										onClick={(

frontend/src/container/LogsExplorerChart/__tests__/frequencyGraphColor.test.ts

@@ -0,0 +1,34 @@
+import { Color } from '@signozhq/design-tokens';
+
+import { getColorsForSeverityLabels, isRedLike } from '../utils';
+
+describe('getColorsForSeverityLabels', () => {
+	it('should return slate for blank labels', () => {
+		expect(getColorsForSeverityLabels('', 0)).toBe(Color.BG_SLATE_300);
+		expect(getColorsForSeverityLabels('   ', 0)).toBe(Color.BG_SLATE_300);
+	});
+
+	it('should return correct colors for known severity variants', () => {
+		expect(getColorsForSeverityLabels('INFO', 0)).toBe(Color.BG_ROBIN_600);
+		expect(getColorsForSeverityLabels('ERROR', 0)).toBe(Color.BG_CHERRY_600);
+		expect(getColorsForSeverityLabels('WARN', 0)).toBe(Color.BG_AMBER_600);
+		expect(getColorsForSeverityLabels('DEBUG', 0)).toBe(Color.BG_AQUA_600);
+		expect(getColorsForSeverityLabels('TRACE', 0)).toBe(Color.BG_FOREST_600);
+		expect(getColorsForSeverityLabels('FATAL', 0)).toBe(Color.BG_SAKURA_600);
+	});
+
+	it('should return non-red colors for unrecognized labels at any index', () => {
+		for (let i = 0; i < 30; i++) {
+			const color = getColorsForSeverityLabels('4', i);
+			expect(isRedLike(color)).toBe(false);
+		}
+	});
+
+	it('should return non-red colors for numeric severity text', () => {
+		const numericLabels = ['1', '2', '4', '9', '13', '17', '21'];
+		numericLabels.forEach((label) => {
+			const color = getColorsForSeverityLabels(label, 0);
+			expect(isRedLike(color)).toBe(false);
+		});
+	});
+});

frontend/src/container/LogsExplorerChart/utils.ts

@@ -1,7 +1,16 @@
 import { Color } from '@signozhq/design-tokens';
-import { themeColors } from 'constants/theme';
 import { colors } from 'lib/getRandomColor';
 
+// Function to determine if a color is "red-like" based on its RGB values
+export function isRedLike(hex: string): boolean {
+	const r = parseInt(hex.slice(1, 3), 16);
+	const g = parseInt(hex.slice(3, 5), 16);
+	const b = parseInt(hex.slice(5, 7), 16);
+	return r > 180 && r > g * 1.4 && r > b * 1.4;
+}
+
+const SAFE_FALLBACK_COLORS = colors.filter((c) => !isRedLike(c));
+
 const SEVERITY_VARIANT_COLORS: Record<string, string> = {
 	TRACE: Color.BG_FOREST_600,
 	Trace: Color.BG_FOREST_500,
@@ -67,8 +76,13 @@ export function getColorsForSeverityLabels(
 	label: string,
 	index: number,
 ): string {
-	// Check if we have a direct mapping for this severity variant
-	const variantColor = SEVERITY_VARIANT_COLORS[label.trim()];
+	const trimmed = label.trim();
+
+	if (!trimmed) {
+		return Color.BG_SLATE_300;
+	}
+
+	const variantColor = SEVERITY_VARIANT_COLORS[trimmed];
 	if (variantColor) {
 		return variantColor;
 	}
@@ -103,5 +117,8 @@ export function getColorsForSeverityLabels(
 		return Color.BG_SAKURA_500;
 	}
 
-	return colors[index % colors.length] || themeColors.red;
+	return (
+		SAFE_FALLBACK_COLORS[index % SAFE_FALLBACK_COLORS.length] ||
+		Color.BG_SLATE_400
+	);
 }

frontend/src/container/LogsExplorerList/InfinityTableView/index.tsx

@@ -111,23 +111,19 @@ const InfinityTable = forwardRef<TableVirtuosoHandle, InfinityTableProps>(
 		);
 
 		const itemContent = useCallback(
-			(index: number, log: Record<string, unknown>): JSX.Element => {
-				return (
-					<div key={log.id as string}>
-						<TableRow
-							tableColumns={tableColumns}
-							index={index}
-							log={log}
-							logs={tableViewProps.logs}
-							hasActions
-							fontSize={tableViewProps.fontSize}
-							onShowLogDetails={onSetActiveLog}
-							isActiveLog={activeLog?.id === log.id}
-							onClearActiveLog={onCloseActiveLog}
-						/>
-					</div>
-				);
-			},
+			(index: number, log: Record<string, unknown>): JSX.Element => (
+				<TableRow
+					tableColumns={tableColumns}
+					index={index}
+					log={log}
+					logs={tableViewProps.logs}
+					hasActions
+					fontSize={tableViewProps.fontSize}
+					onShowLogDetails={onSetActiveLog}
+					isActiveLog={activeLog?.id === log.id}
+					onClearActiveLog={onCloseActiveLog}
+				/>
+			),
 			[
 				tableColumns,
 				onSetActiveLog,

frontend/src/container/MetricsExplorer/Explorer/Explorer.tsx

@@ -87,7 +87,7 @@ function Explorer(): JSX.Element {
 	const [yAxisUnit, setYAxisUnit] = useState<string | undefined>();
 
 	const unitsLength = useMemo(() => units.length, [units]);
-	const firstUnit = useMemo(() => units?.[0], [units]);
+	const firstUnit = useMemo(() => units[0], [units]);
 
 	useEffect(() => {
 		// Set the y axis unit to the first metric unit if
@@ -349,7 +349,7 @@ function Explorer(): JSX.Element {
 				isOneChartPerQuery={showOneChartPerQuery}
 				splitedQueries={splitedQueries}
 			/>
-			{isMetricDetailsOpen && (
+			{isMetricDetailsOpen && selectedMetricName && (
 				<MetricDetails
 					metricName={selectedMetricName}
 					isOpen={isMetricDetailsOpen}

frontend/src/container/MetricsExplorer/Explorer/RelatedMetricsCard.tsx

@@ -39,10 +39,7 @@ function RelatedMetricsCard({ metric }: RelatedMetricsCardProps): JSX.Element {
 					dataSource={DataSource.METRICS}
 				/>
 			)}
-			<DashboardsAndAlertsPopover
-				dashboards={metric.dashboards}
-				alerts={metric.alerts}
-			/>
+			<DashboardsAndAlertsPopover metricName={metric.name} />
 		</div>
 	);
 }

frontend/src/container/MetricsExplorer/Explorer/TimeSeries.tsx

@@ -1,8 +1,13 @@
 import { useMemo } from 'react';
-import { useQueries } from 'react-query';
+import { useQueries, useQueryClient } from 'react-query';
 import { useSelector } from 'react-redux';
 import { Color } from '@signozhq/design-tokens';
-import { Tooltip, Typography } from 'antd';
+import { toast } from '@signozhq/sonner';
+import { Button, Tooltip, Typography } from 'antd';
+import {
+	invalidateGetMetricMetadata,
+	useUpdateMetricMetadata,
+} from 'api/generated/services/metrics';
 import { isAxiosError } from 'axios';
 import classNames from 'classnames';
 import YAxisUnitSelector from 'components/YAxisUnitSelector';
@@ -23,7 +28,10 @@ import { DataSource } from 'types/common/queryBuilder';
 import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { TimeSeriesProps } from './types';
-import { splitQueryIntoOneChartPerQuery } from './utils';
+import {
+	buildUpdateMetricYAxisUnitPayload,
+	splitQueryIntoOneChartPerQuery,
+} from './utils';
 
 function TimeSeries({
 	showOneChartPerQuery,
@@ -35,6 +43,7 @@ function TimeSeries({
 	yAxisUnit,
 	setYAxisUnit,
 	showYAxisUnitSelector,
+	metrics,
 }: TimeSeriesProps): JSX.Element {
 	const { stagedQuery, currentQuery } = useQueryBuilder();
 
@@ -42,6 +51,7 @@ function TimeSeries({
 		AppState,
 		GlobalReducer
 	>((state) => state.globalTime);
+	const queryClient = useQueryClient();
 
 	const isValidToConvertToMs = useMemo(() => {
 		const isValid: boolean[] = [];
@@ -138,54 +148,51 @@ function TimeSeries({
 		setYAxisUnit(value);
 	};
 
-	// TODO: Enable once we have resolved all related metrics v2 api issues
 	// Show the save unit button if
 	// 1. There is only one metric
 	// 2. The metric has no saved unit
 	// 3. The user has selected a unit
-	// const showSaveUnitButton = useMemo(
-	// 	() =>
-	// 		metricUnits.length === 1 &&
-	// 		Boolean(metrics?.[0]) &&
-	// 		!metricUnits[0] &&
-	// 		yAxisUnit,
-	// 	[metricUnits, metrics, yAxisUnit],
-	// );
+	const showSaveUnitButton = useMemo(
+		() =>
+			metricUnits.length === 1 &&
+			Boolean(metrics[0]) &&
+			!metricUnits[0] &&
+			yAxisUnit,
+		[metricUnits, metrics, yAxisUnit],
+	);
 
-	// const {
-	// 	mutate: updateMetricMetadata,
-	// 	isLoading: isUpdatingMetricMetadata,
-	// } = useUpdateMetricMetadata();
+	const {
+		mutate: updateMetricMetadata,
+		isLoading: isUpdatingMetricMetadata,
+	} = useUpdateMetricMetadata();
 
-	// const handleSaveUnit = (): void => {
-	// 	updateMetricMetadata(
-	// 		{
-	// 			metricName: metricNames[0],
-	// 			payload: {
-	// 				unit: yAxisUnit,
-	// 				description: metrics[0]?.description ?? '',
-	// 				metricType: metrics[0]?.type as MetricType,
-	// 				temporality: metrics[0]?.temporality,
-	// 			},
-	// 		},
-	// 		{
-	// 			onSuccess: () => {
-	// 				notifications.success({
-	// 					message: 'Unit saved successfully',
-	// 				});
-	// 				queryClient.invalidateQueries([
-	// 					REACT_QUERY_KEY.GET_METRIC_DETAILS,
-	// 					metricNames[0],
-	// 				]);
-	// 			},
-	// 			onError: () => {
-	// 				notifications.error({
-	// 					message: 'Failed to save unit',
-	// 				});
-	// 			},
-	// 		},
-	// 	);
-	// };
+	const handleSaveUnit = (): void => {
+		if (metrics[0] && yAxisUnit) {
+			updateMetricMetadata(
+				{
+					pathParams: {
+						metricName: metricNames[0],
+					},
+					data: buildUpdateMetricYAxisUnitPayload(
+						metricNames[0],
+						metrics[0],
+						yAxisUnit,
+					),
+				},
+				{
+					onSuccess: () => {
+						toast.success('Unit saved successfully');
+						invalidateGetMetricMetadata(queryClient, {
+							metricName: metricNames[0],
+						});
+					},
+					onError: () => {
+						toast.error('Failed to save unit');
+					},
+				},
+			);
+		}
+	};
 
 	return (
 		<>
@@ -198,8 +205,7 @@ function TimeSeries({
 							source={YAxisSource.EXPLORER}
 							data-testid="y-axis-unit-selector"
 						/>
-						{/* TODO: Enable once we have resolved all related metrics v2 api issues */}
-						{/* {showSaveUnitButton && (
+						{showSaveUnitButton && (
 							<div className="save-unit-container">
 								<Typography.Text>
 									Save the selected unit for this metric?
@@ -213,7 +219,7 @@ function TimeSeries({
 									<Typography.Paragraph>Yes</Typography.Paragraph>
 								</Button>
 							</div>
-						)} */}
+						)}
 					</>
 				)}
 			</div>

frontend/src/container/MetricsExplorer/Explorer/__tests__/Explorer.test.tsx

@@ -3,8 +3,10 @@ import { Provider } from 'react-redux';
 import { MemoryRouter } from 'react-router-dom';
 import { useSearchParams } from 'react-router-dom-v5-compat';
 import { render, screen } from '@testing-library/react';
-import { Temporality } from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
+import {
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
 import { initialQueriesMap, PANEL_TYPES } from 'constants/queryBuilder';
 import * as useOptionsMenuHooks from 'container/OptionsMenu';
 import * as useUpdateDashboardHooks from 'hooks/dashboard/useUpdateDashboard';
@@ -14,12 +16,12 @@ import { ErrorModalProvider } from 'providers/ErrorModalProvider';
 import * as timezoneHooks from 'providers/Timezone';
 import store from 'store';
 import { LicenseEvent } from 'types/api/licensesV3/getActive';
-import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
 import { BaseAutocompleteData } from 'types/api/queryBuilder/queryAutocompleteResponse';
 import { DataSource, QueryBuilderContextType } from 'types/common/queryBuilder';
 
 import Explorer from '../Explorer';
 import * as useGetMetricsHooks from '../utils';
+import { MOCK_METRIC_METADATA } from './testUtils';
 
 const mockSetSearchParams = jest.fn();
 const queryClient = new QueryClient();
@@ -135,14 +137,6 @@ jest.spyOn(useQueryBuilderHooks, 'useQueryBuilder').mockReturnValue({
 
 const Y_AXIS_UNIT_SELECTOR_TEST_ID = 'y-axis-unit-selector';
 
-const mockMetric: MetricMetadata = {
-	type: MetricType.SUM,
-	description: 'metric1 description',
-	unit: 'metric1 unit',
-	temporality: Temporality.CUMULATIVE,
-	isMonotonic: true,
-};
-
 function renderExplorer(): void {
 	render(
 		<QueryClientProvider client={queryClient}>
@@ -190,7 +184,7 @@ describe('Explorer', () => {
 		jest.spyOn(useGetMetricsHooks, 'useGetMetrics').mockReturnValue({
 			isLoading: false,
 			isError: false,
-			metrics: [mockMetric, mockMetric],
+			metrics: [MOCK_METRIC_METADATA, MOCK_METRIC_METADATA],
 		});
 
 		renderExplorer();
@@ -207,7 +201,7 @@ describe('Explorer', () => {
 		jest.spyOn(useGetMetricsHooks, 'useGetMetrics').mockReturnValue({
 			isLoading: false,
 			isError: false,
-			metrics: [mockMetric, mockMetric],
+			metrics: [MOCK_METRIC_METADATA, MOCK_METRIC_METADATA],
 		});
 
 		renderExplorer();
@@ -220,7 +214,7 @@ describe('Explorer', () => {
 		jest.spyOn(useGetMetricsHooks, 'useGetMetrics').mockReturnValue({
 			isLoading: false,
 			isError: false,
-			metrics: [mockMetric],
+			metrics: [MOCK_METRIC_METADATA],
 		});
 
 		renderExplorer();
@@ -237,7 +231,7 @@ describe('Explorer', () => {
 		jest.spyOn(useGetMetricsHooks, 'useGetMetrics').mockReturnValue({
 			isLoading: false,
 			isError: false,
-			metrics: [mockMetric, mockMetric],
+			metrics: [MOCK_METRIC_METADATA, MOCK_METRIC_METADATA],
 		});
 
 		renderExplorer();
@@ -250,7 +244,7 @@ describe('Explorer', () => {
 		jest.spyOn(useGetMetricsHooks, 'useGetMetrics').mockReturnValue({
 			isLoading: false,
 			isError: false,
-			metrics: [mockMetric, mockMetric],
+			metrics: [MOCK_METRIC_METADATA, MOCK_METRIC_METADATA],
 		});
 
 		renderExplorer();
@@ -269,10 +263,10 @@ describe('Explorer', () => {
 			isError: false,
 			metrics: [
 				{
-					type: MetricType.SUM,
+					type: MetrictypesTypeDTO.sum,
 					description: 'metric1 description',
 					unit: '',
-					temporality: Temporality.CUMULATIVE,
+					temporality: MetrictypesTemporalityDTO.cumulative,
 					isMonotonic: true,
 				},
 			],
@@ -289,7 +283,7 @@ describe('Explorer', () => {
 		jest.spyOn(useGetMetricsHooks, 'useGetMetrics').mockReturnValue({
 			isLoading: false,
 			isError: false,
-			metrics: [mockMetric],
+			metrics: [MOCK_METRIC_METADATA],
 		});
 
 		renderExplorer();
@@ -324,7 +318,7 @@ describe('Explorer', () => {
 		jest.spyOn(useGetMetricsHooks, 'useGetMetrics').mockReturnValue({
 			isLoading: false,
 			isError: false,
-			metrics: [mockMetric, mockMetric],
+			metrics: [MOCK_METRIC_METADATA, MOCK_METRIC_METADATA],
 		});
 
 		renderExplorer();

frontend/src/container/MetricsExplorer/Explorer/__tests__/TimeSeries.test.tsx

@@ -1,29 +1,19 @@
-import { UseMutationResult } from 'react-query';
 import { render, RenderResult, screen, waitFor } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import { Temporality } from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
-import { UpdateMetricMetadataResponse } from 'api/metricsExplorer/updateMetricMetadata';
-import * as useUpdateMetricMetadataHooks from 'hooks/metricsExplorer/useUpdateMetricMetadata';
-import { UseUpdateMetricMetadataProps } from 'hooks/metricsExplorer/useUpdateMetricMetadata';
-import { ErrorResponse, SuccessResponse } from 'types/api';
-import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
+import * as metricsExplorerHooks from 'api/generated/services/metrics';
 
 import TimeSeries from '../TimeSeries';
 import { TimeSeriesProps } from '../types';
+import { MOCK_METRIC_METADATA } from './testUtils';
 
-type MockUpdateMetricMetadata = UseMutationResult<
-	SuccessResponse<UpdateMetricMetadataResponse> | ErrorResponse,
-	Error,
-	UseUpdateMetricMetadataProps
->;
 const mockUpdateMetricMetadata = jest.fn();
-jest
-	.spyOn(useUpdateMetricMetadataHooks, 'useUpdateMetricMetadata')
-	.mockReturnValue(({
-		mutate: mockUpdateMetricMetadata,
-		isLoading: false,
-	} as Partial<MockUpdateMetricMetadata>) as MockUpdateMetricMetadata);
+const updateMetricMetadataSpy = jest.spyOn(
+	metricsExplorerHooks,
+	'useUpdateMetricMetadata',
+);
+type UseUpdateMetricMetadataReturnType = ReturnType<
+	typeof metricsExplorerHooks.useUpdateMetricMetadata
+>;
 
 jest.mock('container/TimeSeriesView/TimeSeriesView', () => ({
 	__esModule: true,
@@ -60,14 +50,6 @@ jest.mock('react-redux', () => ({
 	}),
 }));
 
-const mockMetric: MetricMetadata = {
-	type: MetricType.SUM,
-	description: 'metric1 description',
-	unit: 'metric1 unit',
-	temporality: Temporality.CUMULATIVE,
-	isMonotonic: true,
-};
-
 const mockSetWarning = jest.fn();
 const mockSetIsMetricDetailsOpen = jest.fn();
 const mockSetYAxisUnit = jest.fn();
@@ -96,6 +78,13 @@ function renderTimeSeries(
 }
 
 describe('TimeSeries', () => {
+	beforeEach(() => {
+		updateMetricMetadataSpy.mockReturnValue(({
+			mutate: mockUpdateMetricMetadata,
+			isLoading: false,
+		} as Partial<UseUpdateMetricMetadataReturnType>) as UseUpdateMetricMetadataReturnType);
+	});
+
 	it('should render a warning icon when a metric has no unit among multiple metrics', () => {
 		const user = userEvent.setup();
 		const { container } = renderTimeSeries({
@@ -118,7 +107,7 @@ describe('TimeSeries', () => {
 		const { container } = renderTimeSeries({
 			metricUnits: ['', 'count'],
 			metricNames: ['metric1', 'metric2'],
-			metrics: [mockMetric, mockMetric],
+			metrics: [MOCK_METRIC_METADATA, MOCK_METRIC_METADATA],
 			yAxisUnit: 'seconds',
 		});
 
@@ -133,18 +122,17 @@ describe('TimeSeries', () => {
 		);
 	});
 
-	// TODO: Unskip this test once the save unit button is implemented
-	// Tracking at - https://github.com/SigNoz/engineering-pod/issues/3495
-	it.skip('shows Save unit button when metric had no unit but one is selected', () => {
+	it('shows Save unit button when metric had no unit but one is selected', async () => {
 		const { findByText, getByRole } = renderTimeSeries({
 			metricUnits: [undefined],
 			metricNames: ['metric1'],
-			metrics: [mockMetric],
+			metrics: [MOCK_METRIC_METADATA],
 			yAxisUnit: 'seconds',
+			showYAxisUnitSelector: true,
 		});
 
 		expect(
-			findByText('Save the selected unit for this metric?'),
+			await findByText('Save the selected unit for this metric?'),
 		).toBeInTheDocument();
 
 		const yesButton = getByRole('button', { name: 'Yes' });
@@ -152,24 +140,25 @@ describe('TimeSeries', () => {
 		expect(yesButton).toBeEnabled();
 	});
 
-	// TODO: Unskip this test once the save unit button is implemented
-	// Tracking at - https://github.com/SigNoz/engineering-pod/issues/3495
-	it.skip('clicking on save unit button shoould upated metric metadata', () => {
+	it('clicking on save unit button shoould upated metric metadata', async () => {
 		const user = userEvent.setup();
 		const { getByRole } = renderTimeSeries({
 			metricUnits: [''],
 			metricNames: ['metric1'],
-			metrics: [mockMetric],
+			metrics: [MOCK_METRIC_METADATA],
 			yAxisUnit: 'seconds',
+			showYAxisUnitSelector: true,
 		});
 
 		const yesButton = getByRole('button', { name: /Yes/i });
-		user.click(yesButton);
+		await user.click(yesButton);
 
 		expect(mockUpdateMetricMetadata).toHaveBeenCalledWith(
 			{
-				metricName: 'metric1',
-				payload: expect.objectContaining({ unit: 'seconds' }),
+				pathParams: {
+					metricName: 'metric1',
+				},
+				data: expect.objectContaining({ unit: 'seconds' }),
 			},
 			expect.objectContaining({
 				onSuccess: expect.any(Function),

frontend/src/container/MetricsExplorer/Explorer/__tests__/testUtils.ts

@@ -0,0 +1,13 @@
+import {
+	MetricsexplorertypesMetricMetadataDTO,
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
+
+export const MOCK_METRIC_METADATA: MetricsexplorertypesMetricMetadataDTO = {
+	type: MetrictypesTypeDTO.sum,
+	description: 'metric1 description',
+	unit: 'metric1 unit',
+	temporality: MetrictypesTemporalityDTO.cumulative,
+	isMonotonic: true,
+};

frontend/src/container/MetricsExplorer/Explorer/__tests__/utils.test.tsx

@@ -1,14 +1,8 @@
 import { UseQueryResult } from 'react-query';
 import { renderHook } from '@testing-library/react';
-import { Temporality } from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
+import { GetMetricMetadata200 } from 'api/generated/services/sigNoz.schemas';
 import { initialQueriesMap } from 'constants/queryBuilder';
 import * as useGetMultipleMetricsHook from 'hooks/metricsExplorer/useGetMultipleMetrics';
-import { SuccessResponseV2 } from 'types/api';
-import {
-	MetricMetadata,
-	MetricMetadataResponse,
-} from 'types/api/metricsExplorer/v2/getMetricMetadata';
 import { BaseAutocompleteData } from 'types/api/queryBuilder/queryAutocompleteResponse';
 import {
 	IBuilderFormula,
@@ -22,6 +16,7 @@ import {
 	splitQueryIntoOneChartPerQuery,
 	useGetMetrics,
 } from '../utils';
+import { MOCK_METRIC_METADATA } from './testUtils';
 
 const MOCK_QUERY_DATA_1: IBuilderQuery = {
 	...initialQueriesMap[DataSource.METRICS].builder.queryData[0],
@@ -91,32 +86,19 @@ describe('splitQueryIntoOneChartPerQuery', () => {
 	});
 });
 
-const MOCK_METRIC_METADATA: MetricMetadata = {
-	description: 'Metric 1 description',
-	unit: 'unit1',
-	type: MetricType.GAUGE,
-	temporality: Temporality.DELTA,
-	isMonotonic: true,
-};
-
 describe('useGetMetrics', () => {
 	beforeEach(() => {
 		jest
 			.spyOn(useGetMultipleMetricsHook, 'useGetMultipleMetrics')
 			.mockReturnValue([
-				({
+				{
 					isLoading: false,
 					isError: false,
 					data: {
-						httpStatusCode: 200,
-						data: {
-							status: 'success',
-							data: MOCK_METRIC_METADATA,
-						},
+						data: MOCK_METRIC_METADATA,
+						status: 'success',
 					},
-				} as Partial<
-					UseQueryResult<SuccessResponseV2<MetricMetadataResponse>, Error>
-				>) as UseQueryResult<SuccessResponseV2<MetricMetadataResponse>, Error>,
+				} as UseQueryResult<GetMetricMetadata200, Error>,
 			]);
 	});
 
@@ -133,12 +115,11 @@ describe('useGetMetrics', () => {
 		jest
 			.spyOn(useGetMultipleMetricsHook, 'useGetMultipleMetrics')
 			.mockReturnValue([
-				({
+				{
 					isLoading: true,
 					isError: false,
-				} as Partial<
-					UseQueryResult<SuccessResponseV2<MetricMetadataResponse>, Error>
-				>) as UseQueryResult<SuccessResponseV2<MetricMetadataResponse>, Error>,
+					data: undefined,
+				} as UseQueryResult<GetMetricMetadata200, Error>,
 			]);
 		const { result } = renderHook(() => useGetMetrics(['metric1']));
 		expect(result.current.metrics).toHaveLength(1);

frontend/src/container/MetricsExplorer/Explorer/types.ts

@@ -1,9 +1,9 @@
 import { Dispatch, SetStateAction } from 'react';
 import { UseQueryResult } from 'react-query';
+import { MetricsexplorertypesMetricMetadataDTO } from 'api/generated/services/sigNoz.schemas';
 import { RelatedMetric } from 'api/metricsExplorer/getRelatedMetrics';
 import { SuccessResponse, Warning } from 'types/api';
 import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
-import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
 
 export enum ExplorerTabs {
 	TIME_SERIES = 'time-series',
@@ -18,7 +18,7 @@ export interface TimeSeriesProps {
 	isMetricUnitsError: boolean;
 	metricUnits: (string | undefined)[];
 	metricNames: string[];
-	metrics: (MetricMetadata | undefined)[];
+	metrics: (MetricsexplorertypesMetricMetadataDTO | undefined)[];
 	handleOpenMetricDetails: (metricName: string) => void;
 	yAxisUnit: string | undefined;
 	setYAxisUnit: (unit: string) => void;

frontend/src/container/MetricsExplorer/Explorer/utils.tsx

@@ -1,9 +1,12 @@
+import { UpdateMetricMetadataMutationBody } from 'api/generated/services/metrics';
+import { MetricsexplorertypesMetricMetadataDTO } from 'api/generated/services/sigNoz.schemas';
 import { mapMetricUnitToUniversalUnit } from 'components/YAxisUnitSelector/utils';
 import { useGetMultipleMetrics } from 'hooks/metricsExplorer/useGetMultipleMetrics';
-import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
 import { Query } from 'types/api/queryBuilder/queryBuilderData';
 import { v4 as uuid } from 'uuid';
 
+import { determineIsMonotonic } from '../MetricDetails/utils';
+
 /**
  * Split a query with multiple queryData to multiple distinct queries, each with a single queryData.
  * @param query - The query to split
@@ -68,16 +71,14 @@ export function useGetMetrics(
 ): {
 	isLoading: boolean;
 	isError: boolean;
-	metrics: (MetricMetadata | undefined)[];
+	metrics: (MetricsexplorertypesMetricMetadataDTO | undefined)[];
 } {
 	const metricsData = useGetMultipleMetrics(metricNames, {
 		enabled: metricNames.length > 0 && isEnabled,
 	});
 	return {
 		isLoading: metricsData.some((metric) => metric.isLoading),
-		metrics: metricsData
-			.map((metric) => metric.data?.data)
-			.map((data) => data?.data),
+		metrics: metricsData.map((metric) => metric.data?.data),
 		isError: metricsData.some((metric) => metric.isError),
 	};
 }
@@ -89,9 +90,24 @@ export function useGetMetrics(
  * @returns The units of the metrics, can be undefined if the metric has no unit
  */
 export function getMetricUnits(
-	metrics: (MetricMetadata | undefined)[],
+	metrics: (MetricsexplorertypesMetricMetadataDTO | undefined)[],
 ): (string | undefined)[] {
 	return metrics
 		.map((metric) => metric?.unit)
 		.map((unit) => mapMetricUnitToUniversalUnit(unit) || undefined);
 }
+
+export function buildUpdateMetricYAxisUnitPayload(
+	metricName: string,
+	metric: MetricsexplorertypesMetricMetadataDTO,
+	yAxisUnit: string,
+): UpdateMetricMetadataMutationBody {
+	return {
+		metricName,
+		type: metric.type,
+		description: metric.description,
+		unit: yAxisUnit || '',
+		temporality: metric.temporality,
+		isMonotonic: determineIsMonotonic(metric?.type, metric?.temporality),
+	};
+}

frontend/src/container/MetricsExplorer/Inspect/utils.tsx

@@ -2,8 +2,8 @@
 import { useMemo, useState } from 'react';
 import { Card, Input, Select, Typography } from 'antd';
 import logEvent from 'api/common/logEvent';
+import { MetrictypesTypeDTO } from 'api/generated/services/sigNoz.schemas';
 import { InspectMetricsSeries } from 'api/metricsExplorer/getInspectMetricsDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
 import classNames from 'classnames';
 import { initialQueriesMap } from 'constants/queryBuilder';
 import { AggregatorFilter } from 'container/QueryBuilder/filters';
@@ -40,8 +40,10 @@ import {
  * returns true if the feature flag is enabled, false otherwise
  * Show the inspect button in  metrics explorer if the feature flag is enabled
  */
-export function isInspectEnabled(metricType: MetricType | undefined): boolean {
-	return metricType === MetricType.GAUGE;
+export function isInspectEnabled(
+	metricType: MetrictypesTypeDTO | undefined,
+): boolean {
+	return metricType === MetrictypesTypeDTO.gauge;
 }
 
 export function getAllTimestampsOfMetrics(

frontend/src/container/MetricsExplorer/MetricDetails/AllAttributes.tsx

@@ -1,8 +1,17 @@
 import { useCallback, useMemo, useState } from 'react';
 import { useCopyToClipboard } from 'react-use';
-import { Button, Collapse, Input, Menu, Popover, Typography } from 'antd';
+import {
+	Button,
+	Collapse,
+	Input,
+	Menu,
+	Popover,
+	Skeleton,
+	Typography,
+} from 'antd';
 import { ColumnsType } from 'antd/es/table';
 import logEvent from 'api/common/logEvent';
+import { useGetMetricAttributes } from 'api/generated/services/metrics';
 import { ResizeTable } from 'components/ResizeTable';
 import { DataType } from 'container/LogDetailedView/TableView';
 import { useNotifications } from 'hooks/useNotifications';
@@ -12,9 +21,33 @@ import { PANEL_TYPES } from '../../../constants/queryBuilder';
 import ROUTES from '../../../constants/routes';
 import { useHandleExplorerTabChange } from '../../../hooks/useHandleExplorerTabChange';
 import { MetricsExplorerEventKeys, MetricsExplorerEvents } from '../events';
-import { AllAttributesProps, AllAttributesValueProps } from './types';
+import MetricDetailsErrorState from './MetricDetailsErrorState';
+import {
+	AllAttributesEmptyTextProps,
+	AllAttributesProps,
+	AllAttributesValueProps,
+} from './types';
 import { getMetricDetailsQuery } from './utils';
 
+const ALL_ATTRIBUTES_KEY = 'all-attributes';
+
+function AllAttributesEmptyText({
+	isErrorAttributes,
+	refetchAttributes,
+}: AllAttributesEmptyTextProps): JSX.Element {
+	if (isErrorAttributes) {
+		return (
+			<div className="all-attributes-error-state">
+				<MetricDetailsErrorState
+					refetch={refetchAttributes}
+					errorMessage="Something went wrong while fetching attributes"
+				/>
+			</div>
+		);
+	}
+	return <Typography.Text>No attributes found</Typography.Text>;
+}
+
 export function AllAttributesValue({
 	filterKey,
 	filterValue,
@@ -110,13 +143,23 @@ export function AllAttributesValue({
 
 function AllAttributes({
 	metricName,
-	attributes,
 	metricType,
 }: AllAttributesProps): JSX.Element {
 	const [searchString, setSearchString] = useState('');
-	const [activeKey, setActiveKey] = useState<string | string[]>(
-		'all-attributes',
-	);
+	const [activeKey, setActiveKey] = useState<string[]>([ALL_ATTRIBUTES_KEY]);
+
+	const {
+		data: attributesData,
+		isLoading: isLoadingAttributes,
+		isError: isErrorAttributes,
+		refetch: refetchAttributes,
+	} = useGetMetricAttributes({
+		metricName,
+	});
+
+	const attributes = useMemo(() => attributesData?.data.attributes ?? [], [
+		attributesData,
+	]);
 
 	const { handleExplorerTabChange } = useHandleExplorerTabChange();
 
@@ -178,7 +221,7 @@ function AllAttributes({
 			attributes.filter(
 				(attribute) =>
 					attribute.key.toLowerCase().includes(searchString.toLowerCase()) ||
-					attribute.value.some((value) =>
+					attribute.values?.some((value) =>
 						value.toLowerCase().includes(searchString.toLowerCase()),
 					),
 			),
@@ -195,7 +238,7 @@ function AllAttributes({
 						},
 						value: {
 							key: attribute.key,
-							value: attribute.value,
+							value: attribute.values,
 						},
 				  }))
 				: [],
@@ -270,6 +313,7 @@ function AllAttributes({
 							onClick={(e): void => {
 								e.stopPropagation();
 							}}
+							disabled={isLoadingAttributes || isErrorAttributes}
 						/>
 					</div>
 				),
@@ -277,25 +321,49 @@ function AllAttributes({
 				children: (
 					<ResizeTable
 						columns={columns}
+						loading={isLoadingAttributes}
 						tableLayout="fixed"
 						dataSource={tableData}
 						pagination={false}
 						showHeader={false}
 						className="metrics-accordion-content all-attributes-content"
 						scroll={{ y: 600 }}
+						locale={{
+							emptyText: (
+								<AllAttributesEmptyText
+									isErrorAttributes={isErrorAttributes}
+									refetchAttributes={refetchAttributes}
+								/>
+							),
+						}}
 					/>
 				),
 			},
 		],
-		[columns, tableData, searchString],
+		[
+			searchString,
+			isLoadingAttributes,
+			isErrorAttributes,
+			columns,
+			tableData,
+			refetchAttributes,
+		],
 	);
 
+	if (isLoadingAttributes) {
+		return (
+			<div className="all-attributes-skeleton-container">
+				<Skeleton active paragraph={{ rows: 8 }} />
+			</div>
+		);
+	}
+
 	return (
 		<Collapse
 			bordered
-			className="metrics-accordion metrics-metadata-accordion"
+			className="metrics-accordion"
 			activeKey={activeKey}
-			onChange={(keys): void => setActiveKey(keys)}
+			onChange={(keys): void => setActiveKey(keys as string[])}
 			items={items}
 		/>
 	);

frontend/src/container/MetricsExplorer/MetricDetails/DashboardsAndAlertsPopover.tsx

@@ -2,36 +2,84 @@ import { useMemo } from 'react';
 import { generatePath } from 'react-router-dom';
 import { Color } from '@signozhq/design-tokens';
 import { Dropdown, Typography } from 'antd';
+import { Skeleton } from 'antd/lib';
+import {
+	useGetMetricAlerts,
+	useGetMetricDashboards,
+} from 'api/generated/services/metrics';
 import { QueryParams } from 'constants/query';
 import ROUTES from 'constants/routes';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQuery from 'hooks/useUrlQuery';
 import history from 'lib/history';
 import { Bell, Grid } from 'lucide-react';
+import { pluralize } from 'utils/pluralize';
 
 import { DashboardsAndAlertsPopoverProps } from './types';
 
 function DashboardsAndAlertsPopover({
-	alerts,
-	dashboards,
+	metricName,
 }: DashboardsAndAlertsPopoverProps): JSX.Element | null {
 	const { safeNavigate } = useSafeNavigate();
 	const params = useUrlQuery();
 
+	const {
+		data: alertsData,
+		isLoading: isLoadingAlerts,
+		isError: isErrorAlerts,
+	} = useGetMetricAlerts(
+		{
+			metricName,
+		},
+		{
+			query: {
+				enabled: !!metricName,
+			},
+		},
+	);
+
+	const {
+		data: dashboardsData,
+		isLoading: isLoadingDashboards,
+		isError: isErrorDashboards,
+	} = useGetMetricDashboards(
+		{
+			metricName,
+		},
+		{
+			query: {
+				enabled: !!metricName,
+			},
+		},
+	);
+
+	const alerts = useMemo(() => {
+		return alertsData?.data.alerts ?? [];
+	}, [alertsData]);
+
+	const dashboards = useMemo(() => {
+		const currentDashboards = dashboardsData?.data.dashboards ?? [];
+		// Remove duplicate dashboards
+		return currentDashboards.filter(
+			(dashboard, index, self) =>
+				index === self.findIndex((t) => t.dashboardId === dashboard.dashboardId),
+		);
+	}, [dashboardsData]);
+
 	const alertsPopoverContent = useMemo(() => {
 		if (alerts && alerts.length > 0) {
 			return alerts.map((alert) => ({
-				key: alert.alert_id,
+				key: alert.alertId,
 				label: (
 					<Typography.Link
-						key={alert.alert_id}
+						key={alert.alertId}
 						onClick={(): void => {
-							params.set(QueryParams.ruleId, alert.alert_id);
+							params.set(QueryParams.ruleId, alert.alertId);
 							history.push(`${ROUTES.ALERT_OVERVIEW}?${params.toString()}`);
 						}}
 						className="dashboards-popover-content-item"
 					>
-						{alert.alert_name || alert.alert_id}
+						{alert.alertName || alert.alertId}
 					</Typography.Link>
 				),
 			}));
@@ -39,41 +87,44 @@ function DashboardsAndAlertsPopover({
 		return null;
 	}, [alerts, params]);
 
-	const uniqueDashboards = useMemo(
-		() =>
-			dashboards?.filter(
-				(item, index, self) =>
-					index === self.findIndex((t) => t.dashboard_id === item.dashboard_id),
-			),
-		[dashboards],
-	);
-
 	const dashboardsPopoverContent = useMemo(() => {
-		if (uniqueDashboards && uniqueDashboards.length > 0) {
-			return uniqueDashboards.map((dashboard) => ({
-				key: dashboard.dashboard_id,
+		if (dashboards && dashboards.length > 0) {
+			return dashboards.map((dashboard) => ({
+				key: dashboard.dashboardId,
 				label: (
 					<Typography.Link
-						key={dashboard.dashboard_id}
+						key={dashboard.dashboardId}
 						onClick={(): void => {
 							safeNavigate(
 								generatePath(ROUTES.DASHBOARD, {
-									dashboardId: dashboard.dashboard_id,
+									dashboardId: dashboard.dashboardId,
 								}),
 							);
 						}}
 						className="dashboards-popover-content-item"
 					>
-						{dashboard.dashboard_name || dashboard.dashboard_id}
+						{dashboard.dashboardName || dashboard.dashboardId}
 					</Typography.Link>
 				),
 			}));
 		}
 		return null;
-	}, [uniqueDashboards, safeNavigate]);
+	}, [dashboards, safeNavigate]);
 
-	if (!dashboardsPopoverContent && !alertsPopoverContent) {
-		return null;
+	if (isLoadingAlerts || isLoadingDashboards) {
+		return (
+			<div className="dashboards-and-alerts-popover-container">
+				<Skeleton title={false} paragraph={{ rows: 1 }} active />
+			</div>
+		);
+	}
+
+	// If there are no dashboards or alerts or both have errors, don't show the popover
+	const hidePopover =
+		(!dashboardsPopoverContent && !alertsPopoverContent) ||
+		(isErrorAlerts && isErrorDashboards);
+	if (hidePopover) {
+		return <div className="dashboards-and-alerts-popover-container" />;
 	}
 
 	return (
@@ -92,8 +143,7 @@ function DashboardsAndAlertsPopover({
 					>
 						<Grid size={12} color={Color.BG_SIENNA_500} />
 						<Typography.Text>
-							{uniqueDashboards?.length} dashboard
-							{uniqueDashboards?.length === 1 ? '' : 's'}
+							{pluralize(dashboards.length, 'dashboard')}
 						</Typography.Text>
 					</div>
 				</Dropdown>
@@ -112,7 +162,7 @@ function DashboardsAndAlertsPopover({
 					>
 						<Bell size={12} color={Color.BG_SAKURA_500} />
 						<Typography.Text>
-							{alerts?.length} alert {alerts?.length === 1 ? 'rule' : 'rules'}
+							{pluralize(alerts.length, 'alert rule')}
 						</Typography.Text>
 					</div>
 				</Dropdown>

frontend/src/container/MetricsExplorer/MetricDetails/Highlights.tsx

@@ -0,0 +1,123 @@
+import { Color } from '@signozhq/design-tokens';
+import { Button, Skeleton, Tooltip, Typography } from 'antd';
+import { useGetMetricHighlights } from 'api/generated/services/metrics';
+import { InfoIcon } from 'lucide-react';
+
+import { formatNumberIntoHumanReadableFormat } from '../Summary/utils';
+import { HighlightsProps } from './types';
+import {
+	formatNumberToCompactFormat,
+	formatTimestampToReadableDate,
+} from './utils';
+
+function Highlights({ metricName }: HighlightsProps): JSX.Element {
+	const {
+		data: metricHighlightsData,
+		isLoading: isLoadingMetricHighlights,
+		isError: isErrorMetricHighlights,
+		refetch: refetchMetricHighlights,
+	} = useGetMetricHighlights(
+		{
+			metricName,
+		},
+		{
+			query: {
+				enabled: !!metricName,
+			},
+		},
+	);
+
+	const metricHighlights = metricHighlightsData?.data;
+
+	const timeSeriesActive = formatNumberToCompactFormat(
+		metricHighlights?.activeTimeSeries,
+	);
+	const timeSeriesTotal = formatNumberToCompactFormat(
+		metricHighlights?.totalTimeSeries,
+	);
+	const lastReceivedText = formatTimestampToReadableDate(
+		metricHighlights?.lastReceived,
+	);
+
+	if (isLoadingMetricHighlights) {
+		return (
+			<div
+				className="metric-details-content-grid"
+				data-testid="metric-highlights-loading-state"
+			>
+				<Skeleton title={false} paragraph={{ rows: 2 }} active />
+			</div>
+		);
+	}
+
+	if (isErrorMetricHighlights) {
+		return (
+			<div className="metric-details-content-grid">
+				<div
+					className="metric-highlights-error-state"
+					data-testid="metric-highlights-error-state"
+				>
+					<InfoIcon size={16} color={Color.BG_CHERRY_500} />
+					<Typography.Text>
+						Something went wrong while fetching metric highlights
+					</Typography.Text>
+					<Button
+						type="link"
+						size="large"
+						onClick={(): void => {
+							refetchMetricHighlights();
+						}}
+					>
+						Retry ?
+					</Button>
+				</div>
+			</div>
+		);
+	}
+
+	return (
+		<div className="metric-details-content-grid">
+			<div className="labels-row">
+				<Typography.Text type="secondary" className="metric-details-grid-label">
+					SAMPLES
+				</Typography.Text>
+				<Typography.Text type="secondary" className="metric-details-grid-label">
+					TIME SERIES
+				</Typography.Text>
+				<Typography.Text type="secondary" className="metric-details-grid-label">
+					LAST RECEIVED
+				</Typography.Text>
+			</div>
+			<div className="values-row">
+				<Typography.Text
+					className="metric-details-grid-value"
+					data-testid="metric-highlights-data-points"
+				>
+					<Tooltip title={metricHighlights?.dataPoints?.toLocaleString()}>
+						{formatNumberIntoHumanReadableFormat(metricHighlights?.dataPoints ?? 0)}
+					</Tooltip>
+				</Typography.Text>
+				<Typography.Text
+					className="metric-details-grid-value"
+					data-testid="metric-highlights-time-series-total"
+				>
+					<Tooltip
+						title="Active time series are those that have received data points in the last 1
+					hour."
+						placement="top"
+					>
+						<span>{`${timeSeriesTotal} total ⎯ ${timeSeriesActive} active`}</span>
+					</Tooltip>
+				</Typography.Text>
+				<Typography.Text
+					className="metric-details-grid-value"
+					data-testid="metric-highlights-last-received"
+				>
+					<Tooltip title={lastReceivedText}>{lastReceivedText}</Tooltip>
+				</Typography.Text>
+			</div>
+		</div>
+	);
+}
+
+export default Highlights;

frontend/src/container/MetricsExplorer/MetricDetails/Metadata.tsx

@@ -1,45 +1,58 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useState } from 'react';
 import { useQueryClient } from 'react-query';
-import { Button, Collapse, Input, Select, Typography } from 'antd';
+import { Button, Collapse, Input, Select, Skeleton, Typography } from 'antd';
 import { ColumnsType } from 'antd/es/table';
 import logEvent from 'api/common/logEvent';
-import { Temporality } from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
-import { UpdateMetricMetadataProps } from 'api/metricsExplorer/updateMetricMetadata';
+import {
+	invalidateGetMetricMetadata,
+	invalidateListMetrics,
+	useUpdateMetricMetadata,
+} from 'api/generated/services/metrics';
+import {
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+	RenderErrorResponseDTO,
+} from 'api/generated/services/sigNoz.schemas';
+import { AxiosError } from 'axios';
 import { ResizeTable } from 'components/ResizeTable';
 import YAxisUnitSelector from 'components/YAxisUnitSelector';
 import { YAxisSource } from 'components/YAxisUnitSelector/types';
 import { getUniversalNameFromMetricUnit } from 'components/YAxisUnitSelector/utils';
 import FieldRenderer from 'container/LogDetailedView/FieldRenderer';
 import { DataType } from 'container/LogDetailedView/TableView';
-import { useUpdateMetricMetadata } from 'hooks/metricsExplorer/useUpdateMetricMetadata';
 import { useNotifications } from 'hooks/useNotifications';
 import { Edit2, Save, X } from 'lucide-react';
 
 import { MetricsExplorerEventKeys, MetricsExplorerEvents } from '../events';
+import { MetricTypeViewRenderer } from '../Summary/utils';
 import {
-	METRIC_TYPE_LABEL_MAP,
-	METRIC_TYPE_VALUES_MAP,
-} from '../Summary/constants';
-import { MetricTypeRenderer } from '../Summary/utils';
-import { METRIC_METADATA_KEYS } from './constants';
-import { MetadataProps } from './types';
-import { determineIsMonotonic } from './utils';
+	METRIC_METADATA_KEYS,
+	METRIC_METADATA_TEMPORALITY_OPTIONS,
+	METRIC_METADATA_TYPE_OPTIONS,
+	METRIC_METADATA_UPDATE_ERROR_MESSAGE,
+} from './constants';
+import MetricDetailsErrorState from './MetricDetailsErrorState';
+import { MetadataProps, MetricMetadataFormState, TableFields } from './types';
+import { transformUpdateMetricMetadataRequest } from './utils';
 
 function Metadata({
 	metricName,
 	metadata,
-	refetchMetricDetails,
+	isErrorMetricMetadata,
+	isLoadingMetricMetadata,
+	refetchMetricMetadata,
 }: MetadataProps): JSX.Element {
 	const [isEditing, setIsEditing] = useState(false);
+
 	const [
-		metricMetadata,
-		setMetricMetadata,
-	] = useState<UpdateMetricMetadataProps>({
-		metricType: metadata?.metric_type || MetricType.SUM,
-		description: metadata?.description || '',
-		temporality: metadata?.temporality,
-		unit: metadata?.unit,
+		metricMetadataState,
+		setMetricMetadataState,
+	] = useState<MetricMetadataFormState>({
+		type: MetrictypesTypeDTO.sum,
+		description: '',
+		temporality: MetrictypesTemporalityDTO.unspecified,
+		unit: '',
+		isMonotonic: false,
 	});
 	const { notifications } = useNotifications();
 	const {
@@ -51,110 +64,135 @@ function Metadata({
 	);
 	const queryClient = useQueryClient();
 
+	// Initialize state from metadata api data
+	useEffect(() => {
+		if (metadata) {
+			setMetricMetadataState({
+				type: metadata.type,
+				description: metadata.description,
+				temporality: metadata.temporality,
+				unit: metadata.unit,
+				isMonotonic: metadata.isMonotonic,
+			});
+		}
+	}, [metadata]);
+
 	const tableData = useMemo(
 		() =>
 			metadata
-				? Object.keys({
-						...metadata,
-						temporality: metadata?.temporality,
-				  })
-						// Filter out monotonic as user input is not required
-						.filter((key) => key !== 'monotonic')
-						.map((key) => ({
+				? Object.keys(metadata).map((key) => ({
+						key,
+						value: {
+							value: metadata[key as keyof typeof metadata],
 							key,
-							value: {
-								value: metadata[key as keyof typeof metadata],
-								key,
-							},
-						}))
+						},
+				  }))
 				: [],
 		[metadata],
 	);
 
 	// Render un-editable field value
-	const renderUneditableField = useCallback((key: string, value: string) => {
-		if (key === 'metric_type') {
-			return <MetricTypeRenderer type={value as MetricType} />;
-		}
-		let fieldValue = value;
-		if (key === 'unit') {
-			fieldValue = getUniversalNameFromMetricUnit(value);
-		}
-		return <FieldRenderer field={fieldValue || '-'} />;
-	}, []);
+	const renderUneditableField = useCallback(
+		(key: keyof MetricMetadataFormState, value: string) => {
+			if (isErrorMetricMetadata) {
+				return <FieldRenderer field="-" />;
+			}
+			if (key === TableFields.TYPE) {
+				return <MetricTypeViewRenderer type={value as MetrictypesTypeDTO} />;
+			}
+			if (key === TableFields.IS_MONOTONIC) {
+				return <FieldRenderer field={value ? 'Yes' : 'No'} />;
+			}
+			if (key === TableFields.Temporality) {
+				const temporality = METRIC_METADATA_TEMPORALITY_OPTIONS.find(
+					(option) => option.value === value,
+				);
+				return <FieldRenderer field={temporality?.label || '-'} />;
+			}
+			let fieldValue = value;
+			if (key === TableFields.UNIT) {
+				fieldValue = getUniversalNameFromMetricUnit(value);
+			}
+			return <FieldRenderer field={fieldValue || '-'} />;
+		},
+		[isErrorMetricMetadata],
+	);
 
 	const renderColumnValue = useCallback(
-		(field: { value: string; key: string }): JSX.Element => {
+		(field: {
+			value: string;
+			key: keyof MetricMetadataFormState;
+		}): JSX.Element => {
 			if (!isEditing) {
 				return renderUneditableField(field.key, field.value);
 			}
 
 			// Don't allow editing of unit if it's already set
-			const metricUnitAlreadySet = field.key === 'unit' && Boolean(metadata?.unit);
+			const metricUnitAlreadySet =
+				field.key === TableFields.UNIT && Boolean(metadata?.unit);
 			if (metricUnitAlreadySet) {
 				return renderUneditableField(field.key, field.value);
 			}
 
-			if (field.key === 'metric_type') {
+			// Monotonic is not editable
+			if (field.key === TableFields.IS_MONOTONIC) {
+				return renderUneditableField(field.key, field.value);
+			}
+
+			if (field.key === TableFields.TYPE) {
 				return (
 					<Select
 						data-testid="metric-type-select"
-						options={Object.entries(METRIC_TYPE_VALUES_MAP).map(([key]) => ({
-							value: key,
-							label: METRIC_TYPE_LABEL_MAP[key as MetricType],
-						}))}
-						value={metricMetadata.metricType}
+						options={METRIC_METADATA_TYPE_OPTIONS}
+						value={metricMetadataState.type}
 						onChange={(value): void => {
-							setMetricMetadata((prev) => ({
+							setMetricMetadataState((prev) => ({
 								...prev,
-								metricType: value as MetricType,
+								type: value,
 							}));
 						}}
 					/>
 				);
 			}
-			if (field.key === 'unit') {
+			if (field.key === TableFields.UNIT) {
 				return (
 					<YAxisUnitSelector
-						value={metricMetadata.unit}
+						value={metricMetadataState.unit}
 						onChange={(value): void => {
-							setMetricMetadata((prev) => ({ ...prev, unit: value }));
+							setMetricMetadataState((prev) => ({ ...prev, unit: value }));
 						}}
 						data-testid="unit-select"
 						source={YAxisSource.EXPLORER}
 					/>
 				);
 			}
-			if (field.key === 'temporality') {
+			if (field.key === TableFields.Temporality) {
+				const temporalityValue =
+					metricMetadataState.temporality === MetrictypesTemporalityDTO.unspecified
+						? undefined
+						: metricMetadataState.temporality;
 				return (
 					<Select
 						data-testid="temporality-select"
-						options={Object.values(Temporality).map((key) => ({
-							value: key,
-							label: key,
-						}))}
-						value={metricMetadata.temporality}
+						options={METRIC_METADATA_TEMPORALITY_OPTIONS}
+						value={temporalityValue}
 						onChange={(value): void => {
-							setMetricMetadata((prev) => ({
+							setMetricMetadataState((prev) => ({
 								...prev,
-								temporality: value as Temporality,
+								temporality: value,
 							}));
 						}}
 					/>
 				);
 			}
-			if (field.key === 'description') {
+			if (field.key === TableFields.DESCRIPTION) {
 				return (
 					<Input
 						data-testid="description-input"
 						name={field.key}
-						defaultValue={
-							metricMetadata[
-								field.key as Exclude<keyof UpdateMetricMetadataProps, 'isMonotonic'>
-							]
-						}
+						defaultValue={metricMetadataState.description}
 						onChange={(e): void => {
-							setMetricMetadata((prev) => ({
+							setMetricMetadataState((prev) => ({
 								...prev,
 								[field.key]: e.target.value,
 							}));
@@ -164,7 +202,7 @@ function Metadata({
 			}
 			return <FieldRenderer field="-" />;
 		},
-		[isEditing, metadata?.unit, metricMetadata, renderUneditableField],
+		[isEditing, metadata?.unit, metricMetadataState, renderUneditableField],
 	);
 
 	const columns: ColumnsType<DataType> = useMemo(
@@ -201,52 +239,61 @@ function Metadata({
 	const handleSave = useCallback(() => {
 		updateMetricMetadata(
 			{
-				metricName,
-				payload: {
-					...metricMetadata,
-					isMonotonic: determineIsMonotonic(
-						metricMetadata.metricType,
-						metricMetadata.temporality,
-					),
+				pathParams: {
+					metricName,
 				},
+				data: transformUpdateMetricMetadataRequest(metricName, metricMetadataState),
 			},
 			{
-				onSuccess: (response): void => {
-					if (response?.statusCode === 200) {
-						logEvent(MetricsExplorerEvents.MetricMetadataUpdated, {
-							[MetricsExplorerEventKeys.MetricName]: metricName,
-							[MetricsExplorerEventKeys.Tab]: 'summary',
-							[MetricsExplorerEventKeys.Modal]: 'metric-details',
-						});
-						notifications.success({
-							message: 'Metadata updated successfully',
-						});
-						refetchMetricDetails();
-						setIsEditing(false);
-						queryClient.invalidateQueries(['metricsList']);
-					} else {
-						notifications.error({
-							message:
-								'Failed to update metadata, please try again. If the issue persists, please contact support.',
-						});
-					}
+				onSuccess: (): void => {
+					logEvent(MetricsExplorerEvents.MetricMetadataUpdated, {
+						[MetricsExplorerEventKeys.MetricName]: metricName,
+						[MetricsExplorerEventKeys.Tab]: 'summary',
+						[MetricsExplorerEventKeys.Modal]: 'metric-details',
+					});
+					notifications.success({
+						message: 'Metadata updated successfully',
+					});
+					setIsEditing(false);
+					invalidateListMetrics(queryClient);
+					invalidateGetMetricMetadata(queryClient, {
+						metricName,
+					});
 				},
-				onError: (): void =>
+				onError: (error): void => {
+					const errorMessage = (error as AxiosError<RenderErrorResponseDTO>).response
+						?.data.error?.message;
 					notifications.error({
-						message:
-							'Failed to update metadata, please try again. If the issue persists, please contact support.',
-					}),
+						message: errorMessage || METRIC_METADATA_UPDATE_ERROR_MESSAGE,
+					});
+				},
 			},
 		);
 	}, [
 		updateMetricMetadata,
 		metricName,
-		metricMetadata,
+		metricMetadataState,
 		notifications,
-		refetchMetricDetails,
 		queryClient,
 	]);
 
+	const cancelEdit = useCallback(
+		(e: React.MouseEvent<HTMLElement, MouseEvent>): void => {
+			e.stopPropagation();
+			if (metadata) {
+				setMetricMetadataState({
+					type: metadata.type,
+					description: metadata.description,
+					unit: metadata.unit,
+					temporality: metadata.temporality,
+					isMonotonic: metadata.isMonotonic,
+				});
+			}
+			setIsEditing(false);
+		},
+		[metadata],
+	);
+
 	const actionButton = useMemo(() => {
 		if (isEditing) {
 			return (
@@ -254,10 +301,7 @@ function Metadata({
 					<Button
 						className="action-button"
 						type="text"
-						onClick={(e): void => {
-							e.stopPropagation();
-							setIsEditing(false);
-						}}
+						onClick={cancelEdit}
 						disabled={isUpdatingMetricsMetadata}
 					>
 						<X size={14} />
@@ -278,6 +322,9 @@ function Metadata({
 				</div>
 			);
 		}
+		if (isErrorMetricMetadata) {
+			return null;
+		}
 		return (
 			<div className="action-menu">
 				<Button
@@ -294,7 +341,13 @@ function Metadata({
 				</Button>
 			</div>
 		);
-	}, [handleSave, isEditing, isUpdatingMetricsMetadata]);
+	}, [
+		isEditing,
+		isErrorMetricMetadata,
+		isUpdatingMetricsMetadata,
+		cancelEdit,
+		handleSave,
+	]);
 
 	const items = useMemo(
 		() => [
@@ -306,7 +359,14 @@ function Metadata({
 					</div>
 				),
 				key: 'metric-metadata',
-				children: (
+				children: isErrorMetricMetadata ? (
+					<div className="metric-metadata-error-state">
+						<MetricDetailsErrorState
+							refetch={refetchMetricMetadata}
+							errorMessage="Something went wrong while fetching metric metadata"
+						/>
+					</div>
+				) : (
 					<ResizeTable
 						columns={columns}
 						tableLayout="fixed"
@@ -318,9 +378,23 @@ function Metadata({
 				),
 			},
 		],
-		[actionButton, columns, tableData],
+		[
+			actionButton,
+			columns,
+			isErrorMetricMetadata,
+			refetchMetricMetadata,
+			tableData,
+		],
 	);
 
+	if (isLoadingMetricMetadata) {
+		return (
+			<div className="metrics-metadata-skeleton-container">
+				<Skeleton active paragraph={{ rows: 8 }} />
+			</div>
+		);
+	}
+
 	return (
 		<Collapse
 			bordered

frontend/src/container/MetricsExplorer/MetricDetails/MetricDetails.styles.scss

@@ -38,7 +38,12 @@
 		flex-direction: column;
 		gap: 12px;
 
+		.metrics-metadata-error {
+			padding: 16px !important;
+		}
+
 		.metric-details-content-grid {
+			height: 50px;
 			.labels-row,
 			.values-row {
 				display: grid;
@@ -47,6 +52,18 @@
 				align-items: center;
 			}
 
+			.metric-highlights-error-state {
+				display: flex;
+				gap: 8px;
+				height: 100%;
+				width: 100%;
+				align-items: center;
+
+				.ant-btn {
+					padding: 2px 4px;
+				}
+			}
+
 			.labels-row {
 				margin-bottom: 8px;
 
@@ -72,6 +89,7 @@
 		.dashboards-and-alerts-popover-container {
 			display: flex;
 			gap: 16px;
+			height: 32px;
 
 			.dashboards-and-alerts-popover {
 				border-radius: 20px;
@@ -102,7 +120,19 @@
 			}
 		}
 
+		.metrics-metadata-skeleton-container {
+			height: 330px;
+		}
+
+		.all-attributes-skeleton-container {
+			height: 600px;
+		}
+
 		.metrics-accordion {
+			.all-attributes-error-state {
+				height: 300px;
+			}
+
 			.ant-table-body {
 				&::-webkit-scrollbar {
 					width: 2px;
@@ -148,7 +178,6 @@
 
 				.all-attributes-search-input {
 					width: 300px;
-					border: 1px solid var(--bg-slate-300);
 				}
 			}
 
@@ -161,6 +190,7 @@
 							.ant-typography:first-child {
 								font-family: 'Geist Mono';
 								color: var(--bg-robin-400);
+								background-color: transparent;
 							}
 						}
 						.all-attributes-contribution {
@@ -217,6 +247,10 @@
 
 			.ant-collapse-content-box {
 				padding: 0;
+
+				.metric-metadata-error-state {
+					height: 267px;
+				}
 			}
 
 			.ant-collapse-header {
@@ -237,6 +271,7 @@
 			}
 
 			.metric-metadata-value {
+				height: 67px;
 				background: rgba(22, 25, 34, 0.4);
 				overflow-x: scroll;
 				.field-renderer-container {
@@ -330,18 +365,26 @@
 	.metric-details-content {
 		.metrics-accordion {
 			.metrics-accordion-header {
-				.action-button {
-					.ant-typography {
-						color: var(--bg-slate-400);
+				.action-menu {
+					.action-button {
+						.ant-typography {
+							color: var(--bg-slate-400);
+						}
 					}
 				}
 			}
 
 			.metrics-accordion-content {
 				.metric-metadata-key {
+					.field-renderer-container {
+						.label {
+							color: var(--bg-slate-300);
+						}
+					}
+
 					.all-attributes-key {
 						.ant-typography:last-child {
-							color: var(--bg-slate-400);
+							color: var(--bg-vanilla-200);
 							background-color: var(--bg-robin-300);
 						}
 					}
@@ -395,3 +438,13 @@
 		}
 	}
 }
+
+.metric-details-error-state {
+	display: flex;
+	flex-direction: column;
+	gap: 8px;
+	align-items: center;
+	justify-content: center;
+	height: 100%;
+	width: 100%;
+}

frontend/src/container/MetricsExplorer/MetricDetails/MetricDetails.tsx

@@ -1,16 +1,8 @@
 import { useCallback, useEffect, useMemo } from 'react';
 import { Color } from '@signozhq/design-tokens';
-import {
-	Button,
-	Divider,
-	Drawer,
-	Empty,
-	Skeleton,
-	Tooltip,
-	Typography,
-} from 'antd';
+import { Button, Divider, Drawer, Typography } from 'antd';
 import logEvent from 'api/common/logEvent';
-import { useGetMetricDetails } from 'hooks/metricsExplorer/useGetMetricDetails';
+import { useGetMetricMetadata } from 'api/generated/services/metrics';
 import { useIsDarkMode } from 'hooks/useDarkMode';
 import { Compass, Crosshair, X } from 'lucide-react';
 
@@ -19,16 +11,12 @@ import ROUTES from '../../../constants/routes';
 import { useHandleExplorerTabChange } from '../../../hooks/useHandleExplorerTabChange';
 import { MetricsExplorerEventKeys, MetricsExplorerEvents } from '../events';
 import { isInspectEnabled } from '../Inspect/utils';
-import { formatNumberIntoHumanReadableFormat } from '../Summary/utils';
 import AllAttributes from './AllAttributes';
 import DashboardsAndAlertsPopover from './DashboardsAndAlertsPopover';
+import Highlights from './Highlights';
 import Metadata from './Metadata';
 import { MetricDetailsProps } from './types';
-import {
-	formatNumberToCompactFormat,
-	formatTimestampToReadableDate,
-	getMetricDetailsQuery,
-} from './utils';
+import { getMetricDetailsQuery } from './utils';
 
 import './MetricDetails.styles.scss';
 import '../Summary/Summary.styles.scss';
@@ -43,55 +31,49 @@ function MetricDetails({
 	const { handleExplorerTabChange } = useHandleExplorerTabChange();
 
 	const {
-		data,
-		isLoading,
-		isFetching,
-		error: metricDetailsError,
-		refetch: refetchMetricDetails,
-	} = useGetMetricDetails(metricName ?? '', {
-		enabled: !!metricName,
-	});
-
-	const metric = data?.payload?.data;
-
-	const lastReceived = useMemo(() => {
-		if (!metric) {
-			return null;
-		}
-		return formatTimestampToReadableDate(metric.lastReceived);
-	}, [metric]);
-
-	const showInspectFeature = useMemo(
-		() => isInspectEnabled(metric?.metadata?.metric_type),
-		[metric],
+		data: metricMetadataResponse,
+		isLoading: isLoadingMetricMetadata,
+		isError: isErrorMetricMetadata,
+		refetch: refetchMetricMetadata,
+	} = useGetMetricMetadata(
+		{
+			metricName,
+		},
+		{
+			query: {
+				enabled: !!metricName,
+			},
+		},
 	);
 
-	const isMetricDetailsLoading = isLoading || isFetching;
-
-	const timeSeries = useMemo(() => {
-		if (!metric) {
+	const metadata = useMemo(() => {
+		if (!metricMetadataResponse) {
 			return null;
 		}
-		const timeSeriesActive = formatNumberToCompactFormat(metric.timeSeriesActive);
-		const timeSeriesTotal = formatNumberToCompactFormat(metric.timeSeriesTotal);
+		const {
+			type,
+			description,
+			unit,
+			temporality,
+			isMonotonic,
+		} = metricMetadataResponse.data;
 
-		return (
-			<Tooltip
-				title="Active time series are those that have received data points in the last 1
-					hour."
-				placement="top"
-			>
-				<span>{`${timeSeriesTotal} total ⎯ ${timeSeriesActive} active`}</span>
-			</Tooltip>
-		);
-	}, [metric]);
+		return {
+			type,
+			description,
+			unit,
+			temporality,
+			isMonotonic,
+		};
+	}, [metricMetadataResponse]);
+
+	const showInspectFeature = useMemo(() => isInspectEnabled(metadata?.type), [
+		metadata?.type,
+	]);
 
 	const goToMetricsExplorerwithSelectedMetric = useCallback(() => {
 		if (metricName) {
-			const compositeQuery = getMetricDetailsQuery(
-				metricName,
-				metric?.metadata?.metric_type,
-			);
+			const compositeQuery = getMetricDetailsQuery(metricName, metadata?.type);
 			handleExplorerTabChange(
 				PANEL_TYPES.TIME_SERIES,
 				{
@@ -107,9 +89,7 @@ function MetricDetails({
 				[MetricsExplorerEventKeys.Modal]: 'metric-details',
 			});
 		}
-	}, [metricName, handleExplorerTabChange, metric?.metadata?.metric_type]);
-
-	const isMetricDetailsError = metricDetailsError || !metric;
+	}, [metricName, handleExplorerTabChange, metadata?.type]);
 
 	useEffect(() => {
 		logEvent(MetricsExplorerEvents.ModalOpened, {
@@ -117,6 +97,9 @@ function MetricDetails({
 		});
 	}, []);
 
+	const isActionButtonDisabled =
+		!metricName || isLoadingMetricMetadata || isErrorMetricMetadata;
+
 	return (
 		<Drawer
 			width="60%"
@@ -124,13 +107,13 @@ function MetricDetails({
 				<div className="metric-details-header">
 					<div className="metric-details-title">
 						<Divider type="vertical" />
-						<Typography.Text>{metric?.name}</Typography.Text>
+						<Typography.Text>{metricName}</Typography.Text>
 					</div>
 					<div className="metric-details-header-buttons">
 						<Button
 							onClick={goToMetricsExplorerwithSelectedMetric}
 							icon={<Compass size={16} />}
-							disabled={!metricName}
+							disabled={isActionButtonDisabled}
 							data-testid="open-in-explorer-button"
 						>
 							Open in Explorer
@@ -140,10 +123,11 @@ function MetricDetails({
 							<Button
 								className="inspect-metrics-button"
 								aria-label="Inspect Metric"
+								disabled={isActionButtonDisabled}
 								icon={<Crosshair size={18} />}
 								onClick={(): void => {
-									if (metric?.name) {
-										openInspectModal(metric.name);
+									if (metricName) {
+										openInspectModal(metricName);
 									}
 								}}
 								data-testid="inspect-metric-button"
@@ -163,60 +147,18 @@ function MetricDetails({
 			destroyOnClose
 			closeIcon={<X size={16} />}
 		>
-			{isMetricDetailsLoading && (
-				<div data-testid="metric-details-skeleton">
-					<Skeleton active />
-				</div>
-			)}
-			{isMetricDetailsError && !isMetricDetailsLoading && (
-				<Empty description="Error fetching metric details" />
-			)}
-			{!isMetricDetailsLoading && !isMetricDetailsError && (
-				<div className="metric-details-content">
-					<div className="metric-details-content-grid">
-						<div className="labels-row">
-							<Typography.Text type="secondary" className="metric-details-grid-label">
-								SAMPLES
-							</Typography.Text>
-							<Typography.Text type="secondary" className="metric-details-grid-label">
-								TIME SERIES
-							</Typography.Text>
-							<Typography.Text type="secondary" className="metric-details-grid-label">
-								LAST RECEIVED
-							</Typography.Text>
-						</div>
-						<div className="values-row">
-							<Typography.Text className="metric-details-grid-value">
-								<Tooltip title={metric?.samples.toLocaleString()}>
-									{formatNumberIntoHumanReadableFormat(metric?.samples)}
-								</Tooltip>
-							</Typography.Text>
-							<Typography.Text className="metric-details-grid-value">
-								<Tooltip title={timeSeries}>{timeSeries}</Tooltip>
-							</Typography.Text>
-							<Typography.Text className="metric-details-grid-value">
-								<Tooltip title={lastReceived}>{lastReceived}</Tooltip>
-							</Typography.Text>
-						</div>
-					</div>
-					<DashboardsAndAlertsPopover
-						dashboards={metric.dashboards}
-						alerts={metric.alerts}
-					/>
-					<Metadata
-						metricName={metric?.name}
-						metadata={metric.metadata}
-						refetchMetricDetails={refetchMetricDetails}
-					/>
-					{metric.attributes && (
-						<AllAttributes
-							metricName={metric?.name}
-							attributes={metric.attributes}
-							metricType={metric?.metadata?.metric_type}
-						/>
-					)}
-				</div>
-			)}
+			<div className="metric-details-content">
+				<Highlights metricName={metricName} />
+				<DashboardsAndAlertsPopover metricName={metricName} />
+				<Metadata
+					metricName={metricName}
+					metadata={metadata}
+					isErrorMetricMetadata={isErrorMetricMetadata}
+					isLoadingMetricMetadata={isLoadingMetricMetadata}
+					refetchMetricMetadata={refetchMetricMetadata}
+				/>
+				<AllAttributes metricName={metricName} metricType={metadata?.type} />
+			</div>
 		</Drawer>
 	);
 }

frontend/src/container/MetricsExplorer/MetricDetails/MetricDetailsErrorState.tsx

@@ -0,0 +1,20 @@
+import { Color } from '@signozhq/design-tokens';
+import { Button, Typography } from 'antd';
+import { InfoIcon } from 'lucide-react';
+
+import { MetricDetailsErrorStateProps } from './types';
+
+function MetricDetailsErrorState({
+	refetch,
+	errorMessage,
+}: MetricDetailsErrorStateProps): JSX.Element {
+	return (
+		<div className="metric-details-error-state">
+			<InfoIcon size={20} color={Color.BG_CHERRY_500} />
+			<Typography.Text>{errorMessage}</Typography.Text>
+			{refetch && <Button onClick={refetch}>Retry</Button>}
+		</div>
+	);
+}
+
+export default MetricDetailsErrorState;

frontend/src/container/MetricsExplorer/MetricDetails/__tests__/AllAttributes.test.tsx

@@ -1,11 +1,13 @@
 import * as reactUseHooks from 'react-use';
-import { fireEvent, render, screen } from '@testing-library/react';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
+import { render, screen } from '@testing-library/react';
+import * as metricsExplorerHooks from 'api/generated/services/metrics';
+import { MetrictypesTypeDTO } from 'api/generated/services/sigNoz.schemas';
 import * as useHandleExplorerTabChange from 'hooks/useHandleExplorerTabChange';
+import { userEvent } from 'tests/test-utils';
 
-import { MetricDetailsAttribute } from '../../../../api/metricsExplorer/getMetricDetails';
 import ROUTES from '../../../../constants/routes';
 import AllAttributes, { AllAttributesValue } from '../AllAttributes';
+import { getMockMetricAttributesData, MOCK_METRIC_NAME } from './testUtlls';
 
 jest.mock('react-router-dom', () => ({
 	...jest.requireActual('react-router-dom'),
@@ -20,33 +22,28 @@ jest
 		handleExplorerTabChange: mockHandleExplorerTabChange,
 	});
 
-const mockMetricName = 'test-metric';
-const mockMetricType = MetricType.GAUGE;
-const mockAttributes: MetricDetailsAttribute[] = [
-	{
-		key: 'attribute1',
-		value: ['value1', 'value2'],
-		valueCount: 2,
-	},
-	{
-		key: 'attribute2',
-		value: ['value3'],
-		valueCount: 1,
-	},
-];
-
 const mockUseCopyToClipboard = jest.fn();
 jest
 	.spyOn(reactUseHooks, 'useCopyToClipboard')
 	.mockReturnValue([{ value: 'value1' }, mockUseCopyToClipboard] as any);
 
+const useGetMetricAttributesMock = jest.spyOn(
+	metricsExplorerHooks,
+	'useGetMetricAttributes',
+);
+
 describe('AllAttributes', () => {
+	beforeEach(() => {
+		useGetMetricAttributesMock.mockReturnValue({
+			...getMockMetricAttributesData(),
+		});
+	});
+
 	it('renders attributes section with title', () => {
 		render(
 			<AllAttributes
-				metricName={mockMetricName}
-				attributes={mockAttributes}
-				metricType={mockMetricType}
+				metricName={MOCK_METRIC_NAME}
+				metricType={MetrictypesTypeDTO.gauge}
 			/>,
 		);
 
@@ -56,9 +53,8 @@ describe('AllAttributes', () => {
 	it('renders all attribute keys and values', () => {
 		render(
 			<AllAttributes
-				metricName={mockMetricName}
-				attributes={mockAttributes}
-				metricType={mockMetricType}
+				metricName={MOCK_METRIC_NAME}
+				metricType={MetrictypesTypeDTO.gauge}
 			/>,
 		);
 
@@ -75,9 +71,8 @@ describe('AllAttributes', () => {
 	it('renders value counts correctly', () => {
 		render(
 			<AllAttributes
-				metricName={mockMetricName}
-				attributes={mockAttributes}
-				metricType={mockMetricType}
+				metricName={MOCK_METRIC_NAME}
+				metricType={MetrictypesTypeDTO.gauge}
 			/>,
 		);
 
@@ -86,41 +81,44 @@ describe('AllAttributes', () => {
 	});
 
 	it('handles empty attributes array', () => {
+		useGetMetricAttributesMock.mockReturnValue({
+			...getMockMetricAttributesData({
+				data: {
+					attributes: [],
+					totalKeys: 0,
+				},
+			}),
+		});
 		render(
 			<AllAttributes
-				metricName={mockMetricName}
-				attributes={[]}
-				metricType={mockMetricType}
+				metricName={MOCK_METRIC_NAME}
+				metricType={MetrictypesTypeDTO.gauge}
 			/>,
 		);
 
 		expect(screen.getByText('All Attributes')).toBeInTheDocument();
-		expect(screen.queryByText('No data')).toBeInTheDocument();
+		expect(screen.getByText('No attributes found')).toBeInTheDocument();
 	});
 
-	it('clicking on an attribute key opens the explorer with the attribute filter applied', () => {
+	it('clicking on an attribute key opens the explorer with the attribute filter applied', async () => {
 		render(
 			<AllAttributes
-				metricName={mockMetricName}
-				attributes={mockAttributes}
-				metricType={mockMetricType}
+				metricName={MOCK_METRIC_NAME}
+				metricType={MetrictypesTypeDTO.gauge}
 			/>,
 		);
-		fireEvent.click(screen.getByText('attribute1'));
+		await userEvent.click(screen.getByText('attribute1'));
 		expect(mockHandleExplorerTabChange).toHaveBeenCalled();
 	});
 
-	it('filters attributes based on search input', () => {
+	it('filters attributes based on search input', async () => {
 		render(
 			<AllAttributes
-				metricName={mockMetricName}
-				attributes={mockAttributes}
-				metricType={mockMetricType}
+				metricName={MOCK_METRIC_NAME}
+				metricType={MetrictypesTypeDTO.gauge}
 			/>,
 		);
-		fireEvent.change(screen.getByPlaceholderText('Search'), {
-			target: { value: 'value1' },
-		});
+		await userEvent.type(screen.getByPlaceholderText('Search'), 'value1');
 
 		expect(screen.getByText('attribute1')).toBeInTheDocument();
 		expect(screen.getByText('value1')).toBeInTheDocument();
@@ -144,7 +142,7 @@ describe('AllAttributesValue', () => {
 		expect(screen.getByText('value2')).toBeInTheDocument();
 	});
 
-	it('loads more attributes when show more button is clicked', () => {
+	it('loads more attributes when show more button is clicked', async () => {
 		render(
 			<AllAttributesValue
 				filterKey="attribute1"
@@ -155,7 +153,7 @@ describe('AllAttributesValue', () => {
 			/>,
 		);
 		expect(screen.queryByText('value6')).not.toBeInTheDocument();
-		fireEvent.click(screen.getByText('Show More'));
+		await userEvent.click(screen.getByText('Show More'));
 		expect(screen.getByText('value6')).toBeInTheDocument();
 	});
 
@@ -172,7 +170,7 @@ describe('AllAttributesValue', () => {
 		expect(screen.queryByText('Show More')).not.toBeInTheDocument();
 	});
 
-	it('copy button should copy the attribute value to the clipboard', () => {
+	it('copy button should copy the attribute value to the clipboard', async () => {
 		render(
 			<AllAttributesValue
 				filterKey="attribute1"
@@ -183,13 +181,13 @@ describe('AllAttributesValue', () => {
 			/>,
 		);
 		expect(screen.getByText('value1')).toBeInTheDocument();
-		fireEvent.click(screen.getByText('value1'));
+		await userEvent.click(screen.getByText('value1'));
 		expect(screen.getByText('Copy Attribute')).toBeInTheDocument();
-		fireEvent.click(screen.getByText('Copy Attribute'));
+		await userEvent.click(screen.getByText('Copy Attribute'));
 		expect(mockUseCopyToClipboard).toHaveBeenCalledWith('value1');
 	});
 
-	it('explorer button should go to metrics explore with the attribute filter applied', () => {
+	it('explorer button should go to metrics explore with the attribute filter applied', async () => {
 		render(
 			<AllAttributesValue
 				filterKey="attribute1"
@@ -200,10 +198,10 @@ describe('AllAttributesValue', () => {
 			/>,
 		);
 		expect(screen.getByText('value1')).toBeInTheDocument();
-		fireEvent.click(screen.getByText('value1'));
+		await userEvent.click(screen.getByText('value1'));
 
 		expect(screen.getByText('Open in Explorer')).toBeInTheDocument();
-		fireEvent.click(screen.getByText('Open in Explorer'));
+		await userEvent.click(screen.getByText('Open in Explorer'));
 		expect(mockGoToMetricsExploreWithAppliedAttribute).toHaveBeenCalledWith(
 			'attribute1',
 			'value1',

frontend/src/container/MetricsExplorer/MetricDetails/__tests__/DashboardsAndAlertsPopover.test.tsx

@@ -1,26 +1,18 @@
-import { fireEvent, render, screen } from '@testing-library/react';
+import { render, screen } from '@testing-library/react';
+import * as metricsExplorerHooks from 'api/generated/services/metrics';
 import { QueryParams } from 'constants/query';
+import { userEvent } from 'tests/test-utils';
 
 import DashboardsAndAlertsPopover from '../DashboardsAndAlertsPopover';
-
-const mockAlert1 = {
-	alert_id: '1',
-	alert_name: 'Alert 1',
-};
-const mockAlert2 = {
-	alert_id: '2',
-	alert_name: 'Alert 2',
-};
-const mockDashboard1 = {
-	dashboard_id: '1',
-	dashboard_name: 'Dashboard 1',
-};
-const mockDashboard2 = {
-	dashboard_id: '2',
-	dashboard_name: 'Dashboard 2',
-};
-const mockAlerts = [mockAlert1, mockAlert2];
-const mockDashboards = [mockDashboard1, mockDashboard2];
+import {
+	getMockAlertsData,
+	getMockDashboardsData,
+	MOCK_ALERT_1,
+	MOCK_ALERT_2,
+	MOCK_DASHBOARD_1,
+	MOCK_DASHBOARD_2,
+	MOCK_METRIC_NAME,
+} from './testUtlls';
 
 const mockSafeNavigate = jest.fn();
 jest.mock('hooks/useSafeNavigate', () => ({
@@ -28,7 +20,6 @@ jest.mock('hooks/useSafeNavigate', () => ({
 		safeNavigate: mockSafeNavigate,
 	}),
 }));
-
 const mockSetQuery = jest.fn();
 const mockUrlQuery = {
 	set: mockSetQuery,
@@ -39,125 +30,156 @@ jest.mock('hooks/useUrlQuery', () => ({
 	default: jest.fn(() => mockUrlQuery),
 }));
 
-describe('DashboardsAndAlertsPopover', () => {
-	it('renders the popover correctly with multiple dashboards and alerts', () => {
-		render(
-			<DashboardsAndAlertsPopover
-				alerts={mockAlerts}
-				dashboards={mockDashboards}
-			/>,
-		);
+const useGetMetricAlertsMock = jest.spyOn(
+	metricsExplorerHooks,
+	'useGetMetricAlerts',
+);
+const useGetMetricDashboardsMock = jest.spyOn(
+	metricsExplorerHooks,
+	'useGetMetricDashboards',
+);
 
-		expect(
-			screen.getByText(`${mockDashboards.length} dashboards`),
-		).toBeInTheDocument();
-		expect(
-			screen.getByText(`${mockAlerts.length} alert rules`),
-		).toBeInTheDocument();
+describe('DashboardsAndAlertsPopover', () => {
+	beforeEach(() => {
+		useGetMetricAlertsMock.mockReturnValue(getMockAlertsData());
+		useGetMetricDashboardsMock.mockReturnValue(getMockDashboardsData());
+	});
+
+	it('renders the popover correctly with multiple dashboards and alerts', () => {
+		render(<DashboardsAndAlertsPopover metricName={MOCK_METRIC_NAME} />);
+
+		expect(screen.getByText(`2 dashboards`)).toBeInTheDocument();
+		expect(screen.getByText(`2 alert rules`)).toBeInTheDocument();
 	});
 
 	it('renders null with no dashboards and alerts', () => {
-		const { container } = render(
-			<DashboardsAndAlertsPopover alerts={[]} dashboards={[]} />,
+		useGetMetricAlertsMock.mockReturnValue(
+			getMockAlertsData({
+				data: {
+					alerts: [],
+				},
+			}),
 		);
-		expect(container).toBeEmptyDOMElement();
+		useGetMetricDashboardsMock.mockReturnValue(
+			getMockDashboardsData({
+				data: {
+					dashboards: [],
+				},
+			}),
+		);
+
+		const { container } = render(
+			<DashboardsAndAlertsPopover metricName={MOCK_METRIC_NAME} />,
+		);
+		expect(
+			container.querySelector('dashboards-and-alerts-popover-container'),
+		).toBeNull();
 	});
 
 	it('renders popover with single dashboard and alert', () => {
-		render(
-			<DashboardsAndAlertsPopover
-				alerts={[mockAlert1]}
-				dashboards={[mockDashboard1]}
-			/>,
+		useGetMetricAlertsMock.mockReturnValue(
+			getMockAlertsData({
+				data: {
+					alerts: [MOCK_ALERT_1],
+				},
+			}),
 		);
+		useGetMetricDashboardsMock.mockReturnValue(
+			getMockDashboardsData({
+				data: {
+					dashboards: [MOCK_DASHBOARD_1],
+				},
+			}),
+		);
+
+		render(<DashboardsAndAlertsPopover metricName={MOCK_METRIC_NAME} />);
+
 		expect(screen.getByText(`1 dashboard`)).toBeInTheDocument();
 		expect(screen.getByText(`1 alert rule`)).toBeInTheDocument();
 	});
 
-	it('renders popover with dashboard id if name is not available', () => {
-		render(
-			<DashboardsAndAlertsPopover
-				alerts={mockAlerts}
-				dashboards={[{ ...mockDashboard1, dashboard_name: undefined } as any]}
-			/>,
+	it('renders popover with dashboard id if name is not available', async () => {
+		useGetMetricDashboardsMock.mockReturnValue(
+			getMockDashboardsData({
+				data: {
+					dashboards: [{ ...MOCK_DASHBOARD_1, dashboardName: '' }],
+				},
+			}),
 		);
 
-		fireEvent.click(screen.getByText(`1 dashboard`));
-		expect(screen.getByText(mockDashboard1.dashboard_id)).toBeInTheDocument();
+		render(<DashboardsAndAlertsPopover metricName={MOCK_METRIC_NAME} />);
+
+		await userEvent.click(screen.getByText(`1 dashboard`));
+		expect(screen.getByText(MOCK_DASHBOARD_1.dashboardId)).toBeInTheDocument();
 	});
 
-	it('renders popover with alert id if name is not available', () => {
-		render(
-			<DashboardsAndAlertsPopover
-				alerts={[{ ...mockAlert1, alert_name: undefined } as any]}
-				dashboards={mockDashboards}
-			/>,
+	it('renders popover with alert id if name is not available', async () => {
+		useGetMetricAlertsMock.mockReturnValue(
+			getMockAlertsData({
+				data: {
+					alerts: [{ ...MOCK_ALERT_1, alertName: '' }],
+				},
+			}),
 		);
 
-		fireEvent.click(screen.getByText(`1 alert rule`));
-		expect(screen.getByText(mockAlert1.alert_id)).toBeInTheDocument();
+		render(<DashboardsAndAlertsPopover metricName={MOCK_METRIC_NAME} />);
+
+		await userEvent.click(screen.getByText(`1 alert rule`));
+		expect(screen.getByText(MOCK_ALERT_1.alertId)).toBeInTheDocument();
 	});
 
-	it('navigates to the dashboard when the dashboard is clicked', () => {
-		render(
-			<DashboardsAndAlertsPopover
-				alerts={mockAlerts}
-				dashboards={mockDashboards}
-			/>,
-		);
+	it('navigates to the dashboard when the dashboard is clicked', async () => {
+		render(<DashboardsAndAlertsPopover metricName={MOCK_METRIC_NAME} />);
 
 		// Click on 2 dashboards button
-		fireEvent.click(screen.getByText(`${mockDashboards.length} dashboards`));
+		await userEvent.click(screen.getByText(`2 dashboards`));
 		// Popover showing list of 2 dashboards should be visible
-		expect(screen.getByText(mockDashboard1.dashboard_name)).toBeInTheDocument();
-		expect(screen.getByText(mockDashboard2.dashboard_name)).toBeInTheDocument();
+		expect(screen.getByText(MOCK_DASHBOARD_1.dashboardName)).toBeInTheDocument();
+		expect(screen.getByText(MOCK_DASHBOARD_2.dashboardName)).toBeInTheDocument();
 
 		// Click on the first dashboard
-		fireEvent.click(screen.getByText(mockDashboard1.dashboard_name));
+		await userEvent.click(screen.getByText(MOCK_DASHBOARD_1.dashboardName));
 
 		// Should navigate to the dashboard
 		expect(mockSafeNavigate).toHaveBeenCalledWith(
-			`/dashboard/${mockDashboard1.dashboard_id}`,
+			`/dashboard/${MOCK_DASHBOARD_1.dashboardId}`,
 		);
 	});
 
-	it('navigates to the alert when the alert is clicked', () => {
-		render(
-			<DashboardsAndAlertsPopover
-				alerts={mockAlerts}
-				dashboards={mockDashboards}
-			/>,
-		);
+	it('navigates to the alert when the alert is clicked', async () => {
+		render(<DashboardsAndAlertsPopover metricName={MOCK_METRIC_NAME} />);
 
 		// Click on 2 alert rules button
-		fireEvent.click(screen.getByText(`${mockAlerts.length} alert rules`));
+		await userEvent.click(screen.getByText(`2 alert rules`));
 		// Popover showing list of 2 alert rules should be visible
-		expect(screen.getByText(mockAlert1.alert_name)).toBeInTheDocument();
-		expect(screen.getByText(mockAlert2.alert_name)).toBeInTheDocument();
+		expect(screen.getByText(MOCK_ALERT_1.alertName)).toBeInTheDocument();
+		expect(screen.getByText(MOCK_ALERT_2.alertName)).toBeInTheDocument();
 
 		// Click on the first alert rule
-		fireEvent.click(screen.getByText(mockAlert1.alert_name));
+		await userEvent.click(screen.getByText(MOCK_ALERT_1.alertName));
 
 		// Should navigate to the alert rule
 		expect(mockSetQuery).toHaveBeenCalledWith(
 			QueryParams.ruleId,
-			mockAlert1.alert_id,
+			MOCK_ALERT_1.alertId,
 		);
 	});
 
-	it('renders unique dashboards even when there are duplicates', () => {
-		render(
-			<DashboardsAndAlertsPopover
-				alerts={mockAlerts}
-				dashboards={[...mockDashboards, mockDashboard1]}
-			/>,
+	it('renders unique dashboards even when there are duplicates', async () => {
+		useGetMetricDashboardsMock.mockReturnValue(
+			getMockDashboardsData({
+				data: {
+					dashboards: [MOCK_DASHBOARD_1, MOCK_DASHBOARD_2, MOCK_DASHBOARD_1],
+				},
+			}),
 		);
-		expect(
-			screen.getByText(`${mockDashboards.length} dashboards`),
-		).toBeInTheDocument();
 
-		fireEvent.click(screen.getByText(`${mockDashboards.length} dashboards`));
-		expect(screen.getByText(mockDashboard1.dashboard_name)).toBeInTheDocument();
-		expect(screen.getByText(mockDashboard2.dashboard_name)).toBeInTheDocument();
+		render(<DashboardsAndAlertsPopover metricName={MOCK_METRIC_NAME} />);
+
+		expect(screen.getByText('2 dashboards')).toBeInTheDocument();
+
+		await userEvent.click(screen.getByText('2 dashboards'));
+		expect(screen.getByText(MOCK_DASHBOARD_1.dashboardName)).toBeInTheDocument();
+		expect(screen.getByText(MOCK_DASHBOARD_2.dashboardName)).toBeInTheDocument();
 	});
 });

frontend/src/container/MetricsExplorer/MetricDetails/__tests__/Highlights.test.tsx

@@ -0,0 +1,67 @@
+import { render, screen } from '@testing-library/react';
+import * as metricsExplorerHooks from 'api/generated/services/metrics';
+
+import Highlights from '../Highlights';
+import { formatTimestampToReadableDate } from '../utils';
+import { getMockMetricHighlightsData, MOCK_METRIC_NAME } from './testUtlls';
+
+const useGetMetricHighlightsMock = jest.spyOn(
+	metricsExplorerHooks,
+	'useGetMetricHighlights',
+);
+
+describe('Highlights', () => {
+	beforeEach(() => {
+		useGetMetricHighlightsMock.mockReturnValue(getMockMetricHighlightsData());
+	});
+
+	it('should render all highlights data correctly', () => {
+		render(<Highlights metricName={MOCK_METRIC_NAME} />);
+
+		const dataPoints = screen.getByTestId('metric-highlights-data-points');
+		const timeSeriesTotal = screen.getByTestId(
+			'metric-highlights-time-series-total',
+		);
+		const lastReceived = screen.getByTestId('metric-highlights-last-received');
+
+		expect(dataPoints.textContent).toBe('1M+');
+		expect(timeSeriesTotal.textContent).toBe('1M total ⎯ 1M active');
+		expect(lastReceived.textContent).toBe(
+			formatTimestampToReadableDate('2026-01-24T00:00:00Z'),
+		);
+	});
+
+	it('should render error state correctly', () => {
+		useGetMetricHighlightsMock.mockReturnValue(
+			getMockMetricHighlightsData(
+				{},
+				{
+					isError: true,
+				},
+			),
+		);
+
+		render(<Highlights metricName={MOCK_METRIC_NAME} />);
+
+		expect(
+			screen.getByTestId('metric-highlights-error-state'),
+		).toBeInTheDocument();
+	});
+
+	it('should render loading state when data is loading', () => {
+		useGetMetricHighlightsMock.mockReturnValue(
+			getMockMetricHighlightsData(
+				{},
+				{
+					isLoading: true,
+				},
+			),
+		);
+
+		render(<Highlights metricName={MOCK_METRIC_NAME} />);
+
+		expect(
+			screen.getByTestId('metric-highlights-loading-state'),
+		).toBeInTheDocument();
+	});
+});

frontend/src/container/MetricsExplorer/MetricDetails/__tests__/Metadata.test.tsx

@@ -1,16 +1,24 @@
 /* eslint-disable sonarjs/no-duplicate-string */
-import { fireEvent, render, screen } from '@testing-library/react';
+import { render, screen } from '@testing-library/react';
+import * as metricsExplorerHooks from 'api/generated/services/metrics';
+import {
+	GetMetricMetadata200,
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
 import { Temporality } from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
 import {
 	UniversalYAxisUnit,
 	YAxisUnitSelectorProps,
 } from 'components/YAxisUnitSelector/types';
-import * as useUpdateMetricMetadataHooks from 'hooks/metricsExplorer/useUpdateMetricMetadata';
 import * as useNotificationsHooks from 'hooks/useNotifications';
+import { userEvent } from 'tests/test-utils';
 import { SelectOption } from 'types/common/select';
 
 import Metadata from '../Metadata';
+import { MetricMetadata } from '../types';
+import { transformMetricMetadata } from '../utils';
+import { getMockMetricMetadataData, MOCK_METRIC_NAME } from './testUtlls';
 
 // Mock antd select for testing
 jest.mock('antd', () => ({
@@ -72,13 +80,18 @@ jest.mock('react-query', () => ({
 	}),
 }));
 
+const mockUseUpdateMetricMetadataHook = jest.spyOn(
+	metricsExplorerHooks,
+	'useUpdateMetricMetadata',
+);
+type UseUpdateMetricMetadataResult = ReturnType<
+	typeof metricsExplorerHooks.useUpdateMetricMetadata
+>;
 const mockUseUpdateMetricMetadata = jest.fn();
-jest
-	.spyOn(useUpdateMetricMetadataHooks, 'useUpdateMetricMetadata')
-	.mockReturnValue({
-		mutate: mockUseUpdateMetricMetadata,
-		isLoading: false,
-	} as any);
+
+const mockMetricMetadata = transformMetricMetadata(
+	getMockMetricMetadataData().data as GetMetricMetadata200,
+) as MetricMetadata;
 
 const mockErrorNotification = jest.fn();
 const mockSuccessNotification = jest.fn();
@@ -89,47 +102,50 @@ jest.spyOn(useNotificationsHooks, 'useNotifications').mockReturnValue({
 	},
 } as any);
 
-const mockMetricName = 'test_metric';
-const mockMetricMetadata = {
-	metric_type: MetricType.GAUGE,
-	description: 'test_description',
-	unit: 'test_unit',
-	temporality: Temporality.DELTA,
-};
-const mockRefetchMetricDetails = jest.fn();
+const mockRefetchMetricMetadata = jest.fn();
 
 describe('Metadata', () => {
+	beforeEach(() => {
+		mockUseUpdateMetricMetadataHook.mockReturnValue(({
+			mutate: mockUseUpdateMetricMetadata,
+		} as Partial<UseUpdateMetricMetadataResult>) as UseUpdateMetricMetadataResult);
+	});
+
 	it('should render the metadata properly', () => {
 		render(
 			<Metadata
-				metricName={mockMetricName}
+				metricName={MOCK_METRIC_NAME}
 				metadata={mockMetricMetadata}
-				refetchMetricDetails={mockRefetchMetricDetails}
+				isErrorMetricMetadata={false}
+				isLoadingMetricMetadata={false}
+				refetchMetricMetadata={mockRefetchMetricMetadata}
 			/>,
 		);
 
 		expect(screen.getByText('Metric Type')).toBeInTheDocument();
-		expect(screen.getByText(mockMetricMetadata.metric_type)).toBeInTheDocument();
+		expect(screen.getByText('Gauge')).toBeInTheDocument();
 		expect(screen.getByText('Description')).toBeInTheDocument();
 		expect(screen.getByText(mockMetricMetadata.description)).toBeInTheDocument();
 		expect(screen.getByText('Unit')).toBeInTheDocument();
 		expect(screen.getByText(mockMetricMetadata.unit)).toBeInTheDocument();
 		expect(screen.getByText('Temporality')).toBeInTheDocument();
-		expect(screen.getByText(mockMetricMetadata.temporality)).toBeInTheDocument();
+		expect(screen.getByText('Delta')).toBeInTheDocument();
 	});
 
-	it('editing the metadata should show the form inputs', () => {
+	it('editing the metadata should show the form inputs', async () => {
 		render(
 			<Metadata
-				metricName={mockMetricName}
+				metricName={MOCK_METRIC_NAME}
 				metadata={mockMetricMetadata}
-				refetchMetricDetails={mockRefetchMetricDetails}
+				isErrorMetricMetadata={false}
+				isLoadingMetricMetadata={false}
+				refetchMetricMetadata={mockRefetchMetricMetadata}
 			/>,
 		);
 
 		const editButton = screen.getByText('Edit');
 		expect(editButton).toBeInTheDocument();
-		fireEvent.click(editButton);
+		await userEvent.click(editButton);
 
 		expect(screen.getByTestId('metric-type-select')).toBeInTheDocument();
 		expect(screen.getByTestId('temporality-select')).toBeInTheDocument();
@@ -139,57 +155,53 @@ describe('Metadata', () => {
 	it('should update the metadata when the form is submitted', async () => {
 		render(
 			<Metadata
-				metricName={mockMetricName}
+				metricName={MOCK_METRIC_NAME}
 				metadata={{
 					...mockMetricMetadata,
 					unit: '',
 				}}
-				refetchMetricDetails={mockRefetchMetricDetails}
+				isErrorMetricMetadata={false}
+				isLoadingMetricMetadata={false}
+				refetchMetricMetadata={mockRefetchMetricMetadata}
 			/>,
 		);
 
 		const editButton = screen.getByText('Edit');
 		expect(editButton).toBeInTheDocument();
-		fireEvent.click(editButton);
+		await userEvent.click(editButton);
 
 		const metricDescriptionInput = screen.getByTestId('description-input');
 		expect(metricDescriptionInput).toBeInTheDocument();
-		fireEvent.change(metricDescriptionInput, {
-			target: { value: 'Updated description' },
-		});
+		await userEvent.clear(metricDescriptionInput);
+		await userEvent.type(metricDescriptionInput, 'Updated description');
 
 		const metricTypeSelect = screen.getByTestId('metric-type-select');
 		expect(metricTypeSelect).toBeInTheDocument();
-		fireEvent.change(metricTypeSelect, {
-			target: { value: MetricType.SUM },
-		});
+		await userEvent.selectOptions(metricTypeSelect, MetrictypesTypeDTO.sum);
 
 		const temporalitySelect = screen.getByTestId('temporality-select');
 		expect(temporalitySelect).toBeInTheDocument();
-		fireEvent.change(temporalitySelect, {
-			target: { value: Temporality.CUMULATIVE },
-		});
+		await userEvent.selectOptions(temporalitySelect, Temporality.CUMULATIVE);
 
 		const unitSelect = screen.getByTestId('unit-select');
 		expect(unitSelect).toBeInTheDocument();
-		fireEvent.change(unitSelect, {
-			target: { value: 'By' },
-		});
+		await userEvent.selectOptions(unitSelect, 'By');
 
 		const saveButton = screen.getByText('Save');
 		expect(saveButton).toBeInTheDocument();
-		fireEvent.click(saveButton);
+		await userEvent.click(saveButton);
 
 		expect(mockUseUpdateMetricMetadata).toHaveBeenCalledWith(
 			expect.objectContaining({
-				metricName: mockMetricName,
-				payload: expect.objectContaining({
-					description: 'Updated description',
-					metricType: MetricType.SUM,
-					temporality: Temporality.CUMULATIVE,
+				data: expect.objectContaining({
+					type: MetrictypesTypeDTO.sum,
+					temporality: MetrictypesTemporalityDTO.cumulative,
 					unit: 'By',
 					isMonotonic: true,
 				}),
+				pathParams: {
+					metricName: MOCK_METRIC_NAME,
+				},
 			}),
 			expect.objectContaining({
 				onSuccess: expect.any(Function),
@@ -201,56 +213,56 @@ describe('Metadata', () => {
 	it('should show success notification when metadata is updated successfully', async () => {
 		render(
 			<Metadata
-				metricName={mockMetricName}
+				metricName={MOCK_METRIC_NAME}
 				metadata={mockMetricMetadata}
-				refetchMetricDetails={mockRefetchMetricDetails}
+				isErrorMetricMetadata={false}
+				isLoadingMetricMetadata={false}
+				refetchMetricMetadata={mockRefetchMetricMetadata}
 			/>,
 		);
 
 		const editButton = screen.getByText('Edit');
-		fireEvent.click(editButton);
+		await userEvent.click(editButton);
 
 		const metricDescriptionInput = screen.getByTestId('description-input');
-		fireEvent.change(metricDescriptionInput, {
-			target: { value: 'Updated description' },
-		});
+		await userEvent.clear(metricDescriptionInput);
+		await userEvent.type(metricDescriptionInput, 'Updated description');
 
 		const saveButton = screen.getByText('Save');
-		fireEvent.click(saveButton);
+		await userEvent.click(saveButton);
 
 		const onSuccessCallback =
 			mockUseUpdateMetricMetadata.mock.calls[0][1].onSuccess;
-		onSuccessCallback({ statusCode: 200 });
+		onSuccessCallback({ status: 200 });
 
 		expect(mockSuccessNotification).toHaveBeenCalledWith({
 			message: 'Metadata updated successfully',
 		});
-		expect(mockRefetchMetricDetails).toHaveBeenCalled();
 	});
 
 	it('should show error notification when metadata update fails with non-200 response', async () => {
 		render(
 			<Metadata
-				metricName={mockMetricName}
+				metricName={MOCK_METRIC_NAME}
 				metadata={mockMetricMetadata}
-				refetchMetricDetails={mockRefetchMetricDetails}
+				isErrorMetricMetadata={false}
+				isLoadingMetricMetadata={false}
+				refetchMetricMetadata={mockRefetchMetricMetadata}
 			/>,
 		);
 
 		const editButton = screen.getByText('Edit');
-		fireEvent.click(editButton);
+		await userEvent.click(editButton);
 
 		const metricDescriptionInput = screen.getByTestId('description-input');
-		fireEvent.change(metricDescriptionInput, {
-			target: { value: 'Updated description' },
-		});
+		await userEvent.clear(metricDescriptionInput);
+		await userEvent.type(metricDescriptionInput, 'Updated description');
 
 		const saveButton = screen.getByText('Save');
-		fireEvent.click(saveButton);
+		await userEvent.click(saveButton);
 
-		const onSuccessCallback =
-			mockUseUpdateMetricMetadata.mock.calls[0][1].onSuccess;
-		onSuccessCallback({ statusCode: 500 });
+		const onErrorCallback = mockUseUpdateMetricMetadata.mock.calls[0][1].onError;
+		onErrorCallback({ status: 500 });
 
 		expect(mockErrorNotification).toHaveBeenCalledWith({
 			message:
@@ -261,22 +273,23 @@ describe('Metadata', () => {
 	it('should show error notification when metadata update fails', async () => {
 		render(
 			<Metadata
-				metricName={mockMetricName}
+				metricName={MOCK_METRIC_NAME}
 				metadata={mockMetricMetadata}
-				refetchMetricDetails={mockRefetchMetricDetails}
+				isErrorMetricMetadata={false}
+				isLoadingMetricMetadata={false}
+				refetchMetricMetadata={mockRefetchMetricMetadata}
 			/>,
 		);
 
 		const editButton = screen.getByText('Edit');
-		fireEvent.click(editButton);
+		await userEvent.click(editButton);
 
 		const metricDescriptionInput = screen.getByTestId('description-input');
-		fireEvent.change(metricDescriptionInput, {
-			target: { value: 'Updated description' },
-		});
+		await userEvent.clear(metricDescriptionInput);
+		await userEvent.type(metricDescriptionInput, 'Updated description');
 
 		const saveButton = screen.getByText('Save');
-		fireEvent.click(saveButton);
+		await userEvent.click(saveButton);
 
 		const onErrorCallback = mockUseUpdateMetricMetadata.mock.calls[0][1].onError;
 
@@ -289,39 +302,43 @@ describe('Metadata', () => {
 		});
 	});
 
-	it('cancel button should cancel the edit mode', () => {
+	it('cancel button should cancel the edit mode', async () => {
 		render(
 			<Metadata
-				metricName={mockMetricName}
+				metricName={MOCK_METRIC_NAME}
 				metadata={mockMetricMetadata}
-				refetchMetricDetails={mockRefetchMetricDetails}
+				isErrorMetricMetadata={false}
+				isLoadingMetricMetadata={false}
+				refetchMetricMetadata={mockRefetchMetricMetadata}
 			/>,
 		);
 
 		const editButton = screen.getByText('Edit');
 		expect(editButton).toBeInTheDocument();
-		fireEvent.click(editButton);
+		await userEvent.click(editButton);
 
 		const cancelButton = screen.getByText('Cancel');
 		expect(cancelButton).toBeInTheDocument();
-		fireEvent.click(cancelButton);
+		await userEvent.click(cancelButton);
 
 		const editButton2 = screen.getByText('Edit');
 		expect(editButton2).toBeInTheDocument();
 	});
 
-	it('should not allow editing of unit if it is already set', () => {
+	it('should not allow editing of unit if it is already set', async () => {
 		render(
 			<Metadata
-				metricName={mockMetricName}
+				metricName={MOCK_METRIC_NAME}
 				metadata={mockMetricMetadata}
-				refetchMetricDetails={mockRefetchMetricDetails}
+				isErrorMetricMetadata={false}
+				isLoadingMetricMetadata={false}
+				refetchMetricMetadata={mockRefetchMetricMetadata}
 			/>,
 		);
 
 		const editButton = screen.getByText('Edit');
 		expect(editButton).toBeInTheDocument();
-		fireEvent.click(editButton);
+		await userEvent.click(editButton);
 
 		const unitSelect = screen.queryByTestId('unit-select');
 		expect(unitSelect).not.toBeInTheDocument();

frontend/src/container/MetricsExplorer/MetricDetails/__tests__/MetricDetails.test.tsx

@@ -1,68 +1,16 @@
-import { fireEvent, render, screen } from '@testing-library/react';
-import { MetricDetails as MetricDetailsType } from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
-import { getUniversalNameFromMetricUnit } from 'components/YAxisUnitSelector/utils';
+import { render, screen } from '@testing-library/react';
+import * as metricsExplorerHooks from 'api/generated/services/metrics';
 import ROUTES from 'constants/routes';
-import * as useGetMetricDetails from 'hooks/metricsExplorer/useGetMetricDetails';
-import * as useUpdateMetricMetadata from 'hooks/metricsExplorer/useUpdateMetricMetadata';
 import * as useHandleExplorerTabChange from 'hooks/useHandleExplorerTabChange';
+import { userEvent } from 'tests/test-utils';
 
 import MetricDetails from '../MetricDetails';
+import { getMockMetricMetadataData } from './testUtlls';
 
 const mockMetricName = 'test-metric';
-const mockMetricDescription = 'description for a test metric';
-const mockMetricData: MetricDetailsType = {
-	name: mockMetricName,
-	description: mockMetricDescription,
-	unit: 'count',
-	attributes: [
-		{
-			key: 'test-attribute',
-			value: ['test-value'],
-			valueCount: 1,
-		},
-	],
-	alerts: [],
-	dashboards: [],
-	metadata: {
-		metric_type: MetricType.SUM,
-		description: mockMetricDescription,
-		unit: 'count',
-	},
-	type: '',
-	timeseries: 0,
-	samples: 0,
-	timeSeriesTotal: 0,
-	timeSeriesActive: 0,
-	lastReceived: '',
-};
 const mockOpenInspectModal = jest.fn();
 const mockOnClose = jest.fn();
 
-const mockUseGetMetricDetailsData = {
-	data: {
-		payload: {
-			data: mockMetricData,
-		},
-	},
-	isLoading: false,
-	isFetching: false,
-	isError: false,
-	error: null,
-	refetch: jest.fn(),
-};
-
-jest
-	.spyOn(useGetMetricDetails, 'useGetMetricDetails')
-	.mockReturnValue(mockUseGetMetricDetailsData as any);
-
-jest.spyOn(useUpdateMetricMetadata, 'useUpdateMetricMetadata').mockReturnValue({
-	mutate: jest.fn(),
-	isLoading: false,
-	isError: false,
-	error: null,
-} as any);
-
 const mockHandleExplorerTabChange = jest.fn();
 jest
 	.spyOn(useHandleExplorerTabChange, 'useHandleExplorerTabChange')
@@ -88,7 +36,50 @@ jest.mock('react-query', () => ({
 	}),
 }));
 
+jest.mock(
+	'container/MetricsExplorer/MetricDetails/AllAttributes',
+	() =>
+		function MockAllAttributes(): JSX.Element {
+			return <div data-testid="all-attributes">All Attributes</div>;
+		},
+);
+jest.mock(
+	'container/MetricsExplorer/MetricDetails/DashboardsAndAlertsPopover',
+	() =>
+		function MockDashboardsAndAlertsPopover(): JSX.Element {
+			return (
+				<div data-testid="dashboards-and-alerts-popover">
+					Dashboards and Alerts Popover
+				</div>
+			);
+		},
+);
+jest.mock(
+	'container/MetricsExplorer/MetricDetails/Highlights',
+	() =>
+		function MockHighlights(): JSX.Element {
+			return <div data-testid="highlights">Highlights</div>;
+		},
+);
+
+jest.mock(
+	'container/MetricsExplorer/MetricDetails/Metadata',
+	() =>
+		function MockMetadata(): JSX.Element {
+			return <div data-testid="metadata">Metadata</div>;
+		},
+);
+
+const useGetMetricMetadataMock = jest.spyOn(
+	metricsExplorerHooks,
+	'useGetMetricMetadata',
+);
+
 describe('MetricDetails', () => {
+	beforeEach(() => {
+		useGetMetricMetadataMock.mockReturnValue(getMockMetricMetadataData());
+	});
+
 	it('renders metric details correctly', () => {
 		render(
 			<MetricDetails
@@ -101,27 +92,15 @@ describe('MetricDetails', () => {
 		);
 
 		expect(screen.getByText(mockMetricName)).toBeInTheDocument();
-		expect(screen.getByText(mockMetricDescription)).toBeInTheDocument();
+		expect(screen.getByTestId('all-attributes')).toBeInTheDocument();
 		expect(
-			screen.getByText(getUniversalNameFromMetricUnit(mockMetricData.unit)),
+			screen.getByTestId('dashboards-and-alerts-popover'),
 		).toBeInTheDocument();
+		expect(screen.getByTestId('highlights')).toBeInTheDocument();
+		expect(screen.getByTestId('metadata')).toBeInTheDocument();
 	});
 
-	it('renders the "open in explorer" and "inspect" buttons', () => {
-		jest.spyOn(useGetMetricDetails, 'useGetMetricDetails').mockReturnValueOnce({
-			...mockUseGetMetricDetailsData,
-			data: {
-				payload: {
-					data: {
-						...mockMetricData,
-						metadata: {
-							...mockMetricData.metadata,
-							metric_type: MetricType.GAUGE,
-						},
-					},
-				},
-			},
-		} as any);
+	it('renders the "open in explorer" and "inspect" buttons', async () => {
 		render(
 			<MetricDetails
 				onClose={mockOnClose}
@@ -135,93 +114,10 @@ describe('MetricDetails', () => {
 		expect(screen.getByTestId('open-in-explorer-button')).toBeInTheDocument();
 		expect(screen.getByTestId('inspect-metric-button')).toBeInTheDocument();
 
-		fireEvent.click(screen.getByTestId('open-in-explorer-button'));
+		await userEvent.click(screen.getByTestId('open-in-explorer-button'));
 		expect(mockHandleExplorerTabChange).toHaveBeenCalled();
 
-		fireEvent.click(screen.getByTestId('inspect-metric-button'));
+		await userEvent.click(screen.getByTestId('inspect-metric-button'));
 		expect(mockOpenInspectModal).toHaveBeenCalled();
 	});
-
-	it('should render error state when metric details are not found', () => {
-		jest.spyOn(useGetMetricDetails, 'useGetMetricDetails').mockReturnValue({
-			...mockUseGetMetricDetailsData,
-			isError: true,
-			error: {
-				message: 'Error fetching metric details',
-			},
-		} as any);
-
-		render(
-			<MetricDetails
-				onClose={mockOnClose}
-				isOpen
-				metricName={mockMetricName}
-				isModalTimeSelection
-				openInspectModal={mockOpenInspectModal}
-			/>,
-		);
-
-		expect(screen.getByText('Error fetching metric details')).toBeInTheDocument();
-	});
-
-	it('should render loading state when metric details are loading', () => {
-		jest.spyOn(useGetMetricDetails, 'useGetMetricDetails').mockReturnValue({
-			...mockUseGetMetricDetailsData,
-			isLoading: true,
-		} as any);
-
-		render(
-			<MetricDetails
-				onClose={mockOnClose}
-				isOpen
-				metricName={mockMetricName}
-				isModalTimeSelection
-				openInspectModal={mockOpenInspectModal}
-			/>,
-		);
-
-		expect(screen.getByTestId('metric-details-skeleton')).toBeInTheDocument();
-	});
-
-	it('should render all attributes section', () => {
-		jest
-			.spyOn(useGetMetricDetails, 'useGetMetricDetails')
-			.mockReturnValue(mockUseGetMetricDetailsData as any);
-		render(
-			<MetricDetails
-				onClose={mockOnClose}
-				isOpen
-				metricName={mockMetricName}
-				isModalTimeSelection
-				openInspectModal={mockOpenInspectModal}
-			/>,
-		);
-
-		expect(screen.getByText('All Attributes')).toBeInTheDocument();
-	});
-
-	it('should not render all attributes section when relevant data is not present', () => {
-		jest.spyOn(useGetMetricDetails, 'useGetMetricDetails').mockReturnValue({
-			...mockUseGetMetricDetailsData,
-			data: {
-				payload: {
-					data: {
-						...mockMetricData,
-						attributes: null,
-					},
-				},
-			},
-		} as any);
-		render(
-			<MetricDetails
-				onClose={mockOnClose}
-				isOpen
-				metricName={mockMetricName}
-				isModalTimeSelection
-				openInspectModal={mockOpenInspectModal}
-			/>,
-		);
-
-		expect(screen.queryByText('All Attributes')).not.toBeInTheDocument();
-	});
 });

frontend/src/container/MetricsExplorer/MetricDetails/__tests__/testUtlls.ts

@@ -0,0 +1,168 @@
+import * as metricsExplorerHooks from 'api/generated/services/metrics';
+import {
+	GetMetricAlerts200,
+	GetMetricAttributes200,
+	GetMetricDashboards200,
+	GetMetricHighlights200,
+	GetMetricMetadata200,
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
+
+export const MOCK_METRIC_NAME = 'test-metric';
+
+export function getMockMetricHighlightsData(
+	overrides?: Partial<GetMetricHighlights200>,
+	{
+		isLoading = false,
+		isError = false,
+	}: {
+		isLoading?: boolean;
+		isError?: boolean;
+	} = {},
+): ReturnType<typeof metricsExplorerHooks.useGetMetricHighlights> {
+	return {
+		data: {
+			data: {
+				dataPoints: 1000000,
+				lastReceived: '2026-01-24T00:00:00Z',
+				totalTimeSeries: 1000000,
+				activeTimeSeries: 1000000,
+			},
+			status: 'success',
+			...overrides,
+		},
+		isLoading,
+		isError,
+	} as ReturnType<typeof metricsExplorerHooks.useGetMetricHighlights>;
+}
+
+export const MOCK_DASHBOARD_1 = {
+	dashboardName: 'Dashboard 1',
+	dashboardId: '1',
+	widgetId: '1',
+	widgetName: 'Widget 1',
+};
+export const MOCK_DASHBOARD_2 = {
+	dashboardName: 'Dashboard 2',
+	dashboardId: '2',
+	widgetId: '2',
+	widgetName: 'Widget 2',
+};
+export const MOCK_ALERT_1 = {
+	alertName: 'Alert 1',
+	alertId: '1',
+};
+export const MOCK_ALERT_2 = {
+	alertName: 'Alert 2',
+	alertId: '2',
+};
+
+export function getMockDashboardsData(
+	overrides?: Partial<GetMetricDashboards200>,
+	{
+		isLoading = false,
+		isError = false,
+	}: {
+		isLoading?: boolean;
+		isError?: boolean;
+	} = {},
+): ReturnType<typeof metricsExplorerHooks.useGetMetricDashboards> {
+	return {
+		data: {
+			data: {
+				dashboards: [MOCK_DASHBOARD_1, MOCK_DASHBOARD_2],
+			},
+			status: 'success',
+			...overrides,
+		},
+
+		isLoading,
+		isError,
+	} as ReturnType<typeof metricsExplorerHooks.useGetMetricDashboards>;
+}
+
+export function getMockAlertsData(
+	overrides?: Partial<GetMetricAlerts200>,
+	{
+		isLoading = false,
+		isError = false,
+	}: {
+		isLoading?: boolean;
+		isError?: boolean;
+	} = {},
+): ReturnType<typeof metricsExplorerHooks.useGetMetricAlerts> {
+	return {
+		data: {
+			data: {
+				alerts: [MOCK_ALERT_1, MOCK_ALERT_2],
+			},
+			status: 'success',
+			...overrides,
+		},
+		isLoading,
+		isError,
+	} as ReturnType<typeof metricsExplorerHooks.useGetMetricAlerts>;
+}
+
+export function getMockMetricAttributesData(
+	overrides?: Partial<GetMetricAttributes200>,
+	{
+		isLoading = false,
+		isError = false,
+	}: {
+		isLoading?: boolean;
+		isError?: boolean;
+	} = {},
+): ReturnType<typeof metricsExplorerHooks.useGetMetricAttributes> {
+	return {
+		data: {
+			data: {
+				attributes: [
+					{
+						key: 'attribute1',
+						values: ['value1', 'value2'],
+						valueCount: 2,
+					},
+					{
+						key: 'attribute2',
+						values: ['value3'],
+						valueCount: 1,
+					},
+				],
+				totalKeys: 2,
+			},
+			status: 'success',
+			...overrides,
+		},
+		isLoading,
+		isError,
+	} as ReturnType<typeof metricsExplorerHooks.useGetMetricAttributes>;
+}
+
+export function getMockMetricMetadataData(
+	overrides?: Partial<GetMetricMetadata200>,
+	{
+		isLoading = false,
+		isError = false,
+	}: {
+		isLoading?: boolean;
+		isError?: boolean;
+	} = {},
+): ReturnType<typeof metricsExplorerHooks.useGetMetricMetadata> {
+	return {
+		data: {
+			data: {
+				description: 'test_description',
+				type: MetrictypesTypeDTO.gauge,
+				unit: 'test_unit',
+				temporality: MetrictypesTemporalityDTO.delta,
+				isMonotonic: false,
+			},
+			status: 'success',
+			...overrides,
+		},
+		isLoading,
+		isError,
+	} as ReturnType<typeof metricsExplorerHooks.useGetMetricMetadata>;
+}

frontend/src/container/MetricsExplorer/MetricDetails/__tests__/utils.test.ts

@@ -1,5 +1,7 @@
-import { Temporality } from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
+import {
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
 
 import {
 	determineIsMonotonic,
@@ -10,35 +12,48 @@ import {
 describe('MetricDetails utils', () => {
 	describe('determineIsMonotonic', () => {
 		it('should return true for histogram metrics', () => {
-			expect(determineIsMonotonic(MetricType.HISTOGRAM)).toBe(true);
+			expect(determineIsMonotonic(MetrictypesTypeDTO.histogram)).toBe(true);
 		});
 
 		it('should return true for exponential histogram metrics', () => {
-			expect(determineIsMonotonic(MetricType.EXPONENTIAL_HISTOGRAM)).toBe(true);
-		});
-
-		it('should return false for gauge metrics', () => {
-			expect(determineIsMonotonic(MetricType.GAUGE)).toBe(false);
-		});
-
-		it('should return false for summary metrics', () => {
-			expect(determineIsMonotonic(MetricType.SUMMARY)).toBe(false);
-		});
-
-		it('should return true for sum metrics with cumulative temporality', () => {
-			expect(determineIsMonotonic(MetricType.SUM, Temporality.CUMULATIVE)).toBe(
+			expect(determineIsMonotonic(MetrictypesTypeDTO.exponentialhistogram)).toBe(
 				true,
 			);
 		});
 
+		it('should return false for gauge metrics', () => {
+			expect(determineIsMonotonic(MetrictypesTypeDTO.gauge)).toBe(false);
+		});
+
+		it('should return false for summary metrics', () => {
+			expect(determineIsMonotonic(MetrictypesTypeDTO.summary)).toBe(false);
+		});
+
+		it('should return true for sum metrics with cumulative temporality', () => {
+			expect(
+				determineIsMonotonic(
+					MetrictypesTypeDTO.sum,
+					MetrictypesTemporalityDTO.cumulative,
+				),
+			).toBe(true);
+		});
+
 		it('should return false for sum metrics with delta temporality', () => {
-			expect(determineIsMonotonic(MetricType.SUM, Temporality.DELTA)).toBe(false);
+			expect(
+				determineIsMonotonic(
+					MetrictypesTypeDTO.sum,
+					MetrictypesTemporalityDTO.delta,
+				),
+			).toBe(false);
 		});
 
 		it('should return false by default', () => {
-			expect(determineIsMonotonic('' as MetricType, '' as Temporality)).toBe(
-				false,
-			);
+			expect(
+				determineIsMonotonic(
+					'' as MetrictypesTypeDTO,
+					'' as MetrictypesTemporalityDTO,
+				),
+			).toBe(false);
 		});
 	});
 
@@ -115,13 +130,16 @@ describe('MetricDetails utils', () => {
 		const API_GATEWAY = 'api-gateway';
 
 		it('should create correct query for SUM metric type', () => {
-			const query = getMetricDetailsQuery(TEST_METRIC_NAME, MetricType.SUM);
+			const query = getMetricDetailsQuery(
+				TEST_METRIC_NAME,
+				MetrictypesTypeDTO.sum,
+			);
 
 			expect(query.builder.queryData[0]?.aggregateAttribute?.key).toBe(
 				TEST_METRIC_NAME,
 			);
 			expect(query.builder.queryData[0]?.aggregateAttribute?.type).toBe(
-				MetricType.SUM,
+				MetrictypesTypeDTO.sum,
 			);
 			expect(query.builder.queryData[0]?.aggregateOperator).toBe('rate');
 			expect(query.builder.queryData[0]?.timeAggregation).toBe('rate');
@@ -129,13 +147,16 @@ describe('MetricDetails utils', () => {
 		});
 
 		it('should create correct query for GAUGE metric type', () => {
-			const query = getMetricDetailsQuery(TEST_METRIC_NAME, MetricType.GAUGE);
+			const query = getMetricDetailsQuery(
+				TEST_METRIC_NAME,
+				MetrictypesTypeDTO.gauge,
+			);
 
 			expect(query.builder.queryData[0]?.aggregateAttribute?.key).toBe(
 				TEST_METRIC_NAME,
 			);
 			expect(query.builder.queryData[0]?.aggregateAttribute?.type).toBe(
-				MetricType.GAUGE,
+				MetrictypesTypeDTO.gauge,
 			);
 			expect(query.builder.queryData[0]?.aggregateOperator).toBe('avg');
 			expect(query.builder.queryData[0]?.timeAggregation).toBe('avg');
@@ -143,13 +164,16 @@ describe('MetricDetails utils', () => {
 		});
 
 		it('should create correct query for SUMMARY metric type', () => {
-			const query = getMetricDetailsQuery(TEST_METRIC_NAME, MetricType.SUMMARY);
+			const query = getMetricDetailsQuery(
+				TEST_METRIC_NAME,
+				MetrictypesTypeDTO.summary,
+			);
 
 			expect(query.builder.queryData[0]?.aggregateAttribute?.key).toBe(
 				TEST_METRIC_NAME,
 			);
 			expect(query.builder.queryData[0]?.aggregateAttribute?.type).toBe(
-				MetricType.SUMMARY,
+				MetrictypesTypeDTO.summary,
 			);
 			expect(query.builder.queryData[0]?.aggregateOperator).toBe('noop');
 			expect(query.builder.queryData[0]?.timeAggregation).toBe('noop');
@@ -157,13 +181,16 @@ describe('MetricDetails utils', () => {
 		});
 
 		it('should create correct query for HISTOGRAM metric type', () => {
-			const query = getMetricDetailsQuery(TEST_METRIC_NAME, MetricType.HISTOGRAM);
+			const query = getMetricDetailsQuery(
+				TEST_METRIC_NAME,
+				MetrictypesTypeDTO.histogram,
+			);
 
 			expect(query.builder.queryData[0]?.aggregateAttribute?.key).toBe(
 				TEST_METRIC_NAME,
 			);
 			expect(query.builder.queryData[0]?.aggregateAttribute?.type).toBe(
-				MetricType.HISTOGRAM,
+				MetrictypesTypeDTO.histogram,
 			);
 			expect(query.builder.queryData[0]?.aggregateOperator).toBe('noop');
 			expect(query.builder.queryData[0]?.timeAggregation).toBe('noop');
@@ -173,14 +200,14 @@ describe('MetricDetails utils', () => {
 		it('should create correct query for EXPONENTIAL_HISTOGRAM metric type', () => {
 			const query = getMetricDetailsQuery(
 				TEST_METRIC_NAME,
-				MetricType.EXPONENTIAL_HISTOGRAM,
+				MetrictypesTypeDTO.exponentialhistogram,
 			);
 
 			expect(query.builder.queryData[0]?.aggregateAttribute?.key).toBe(
 				TEST_METRIC_NAME,
 			);
 			expect(query.builder.queryData[0]?.aggregateAttribute?.type).toBe(
-				MetricType.EXPONENTIAL_HISTOGRAM,
+				MetrictypesTypeDTO.exponentialhistogram,
 			);
 			expect(query.builder.queryData[0]?.aggregateOperator).toBe('noop');
 			expect(query.builder.queryData[0]?.timeAggregation).toBe('noop');
@@ -203,7 +230,7 @@ describe('MetricDetails utils', () => {
 			const filter = { key: 'service', value: API_GATEWAY };
 			const query = getMetricDetailsQuery(
 				TEST_METRIC_NAME,
-				MetricType.SUM,
+				MetrictypesTypeDTO.sum,
 				filter,
 			);
 
@@ -221,7 +248,7 @@ describe('MetricDetails utils', () => {
 			const groupBy = 'service';
 			const query = getMetricDetailsQuery(
 				TEST_METRIC_NAME,
-				MetricType.SUM,
+				MetrictypesTypeDTO.sum,
 				undefined,
 				groupBy,
 			);
@@ -236,7 +263,7 @@ describe('MetricDetails utils', () => {
 			const groupBy = 'endpoint';
 			const query = getMetricDetailsQuery(
 				TEST_METRIC_NAME,
-				MetricType.SUM,
+				MetrictypesTypeDTO.sum,
 				filter,
 				groupBy,
 			);
@@ -250,7 +277,10 @@ describe('MetricDetails utils', () => {
 		});
 
 		it('should not include filters or groupBy when not provided', () => {
-			const query = getMetricDetailsQuery(TEST_METRIC_NAME, MetricType.SUM);
+			const query = getMetricDetailsQuery(
+				TEST_METRIC_NAME,
+				MetrictypesTypeDTO.sum,
+			);
 
 			expect(query.builder.queryData[0]?.filters?.items).toHaveLength(0);
 			expect(query.builder.queryData[0]?.groupBy).toHaveLength(0);

frontend/src/container/MetricsExplorer/MetricDetails/constants.ts

@@ -1,6 +1,55 @@
+import {
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
+
 export const METRIC_METADATA_KEYS = {
 	description: 'Description',
 	unit: 'Unit',
-	metric_type: 'Metric Type',
+	type: 'Metric Type',
 	temporality: 'Temporality',
+	isMonotonic: 'Monotonic',
 };
+
+export const METRIC_METADATA_TEMPORALITY_OPTIONS: Array<{
+	value: MetrictypesTemporalityDTO;
+	label: string;
+}> = [
+	{
+		value: MetrictypesTemporalityDTO.delta,
+		label: 'Delta',
+	},
+	{
+		value: MetrictypesTemporalityDTO.cumulative,
+		label: 'Cumulative',
+	},
+];
+
+export const METRIC_METADATA_TYPE_OPTIONS: Array<{
+	value: MetrictypesTypeDTO;
+	label: string;
+}> = [
+	{
+		value: MetrictypesTypeDTO.sum,
+		label: 'Sum',
+	},
+	{
+		value: MetrictypesTypeDTO.gauge,
+		label: 'Gauge',
+	},
+	{
+		value: MetrictypesTypeDTO.histogram,
+		label: 'Histogram',
+	},
+	{
+		value: MetrictypesTypeDTO.summary,
+		label: 'Summary',
+	},
+	{
+		value: MetrictypesTypeDTO.exponentialhistogram,
+		label: 'Exponential Histogram',
+	},
+];
+
+export const METRIC_METADATA_UPDATE_ERROR_MESSAGE =
+	'Failed to update metadata, please try again. If the issue persists, please contact support.';

frontend/src/container/MetricsExplorer/MetricDetails/types.ts

@@ -1,34 +1,39 @@
 import {
-	MetricDetails,
-	MetricDetailsAlert,
-	MetricDetailsAttribute,
-	MetricDetailsDashboard,
-} from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
+	MetricsexplorertypesMetricAlertDTO,
+	MetricsexplorertypesMetricAttributeDTO,
+	MetricsexplorertypesMetricDashboardDTO,
+	MetricsexplorertypesMetricHighlightsResponseDTO,
+	MetricsexplorertypesMetricMetadataDTO,
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
 
 export interface MetricDetailsProps {
 	onClose: () => void;
 	isOpen: boolean;
-	metricName: string | null;
+	metricName: string;
 	isModalTimeSelection: boolean;
 	openInspectModal?: (metricName: string) => void;
 }
 
+export interface HighlightsProps {
+	metricName: string;
+}
 export interface DashboardsAndAlertsPopoverProps {
-	dashboards: MetricDetailsDashboard[] | null;
-	alerts: MetricDetailsAlert[] | null;
+	metricName: string;
 }
 
 export interface MetadataProps {
 	metricName: string;
-	metadata: MetricDetails['metadata'] | undefined;
-	refetchMetricDetails: () => void;
+	metadata: MetricMetadata | null;
+	isErrorMetricMetadata: boolean;
+	isLoadingMetricMetadata: boolean;
+	refetchMetricMetadata: () => void;
 }
 
 export interface AllAttributesProps {
-	attributes: MetricDetailsAttribute[];
 	metricName: string;
-	metricType: MetricType | undefined;
+	metricType: MetrictypesTypeDTO | undefined;
 }
 
 export interface AllAttributesValueProps {
@@ -36,3 +41,38 @@ export interface AllAttributesValueProps {
 	filterValue: string[];
 	goToMetricsExploreWithAppliedAttribute: (key: string, value: string) => void;
 }
+
+export interface AllAttributesEmptyTextProps {
+	isErrorAttributes: boolean;
+	refetchAttributes: () => void;
+}
+
+export type MetricHighlight = MetricsexplorertypesMetricHighlightsResponseDTO;
+
+export type MetricAlert = MetricsexplorertypesMetricAlertDTO;
+
+export type MetricDashboard = MetricsexplorertypesMetricDashboardDTO;
+
+export type MetricMetadata = MetricsexplorertypesMetricMetadataDTO;
+export interface MetricMetadataFormState {
+	type: MetrictypesTypeDTO;
+	description: string;
+	temporality?: MetrictypesTemporalityDTO;
+	unit: string;
+	isMonotonic: boolean;
+}
+
+export type MetricAttribute = MetricsexplorertypesMetricAttributeDTO;
+
+export enum TableFields {
+	DESCRIPTION = 'description',
+	UNIT = 'unit',
+	TYPE = 'type',
+	Temporality = 'temporality',
+	IS_MONOTONIC = 'isMonotonic',
+}
+
+export interface MetricDetailsErrorStateProps {
+	refetch?: () => void;
+	errorMessage: string;
+}

frontend/src/container/MetricsExplorer/MetricDetails/utils.tsx

@@ -1,12 +1,23 @@
-import { Temporality } from 'api/metricsExplorer/getMetricDetails';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
+import { UpdateMetricMetadataMutationBody } from 'api/generated/services/metrics';
+import {
+	GetMetricMetadata200,
+	MetrictypesTemporalityDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
 import { SpaceAggregation, TimeAggregation } from 'api/v5/v5';
 import { initialQueriesMap } from 'constants/queryBuilder';
 import { DataTypes } from 'types/api/queryBuilder/queryAutocompleteResponse';
 import { Query } from 'types/api/queryBuilder/queryBuilderData';
 import { DataSource, ReduceOperators } from 'types/common/queryBuilder';
 
-export function formatTimestampToReadableDate(timestamp: string): string {
+import { MetricMetadata, MetricMetadataFormState } from './types';
+
+export function formatTimestampToReadableDate(
+	timestamp: number | string | undefined,
+): string {
+	if (!timestamp) {
+		return '-';
+	}
 	const date = new Date(timestamp);
 	const now = new Date();
 	const diffInSeconds = Math.floor((now.getTime() - date.getTime()) / 1000);
@@ -39,7 +50,10 @@ export function formatTimestampToReadableDate(timestamp: string): string {
 	return date.toLocaleDateString();
 }
 
-export function formatNumberToCompactFormat(num: number): string {
+export function formatNumberToCompactFormat(num: number | undefined): string {
+	if (!num) {
+		return '-';
+	}
 	return new Intl.NumberFormat('en-US', {
 		notation: 'compact',
 		maximumFractionDigits: 1,
@@ -47,27 +61,30 @@ export function formatNumberToCompactFormat(num: number): string {
 }
 
 export function determineIsMonotonic(
-	metricType: MetricType,
-	temporality?: Temporality,
+	metricType: MetrictypesTypeDTO,
+	temporality?: MetrictypesTemporalityDTO,
 ): boolean {
 	if (
-		metricType === MetricType.HISTOGRAM ||
-		metricType === MetricType.EXPONENTIAL_HISTOGRAM
+		metricType === MetrictypesTypeDTO.histogram ||
+		metricType === MetrictypesTypeDTO.exponentialhistogram
 	) {
 		return true;
 	}
-	if (metricType === MetricType.GAUGE || metricType === MetricType.SUMMARY) {
+	if (
+		metricType === MetrictypesTypeDTO.gauge ||
+		metricType === MetrictypesTypeDTO.summary
+	) {
 		return false;
 	}
-	if (metricType === MetricType.SUM) {
-		return temporality === Temporality.CUMULATIVE;
+	if (metricType === MetrictypesTypeDTO.sum) {
+		return temporality === MetrictypesTemporalityDTO.cumulative;
 	}
 	return false;
 }
 
 export function getMetricDetailsQuery(
 	metricName: string,
-	metricType: MetricType | undefined,
+	metricType: MetrictypesTypeDTO | undefined,
 	filter?: { key: string; value: string },
 	groupBy?: string,
 ): Query {
@@ -75,23 +92,23 @@ export function getMetricDetailsQuery(
 	let spaceAggregation;
 	let aggregateOperator;
 	switch (metricType) {
-		case MetricType.SUM:
+		case MetrictypesTypeDTO.sum:
 			timeAggregation = 'rate';
 			spaceAggregation = 'sum';
 			aggregateOperator = 'rate';
 			break;
-		case MetricType.GAUGE:
+		case MetrictypesTypeDTO.gauge:
 			timeAggregation = 'avg';
 			spaceAggregation = 'avg';
 			aggregateOperator = 'avg';
 			break;
-		case MetricType.SUMMARY:
+		case MetrictypesTypeDTO.summary:
 			timeAggregation = 'noop';
 			spaceAggregation = 'sum';
 			aggregateOperator = 'noop';
 			break;
-		case MetricType.HISTOGRAM:
-		case MetricType.EXPONENTIAL_HISTOGRAM:
+		case MetrictypesTypeDTO.histogram:
+		case MetrictypesTypeDTO.exponentialhistogram:
 			timeAggregation = 'noop';
 			spaceAggregation = 'p90';
 			aggregateOperator = 'noop';
@@ -160,3 +177,38 @@ export function getMetricDetailsQuery(
 		},
 	};
 }
+
+export function transformMetricMetadata(
+	apiData: GetMetricMetadata200 | undefined,
+): MetricMetadata | null {
+	if (!apiData || !apiData.data) {
+		return null;
+	}
+	const { type, description, unit, temporality, isMonotonic } = apiData.data;
+
+	return {
+		type,
+		description,
+		unit,
+		temporality,
+		isMonotonic,
+	};
+}
+
+export function transformUpdateMetricMetadataRequest(
+	metricName: string,
+	metricMetadata: MetricMetadataFormState,
+): UpdateMetricMetadataMutationBody {
+	return {
+		metricName: metricName,
+		type: metricMetadata.type,
+		description: metricMetadata.description,
+		unit: metricMetadata.unit,
+		temporality:
+			metricMetadata.temporality ?? MetrictypesTemporalityDTO.unspecified,
+		isMonotonic: determineIsMonotonic(
+			metricMetadata.type,
+			metricMetadata.temporality,
+		),
+	};
+}

frontend/src/container/MetricsExplorer/Summary/Summary.tsx

@@ -5,6 +5,7 @@ import { useSearchParams } from 'react-router-dom-v5-compat';
 import * as Sentry from '@sentry/react';
 import logEvent from 'api/common/logEvent';
 import { initialQueriesMap } from 'constants/queryBuilder';
+import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
 import { usePageSize } from 'container/InfraMonitoringK8s/utils';
 import NoLogs from 'container/NoLogs/NoLogs';
 import { useGetMetricsList } from 'hooks/metricsExplorer/useGetMetricsList';
@@ -128,7 +129,7 @@ function Summary(): JSX.Element {
 	} = useGetMetricsList(metricsListQuery, {
 		enabled: !!metricsListQuery && !isInspectModalOpen,
 		queryKey: [
-			'metricsList',
+			REACT_QUERY_KEY.GET_METRICS_LIST,
 			queryFiltersWithoutId,
 			orderBy,
 			pageSize,
@@ -323,7 +324,7 @@ function Summary(): JSX.Element {
 					</>
 				)}
 			</div>
-			{isMetricDetailsOpen && (
+			{isMetricDetailsOpen && selectedMetricName && (
 				<MetricDetails
 					isOpen={isMetricDetailsOpen}
 					onClose={closeMetricDetails}

frontend/src/container/MetricsExplorer/Summary/constants.ts

@@ -1,3 +1,4 @@
+import { MetrictypesTypeDTO } from 'api/generated/services/sigNoz.schemas';
 import { MetricType } from 'api/metricsExplorer/getMetricsList';
 
 import { TreemapViewType } from './types';
@@ -25,7 +26,16 @@ export const METRIC_TYPE_LABEL_MAP = {
 	[MetricType.EXPONENTIAL_HISTOGRAM]: 'Exp. Histogram',
 };
 
-export const METRIC_TYPE_VALUES_MAP = {
+export const METRIC_TYPE_VIEW_LABEL_MAP: Record<MetrictypesTypeDTO, string> = {
+	[MetrictypesTypeDTO.sum]: 'Sum',
+	[MetrictypesTypeDTO.gauge]: 'Gauge',
+	[MetrictypesTypeDTO.histogram]: 'Histogram',
+	[MetrictypesTypeDTO.summary]: 'Summary',
+	[MetrictypesTypeDTO.exponentialhistogram]: 'Exp. Histogram',
+};
+
+// TODO(@amlannandy): To remove this once API migration is complete
+export const METRIC_TYPE_VALUES_MAP: Record<MetricType, string> = {
 	[MetricType.SUM]: 'Sum',
 	[MetricType.GAUGE]: 'Gauge',
 	[MetricType.HISTOGRAM]: 'Histogram',
@@ -33,6 +43,14 @@ export const METRIC_TYPE_VALUES_MAP = {
 	[MetricType.EXPONENTIAL_HISTOGRAM]: 'ExponentialHistogram',
 };
 
+export const METRIC_TYPE_VIEW_VALUES_MAP: Record<MetrictypesTypeDTO, string> = {
+	[MetrictypesTypeDTO.sum]: 'Sum',
+	[MetrictypesTypeDTO.gauge]: 'Gauge',
+	[MetrictypesTypeDTO.histogram]: 'Histogram',
+	[MetrictypesTypeDTO.summary]: 'Summary',
+	[MetrictypesTypeDTO.exponentialhistogram]: 'ExponentialHistogram',
+};
+
 export const IS_METRIC_DETAILS_OPEN_KEY = 'isMetricDetailsOpen';
 export const IS_INSPECT_MODAL_OPEN_KEY = 'isInspectModalOpen';
 export const SELECTED_METRIC_NAME_KEY = 'selectedMetricName';

frontend/src/container/MetricsExplorer/Summary/utils.tsx

@@ -2,6 +2,7 @@ import { useMemo } from 'react';
 import { Color } from '@signozhq/design-tokens';
 import { Tooltip, Typography } from 'antd';
 import { ColumnType } from 'antd/es/table';
+import { MetrictypesTypeDTO } from 'api/generated/services/sigNoz.schemas';
 import {
 	MetricsListItemData,
 	MetricsListPayload,
@@ -21,7 +22,7 @@ import {
 } from 'lucide-react';
 import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
 
-import { METRIC_TYPE_LABEL_MAP } from './constants';
+import { METRIC_TYPE_LABEL_MAP, METRIC_TYPE_VIEW_LABEL_MAP } from './constants';
 import MetricNameSearch from './MetricNameSearch';
 import MetricTypeSearch from './MetricTypeSearch';
 import { MetricsListItemRowData, TreemapTile, TreemapViewType } from './types';
@@ -143,6 +144,66 @@ export function MetricTypeRenderer({
 	);
 }
 
+export function MetricTypeViewRenderer({
+	type,
+}: {
+	type: MetrictypesTypeDTO;
+}): JSX.Element {
+	const [icon, color] = useMemo(() => {
+		switch (type) {
+			case MetrictypesTypeDTO.sum:
+				return [
+					<Diff key={type} size={12} color={Color.BG_ROBIN_500} />,
+					Color.BG_ROBIN_500,
+				];
+			case MetrictypesTypeDTO.gauge:
+				return [
+					<Gauge key={type} size={12} color={Color.BG_SAKURA_500} />,
+					Color.BG_SAKURA_500,
+				];
+			case MetrictypesTypeDTO.histogram:
+				return [
+					<BarChart2 key={type} size={12} color={Color.BG_SIENNA_500} />,
+					Color.BG_SIENNA_500,
+				];
+			case MetrictypesTypeDTO.summary:
+				return [
+					<BarChartHorizontal key={type} size={12} color={Color.BG_FOREST_500} />,
+					Color.BG_FOREST_500,
+				];
+			case MetrictypesTypeDTO.exponentialhistogram:
+				return [
+					<BarChart key={type} size={12} color={Color.BG_AQUA_500} />,
+					Color.BG_AQUA_500,
+				];
+			default:
+				return [null, ''];
+		}
+	}, [type]);
+
+	const metricTypeRendererStyle = useMemo(
+		() => ({
+			backgroundColor: `${color}33`,
+			border: `1px solid ${color}`,
+			color,
+		}),
+		[color],
+	);
+
+	const metricTypeRendererTextStyle = useMemo(() => ({ color, fontSize: 12 }), [
+		color,
+	]);
+
+	return (
+		<div className="metric-type-renderer" style={metricTypeRendererStyle}>
+			{icon}
+			<Typography.Text style={metricTypeRendererTextStyle}>
+				{METRIC_TYPE_VIEW_LABEL_MAP[type]}
+			</Typography.Text>
+		</div>
+	);
+}
+
 function ValidateRowValueWrapper({
 	value,
 	children,
@@ -160,6 +221,9 @@ export const formatNumberIntoHumanReadableFormat = (
 	num: number,
 	addPlusSign = true,
 ): string => {
+	if (!num) {
+		return '-';
+	}
 	function format(num: number, divisor: number, suffix: string): string {
 		const value = num / divisor;
 		return value % 1 === 0

frontend/src/container/NewWidget/RightContainer/LegendColors/LegendColors.test.tsx

@@ -0,0 +1,131 @@
+import { ColorPickerProps } from 'antd';
+import { Color } from 'antd/es/color-picker';
+import { render, screen, userEvent } from 'tests/test-utils';
+
+import LegendColors from './LegendColors';
+
+jest.mock('hooks/queryBuilder/useQueryBuilder', () => ({
+	__esModule: true,
+	useQueryBuilder: (): { currentQuery: unknown } => ({
+		currentQuery: {
+			builder: {
+				queryData: [
+					{
+						queryName: 'A',
+						legend: '{service.name}',
+					},
+				],
+			},
+		},
+	}),
+}));
+
+jest.mock('hooks/useDarkMode', () => ({
+	useIsDarkMode: (): boolean => false,
+}));
+
+jest.mock('antd', () => {
+	const actual = jest.requireActual('antd');
+	return {
+		...actual,
+		ColorPicker: ({ onChange, children }: ColorPickerProps): JSX.Element => (
+			<button
+				type="button"
+				data-testid="legend-color-picker"
+				onClick={(): void =>
+					onChange!({ toHexString: (): string => '#ffffff' } as Color, '#ffffff')
+				}
+			>
+				{children}
+			</button>
+		),
+	};
+});
+
+describe('LegendColors', () => {
+	it('renders legend colors panel and items', async () => {
+		const user = userEvent.setup();
+
+		render(
+			<LegendColors
+				customLegendColors={{}}
+				setCustomLegendColors={jest.fn()}
+				queryResponse={undefined}
+			/>,
+		);
+
+		expect(screen.getByText('Legend Colors')).toBeInTheDocument();
+
+		// Expand the collapse to reveal legend items
+		await user.click(
+			screen.getByRole('tab', {
+				name: /Legend Colors/i,
+			}),
+		);
+
+		expect(screen.getByText('{service.name}')).toBeInTheDocument();
+	});
+
+	it('calls setCustomLegendColors when color is changed', async () => {
+		const user = userEvent.setup();
+		const setCustomLegendColors = jest.fn();
+
+		render(
+			<LegendColors
+				customLegendColors={{}}
+				setCustomLegendColors={setCustomLegendColors}
+				queryResponse={undefined}
+			/>,
+		);
+
+		// Expand to render the mocked ColorPicker button
+		await user.click(
+			screen.getByRole('tab', {
+				name: /Legend Colors/i,
+			}),
+		);
+
+		const colorTrigger = screen.getByTestId('legend-color-picker');
+
+		await user.click(colorTrigger);
+
+		expect(setCustomLegendColors).toHaveBeenCalled();
+	});
+
+	it('throttles rapid color changes', async () => {
+		jest.useFakeTimers();
+		const user = userEvent.setup({ advanceTimers: jest.advanceTimersByTime });
+		const setCustomLegendColors = jest.fn();
+
+		render(
+			<LegendColors
+				customLegendColors={{}}
+				setCustomLegendColors={setCustomLegendColors}
+				queryResponse={undefined}
+			/>,
+		);
+
+		// Expand panel to render the mocked ColorPicker button
+		await user.click(
+			screen.getByRole('tab', {
+				name: /Legend Colors/i,
+			}),
+		);
+
+		const colorTrigger = screen.getByTestId('legend-color-picker');
+
+		// Fire multiple rapid changes
+		await user.click(colorTrigger);
+		await user.click(colorTrigger);
+		await user.click(colorTrigger);
+		await user.click(colorTrigger);
+
+		// Flush pending throttled calls
+		jest.advanceTimersByTime(500);
+
+		// Throttling should ensure we don't invoke the setter once per click
+		expect(setCustomLegendColors).toHaveBeenCalledTimes(2);
+
+		jest.useRealTimers();
+	});
+});

frontend/src/container/NewWidget/RightContainer/LegendColors/LegendColors.tsx

@@ -14,6 +14,7 @@ import { useIsDarkMode } from 'hooks/useDarkMode';
 import { getLegend } from 'lib/dashboard/getQueryResults';
 import getLabelName from 'lib/getLabelName';
 import { generateColor } from 'lib/uPlotLib/utils/generateColor';
+import throttle from 'lodash-es/throttle';
 import { Palette } from 'lucide-react';
 import { SuccessResponse } from 'types/api';
 import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
@@ -95,13 +96,24 @@ function LegendColors({
 		);
 	};
 
-	// Handle color change
-	const handleColorChange = (label: string, color: string): void => {
-		setCustomLegendColors((prev) => ({
-			...prev,
-			[label]: color,
-		}));
-	};
+	// Handle color change (throttled to avoid excessive updates)
+	const handleColorChange = useMemo(
+		() =>
+			throttle((label: string, color: string): void => {
+				setCustomLegendColors((prev) => ({
+					...prev,
+					[label]: color,
+				}));
+			}, 200), // 200ms is a good compromise between responsiveness and performance
+		[setCustomLegendColors],
+	);
+
+	// Clean up throttled handler on unmount
+	useEffect(() => {
+		return (): void => {
+			handleColorChange.cancel();
+		};
+	}, [handleColorChange]);
 
 	// Reset to default color
 	const resetToDefault = (label: string): void => {

frontend/src/container/PipelinePage/PipelineListsView/AddNewPipeline/FormFields/FilterInput/index.tsx

@@ -1,7 +1,7 @@
 import { useTranslation } from 'react-i18next';
 import { Form } from 'antd';
 import { initialQueryBuilderFormValuesMap } from 'constants/queryBuilder';
-import QueryBuilderSearch from 'container/QueryBuilder/filters/QueryBuilderSearch';
+import QueryBuilderSearchV2 from 'container/QueryBuilder/filters/QueryBuilderSearchV2/QueryBuilderSearchV2';
 import isEqual from 'lodash-es/isEqual';
 import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
 
@@ -30,7 +30,7 @@ function TagFilterInput({
 	};
 
 	return (
-		<QueryBuilderSearch
+		<QueryBuilderSearchV2
 			query={query}
 			onChange={onQueryChange}
 			placeholder={placeholder}

frontend/src/container/PipelinePage/tests/PipelineListsView.test.tsx

@@ -86,7 +86,7 @@ jest.mock('providers/preferences/sync/usePreferenceSync', () => ({
 }));
 
 const BASE_URL = ENVIRONMENT.baseURL;
-const attributeKeysURL = `${BASE_URL}/api/v3/autocomplete/attribute_keys`;
+const attributeKeysURL = `${BASE_URL}/api/v3/filter_suggestions`;
 
 describe('PipelinePage container test', () => {
 	beforeAll(() => {
@@ -333,26 +333,34 @@ describe('PipelinePage container test', () => {
 					ctx.json({
 						status: 'success',
 						data: {
-							attributeKeys: [
+							attributes: [
 								{
 									key: 'otelServiceName',
 									dataType: DataTypes.String,
 									type: 'tag',
+									isColumn: false,
+									isJSON: false,
+								},
+								{
+									key: 'service.name',
+									dataType: DataTypes.String,
+									type: 'resource',
+									isColumn: false,
+									isJSON: false,
 								},
 								{
 									key: 'service.instance.id',
 									dataType: DataTypes.String,
 									type: 'resource',
-								},
-								{
-									key: 'service.name',
-									dataType: DataTypes.String,
-									type: 'resource',
+									isColumn: false,
+									isJSON: false,
 								},
 								{
 									key: 'service.name',
 									dataType: DataTypes.String,
 									type: 'tag',
+									isColumn: false,
+									isJSON: false,
 								},
 							],
 						},

frontend/src/container/QueryBuilder/filters/QueryBuilderSearchV2/QueryBuilderSearchV2.tsx

@@ -973,6 +973,7 @@ function QueryBuilderSearchV2(
 	return (
 		<div className="query-builder-search-v2">
 			<Select
+				data-testid={'qb-search-select'}
 				ref={selectRef}
 				// eslint-disable-next-line react/jsx-props-no-spreading
 				{...(hasPopupContainer ? { getPopupContainer: popupContainer } : {})}

frontend/src/hooks/logs/__tests__/useLogDetailHandlers.test.ts

@@ -0,0 +1,94 @@
+import { act, renderHook } from '@testing-library/react';
+import { useActiveLog } from 'hooks/logs/useActiveLog';
+import { useIsTextSelected } from 'hooks/useIsTextSelected';
+import { ILog } from 'types/api/logs/log';
+
+import useLogDetailHandlers from '../useLogDetailHandlers';
+
+jest.mock('hooks/logs/useActiveLog');
+jest.mock('hooks/useIsTextSelected');
+
+const mockOnSetActiveLog = jest.fn();
+const mockOnClearActiveLog = jest.fn();
+const mockOnAddToQuery = jest.fn();
+const mockOnGroupByAttribute = jest.fn();
+const mockIsTextSelected = jest.fn();
+
+const mockLog: ILog = {
+	id: 'log-1',
+	timestamp: '2024-01-01T00:00:00Z',
+	date: '2024-01-01',
+	body: 'test log body',
+	severityText: 'INFO',
+	severityNumber: 9,
+	traceFlags: 0,
+	traceId: '',
+	spanID: '',
+	attributesString: {},
+	attributesInt: {},
+	attributesFloat: {},
+	resources_string: {},
+	scope_string: {},
+	attributes_string: {},
+	severity_text: '',
+	severity_number: 0,
+};
+
+beforeEach(() => {
+	jest.clearAllMocks();
+
+	jest.mocked(useIsTextSelected).mockReturnValue(mockIsTextSelected);
+
+	jest.mocked(useActiveLog).mockReturnValue({
+		activeLog: null,
+		onSetActiveLog: mockOnSetActiveLog,
+		onClearActiveLog: mockOnClearActiveLog,
+		onAddToQuery: mockOnAddToQuery,
+		onGroupByAttribute: mockOnGroupByAttribute,
+	});
+});
+
+it('should not open log detail when text is selected', () => {
+	mockIsTextSelected.mockReturnValue(true);
+
+	const { result } = renderHook(() => useLogDetailHandlers());
+
+	act(() => {
+		result.current.handleSetActiveLog(mockLog);
+	});
+
+	expect(mockOnSetActiveLog).not.toHaveBeenCalled();
+});
+
+it('should open log detail when no text is selected', () => {
+	mockIsTextSelected.mockReturnValue(false);
+
+	const { result } = renderHook(() => useLogDetailHandlers());
+
+	act(() => {
+		result.current.handleSetActiveLog(mockLog);
+	});
+
+	expect(mockOnSetActiveLog).toHaveBeenCalledWith(mockLog);
+});
+
+it('should toggle off when clicking the same active log', () => {
+	mockIsTextSelected.mockReturnValue(false);
+
+	jest.mocked(useActiveLog).mockReturnValue({
+		activeLog: mockLog,
+		onSetActiveLog: mockOnSetActiveLog,
+		onClearActiveLog: mockOnClearActiveLog,
+		onAddToQuery: mockOnAddToQuery,
+		onGroupByAttribute: mockOnGroupByAttribute,
+	});
+
+	const { result } = renderHook(() => useLogDetailHandlers());
+
+	act(() => {
+		result.current.handleSetActiveLog(mockLog);
+	});
+
+	expect(mockOnClearActiveLog).toHaveBeenCalled();
+	expect(mockOnSetActiveLog).not.toHaveBeenCalled();
+});

frontend/src/hooks/logs/useActiveLog.ts

@@ -1,15 +1,17 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { useQueryClient } from 'react-query';
 import { useDispatch, useSelector } from 'react-redux';
 import { useHistory, useLocation } from 'react-router-dom';
 import { getAggregateKeys } from 'api/queryBuilder/getAttributeKeys';
 import { SOMETHING_WENT_WRONG } from 'constants/api';
+import { QueryParams } from 'constants/query';
 import { OPERATORS, QueryBuilderKeys } from 'constants/queryBuilder';
 import ROUTES from 'constants/routes';
 import { MetricsType } from 'container/MetricsApplication/constant';
 import { getOperatorValue } from 'container/QueryBuilder/filters/QueryBuilderSearch/utils';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useNotifications } from 'hooks/useNotifications';
+import useUrlQuery from 'hooks/useUrlQuery';
 import { getGeneratedFilterQueryString } from 'lib/getGeneratedFilterQueryString';
 import { chooseAutocompleteFromCustomValue } from 'lib/newQueryBuilder/chooseAutocompleteFromCustomValue';
 import { AppState } from 'store/reducers';
@@ -54,6 +56,20 @@ export const useActiveLog = (): UseActiveLog => {
 
 	const [activeLog, setActiveLog] = useState<ILog | null>(null);
 
+	// Close drawer/clear active log when query in URL changes
+	const urlQuery = useUrlQuery();
+	const compositeQuery = urlQuery.get(QueryParams.compositeQuery) ?? '';
+	const prevQueryRef = useRef<string | null>(null);
+	useEffect(() => {
+		if (
+			prevQueryRef.current !== null &&
+			prevQueryRef.current !== compositeQuery
+		) {
+			setActiveLog(null);
+		}
+		prevQueryRef.current = compositeQuery;
+	}, [compositeQuery]);
+
 	const onSetDetailedLogData = useCallback(
 		(logData: ILog) => {
 			dispatch({

frontend/src/hooks/logs/useLogDetailHandlers.ts

@@ -2,6 +2,7 @@ import { useCallback, useState } from 'react';
 import { VIEW_TYPES } from 'components/LogDetail/constants';
 import type { UseActiveLog } from 'hooks/logs/types';
 import { useActiveLog } from 'hooks/logs/useActiveLog';
+import { useIsTextSelected } from 'hooks/useIsTextSelected';
 import { ILog } from 'types/api/logs/log';
 
 type SelectedTab = typeof VIEW_TYPES[keyof typeof VIEW_TYPES] | undefined;
@@ -28,9 +29,13 @@ function useLogDetailHandlers({
 		onAddToQuery,
 	} = useActiveLog();
 	const [selectedTab, setSelectedTab] = useState<SelectedTab>(defaultTab);
+	const isTextSelected = useIsTextSelected();
 
 	const handleSetActiveLog = useCallback(
 		(log: ILog, nextTab: SelectedTab = defaultTab): void => {
+			if (isTextSelected()) {
+				return;
+			}
 			if (activeLog?.id === log.id) {
 				onClearActiveLog();
 				setSelectedTab(undefined);
@@ -39,7 +44,7 @@ function useLogDetailHandlers({
 			onSetActiveLog(log);
 			setSelectedTab(nextTab ?? defaultTab);
 		},
-		[activeLog?.id, defaultTab, onClearActiveLog, onSetActiveLog],
+		[activeLog?.id, defaultTab, onClearActiveLog, onSetActiveLog, isTextSelected],
 	);
 
 	const handleCloseLogDetail = useCallback((): void => {

frontend/src/hooks/metricsExplorer/useGetMultipleMetrics.ts

@@ -1,32 +1,37 @@
 import { useQueries, UseQueryOptions, UseQueryResult } from 'react-query';
-import { getMetricMetadata } from 'api/metricsExplorer/v2/getMetricMetadata';
-import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
-import { SuccessResponseV2 } from 'types/api';
-import { MetricMetadataResponse } from 'types/api/metricsExplorer/v2/getMetricMetadata';
+import {
+	getGetMetricMetadataQueryKey,
+	getMetricMetadata,
+} from 'api/generated/services/metrics';
+import { GetMetricMetadata200 } from 'api/generated/services/sigNoz.schemas';
 
-type QueryResult = UseQueryResult<
-	SuccessResponseV2<MetricMetadataResponse>,
-	Error
->;
+type QueryResult = UseQueryResult<GetMetricMetadata200, Error>;
 
 type UseGetMultipleMetrics = (
 	metricNames: string[],
-	options?: UseQueryOptions<SuccessResponseV2<MetricMetadataResponse>, Error>,
+	options?: UseQueryOptions<GetMetricMetadata200, Error>,
 	headers?: Record<string, string>,
 ) => QueryResult[];
 
 export const useGetMultipleMetrics: UseGetMultipleMetrics = (
 	metricNames,
 	options,
-	headers,
 ) =>
 	useQueries(
 		metricNames.map(
 			(metricName) =>
 				({
-					queryKey: [REACT_QUERY_KEY.GET_METRIC_METADATA, metricName],
-					queryFn: ({ signal }) => getMetricMetadata(metricName, signal, headers),
+					queryKey: getGetMetricMetadataQueryKey({
+						metricName,
+					}),
+					queryFn: ({ signal }) =>
+						getMetricMetadata(
+							{
+								metricName,
+							},
+							signal,
+						),
 					...options,
-				} as UseQueryOptions<SuccessResponseV2<MetricMetadataResponse>, Error>),
+				} as UseQueryOptions<GetMetricMetadata200, Error>),
 		),
 	);

frontend/src/hooks/useGetYAxisUnit.test.ts

@@ -1,7 +1,7 @@
 import { renderHook } from '@testing-library/react';
+import { MetricsexplorertypesMetricMetadataDTO } from 'api/generated/services/sigNoz.schemas';
 import { UniversalYAxisUnit } from 'components/YAxisUnitSelector/types';
 import { useGetMetrics } from 'container/MetricsExplorer/Explorer/utils';
-import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
 import { Query } from 'types/api/queryBuilder/queryBuilderData';
 import { EQueryType } from 'types/common/dashboard';
 import { DataSource, QueryBuilderContextType } from 'types/common/queryBuilder';
@@ -24,13 +24,13 @@ const mockUseGetMetrics = useGetMetrics as jest.MockedFunction<
 
 const MOCK_METRIC_1 = {
 	unit: UniversalYAxisUnit.BYTES,
-} as MetricMetadata;
+} as MetricsexplorertypesMetricMetadataDTO;
 const MOCK_METRIC_2 = {
 	unit: UniversalYAxisUnit.SECONDS,
-} as MetricMetadata;
+} as MetricsexplorertypesMetricMetadataDTO;
 const MOCK_METRIC_3 = {
 	unit: '',
-} as MetricMetadata;
+} as MetricsexplorertypesMetricMetadataDTO;
 
 function createMockCurrentQuery(
 	queryType: EQueryType,

frontend/src/hooks/useIsTextSelected.ts

@@ -0,0 +1,10 @@
+import { useCallback } from 'react';
+
+export function useIsTextSelected(): () => boolean {
+	return useCallback((): boolean => {
+		const selection = window.getSelection();
+		return (
+			!!selection && !selection.isCollapsed && selection.toString().length > 0
+		);
+	}, []);
+}

frontend/src/lib/uPlotV2/plugins/TooltipPlugin/TooltipPlugin.styles.scss

@@ -1,14 +1,22 @@
 .tooltip-plugin-container {
 	top: 0;
 	left: 0;
+	width: 100%;
 	z-index: 1070;
 	white-space: pre;
 	border-radius: 4px;
 	position: fixed;
 	overflow: auto;
 	transform: translate(-1000px, -1000px); // hide the tooltip initially
+	opacity: 0;
+	pointer-events: none;
 
 	&.pinned {
 		box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
 	}
+
+	&.visible {
+		opacity: 1;
+		pointer-events: all;
+	}
 }

frontend/src/lib/uPlotV2/plugins/TooltipPlugin/TooltipPlugin.tsx

@@ -339,8 +339,9 @@ export default function TooltipPlugin({
 			return;
 		}
 		const layout = layoutRef.current;
+		layout.observer.disconnect();
+
 		if (containerRef.current) {
-			layout.observer.disconnect();
 			layout.observer.observe(containerRef.current);
 			const { width, height } = containerRef.current.getBoundingClientRect();
 			layout.width = width;
@@ -351,24 +352,28 @@ export default function TooltipPlugin({
 		}
 	}, [isHovering, plot]);
 
-	if (!plot || !isHovering) {
+	if (!plot) {
 		return null;
 	}
 
 	return createPortal(
 		<div
-			className={cx('tooltip-plugin-container', { pinned: isPinned })}
+			className={cx('tooltip-plugin-container', {
+				pinned: isPinned,
+				visible: isHovering,
+			})}
 			style={{
 				...style,
 				maxWidth: `${maxWidth}px`,
 				maxHeight: `${maxHeight}px`,
-				width: '100%',
 			}}
 			aria-live="polite"
 			aria-atomic="true"
+			aria-hidden={!isHovering}
 			ref={containerRef}
+			data-testid="tooltip-plugin-container"
 		>
-			{contents}
+			{isHovering ? contents : null}
 		</div>,
 		portalRoot.current,
 	);

frontend/src/lib/uPlotV2/plugins/__tests__/TooltipPlugin.test.ts

@@ -187,9 +187,7 @@ describe('TooltipPlugin', () => {
 				canPinTooltip: true,
 			});
 
-			const container = document.querySelector(
-				'.tooltip-plugin-container',
-			) as HTMLElement;
+			const container = screen.getByTestId('tooltip-plugin-container');
 			expect(container.classList.contains('pinned')).toBe(false);
 
 			act(() => {
@@ -197,11 +195,9 @@ describe('TooltipPlugin', () => {
 			});
 
 			return waitFor(() => {
-				const updated = document.querySelector(
-					'.tooltip-plugin-container',
-				) as HTMLElement | null;
-				expect(updated).not.toBeNull();
-				expect(updated?.classList.contains('pinned')).toBe(true);
+				const updated = screen.getByTestId('tooltip-plugin-container');
+				expect(updated).toBeInTheDocument();
+				expect(updated.classList.contains('pinned')).toBe(true);
 			});
 		});
 
@@ -249,7 +245,13 @@ describe('TooltipPlugin', () => {
 			await user.click(button);
 
 			await waitFor(() => {
-				expect(document.querySelector('.tooltip-plugin-container')).toBeNull();
+				const container = screen.getByTestId('tooltip-plugin-container');
+
+				expect(container).toBeInTheDocument();
+				expect(container.getAttribute('aria-hidden')).toBe('true');
+				expect(container.classList.contains('visible')).toBe(false);
+				expect(container.classList.contains('pinned')).toBe(false);
+				expect(container.textContent).toBe('');
 			});
 		});
 
@@ -292,12 +294,16 @@ describe('TooltipPlugin', () => {
 				jest.runAllTimers();
 			});
 
-			expect(document.querySelector('.tooltip-plugin-container')).toBeNull();
+			const container = screen.getByTestId('tooltip-plugin-container');
+			expect(container).toBeInTheDocument();
+			expect(container.getAttribute('aria-hidden')).toBe('true');
+			expect(container.classList.contains('visible')).toBe(false);
+			expect(container.classList.contains('pinned')).toBe(false);
 
 			jest.useRealTimers();
 		});
 
-		it('unpins the tooltip on outside mousedown', () => {
+		it('unpins the tooltip on outside mousedown', async () => {
 			jest.useFakeTimers();
 			const config = createConfigMock();
 
@@ -335,12 +341,19 @@ describe('TooltipPlugin', () => {
 				jest.runAllTimers();
 			});
 
-			expect(document.querySelector('.tooltip-plugin-container')).toBeNull();
+			await waitFor(() => {
+				const container = screen.getByTestId('tooltip-plugin-container');
+
+				expect(container).toBeInTheDocument();
+				expect(container.getAttribute('aria-hidden')).toBe('true');
+				expect(container.classList.contains('visible')).toBe(false);
+				expect(container.classList.contains('pinned')).toBe(false);
+			});
 
 			jest.useRealTimers();
 		});
 
-		it('unpins the tooltip on outside keydown', () => {
+		it('unpins the tooltip on outside keydown', async () => {
 			jest.useFakeTimers();
 			const config = createConfigMock();
 
@@ -380,7 +393,13 @@ describe('TooltipPlugin', () => {
 				jest.runAllTimers();
 			});
 
-			expect(document.querySelector('.tooltip-plugin-container')).toBeNull();
+			await waitFor(() => {
+				const container = screen.getByTestId('tooltip-plugin-container');
+				expect(container).toBeInTheDocument();
+				expect(container.getAttribute('aria-hidden')).toBe('true');
+				expect(container.classList.contains('visible')).toBe(false);
+				expect(container.classList.contains('pinned')).toBe(false);
+			});
 
 			jest.useRealTimers();
 		});

frontend/src/utils/pluralize.ts

@@ -0,0 +1,13 @@
+export function pluralize(
+	count: number,
+	singular: string,
+	plural?: string,
+): string {
+	if (count === 1) {
+		return `${count} ${singular}`;
+	}
+	if (plural) {
+		return `${count} ${plural}`;
+	}
+	return `${count} ${singular}s`;
+}

pkg/modules/promote/implpromote/module.go

@@ -87,7 +87,7 @@ func (m *module) ListPromotedAndIndexedPaths(ctx context.Context) ([]promotetype
 }
 
 func (m *module) listPromotedPaths(ctx context.Context) ([]string, error) {
-	paths, err := m.metadataStore.ListPromotedPaths(ctx)
+	paths, err := m.metadataStore.GetPromotedPaths(ctx)
 	if err != nil {
 		return nil, err
 	}
@@ -142,7 +142,7 @@ func (m *module) PromoteAndIndexPaths(
 		pathsStr = append(pathsStr, path.Path)
 	}
 
-	existingPromotedPaths, err := m.metadataStore.ListPromotedPaths(ctx, pathsStr...)
+	existingPromotedPaths, err := m.metadataStore.GetPromotedPaths(ctx, pathsStr...)
 	if err != nil {
 		return err
 	}

pkg/querier/builder_query.go

@@ -80,11 +80,16 @@ func (q *builderQuery[T]) Fingerprint() string {
 			case qbtypes.LogAggregation:
 				aggParts = append(aggParts, a.Expression)
 			case qbtypes.MetricAggregation:
-				aggParts = append(aggParts, fmt.Sprintf("%s:%s:%s:%s",
+				var spaceAggParamStr string
+				if a.ComparisonSpaceAggregationParam != nil {
+					spaceAggParamStr = a.ComparisonSpaceAggregationParam.StringValue()
+				}
+				aggParts = append(aggParts, fmt.Sprintf("%s:%s:%s:%s:%s",
 					a.MetricName,
 					a.Temporality.StringValue(),
 					a.TimeAggregation.StringValue(),
 					a.SpaceAggregation.StringValue(),
+					spaceAggParamStr,
 				))
 			}
 		}

pkg/querier/querier.go

@@ -276,15 +276,17 @@ func (q *querier) QueryRange(ctx context.Context, orgID valuer.UUID, req *qbtype
 
 	// Fetch temporality for all metrics at once
 	var metricTemporality map[string]metrictypes.Temporality
+	var metricTypes map[string]metrictypes.Type
 	if len(metricNames) > 0 {
 		var err error
-		metricTemporality, err = q.metadataStore.FetchTemporalityMulti(ctx, req.Start, req.End, metricNames...)
+		metricTemporality, metricTypes, err = q.metadataStore.FetchTemporalityAndTypeMulti(ctx, req.Start, req.End, metricNames...)
 		if err != nil {
 			q.logger.WarnContext(ctx, "failed to fetch metric temporality", "error", err, "metrics", metricNames)
 			// Continue without temporality - statement builder will handle unspecified
 			metricTemporality = make(map[string]metrictypes.Temporality)
+			metricTypes = make(map[string]metrictypes.Type)
 		}
-		q.logger.DebugContext(ctx, "fetched metric temporalities", "metric_temporality", metricTemporality)
+		q.logger.DebugContext(ctx, "fetched metric temporalities and types", "metric_temporality", metricTemporality, "metric_types", metricTypes)
 	}
 
 	queries := make(map[string]qbtypes.Query)
@@ -380,6 +382,12 @@ func (q *querier) QueryRange(ctx context.Context, orgID valuer.UUID, req *qbtype
 					if spec.Aggregations[i].Temporality == metrictypes.Unknown {
 						spec.Aggregations[i].Temporality = metrictypes.Unspecified
 					}
+
+					if spec.Aggregations[i].MetricName != "" && spec.Aggregations[i].Type == metrictypes.UnspecifiedType {
+						if foundMetricType, ok := metricTypes[spec.Aggregations[i].MetricName]; ok && foundMetricType != metrictypes.UnspecifiedType {
+							spec.Aggregations[i].Type = foundMetricType
+						}
+					}
 				}
 				spec.ShiftBy = extractShiftFromBuilderQuery(spec)
 				timeRange := adjustTimeRangeForShift(spec, qbtypes.TimeRange{From: req.Start, To: req.End}, req.RequestType)

pkg/query-service/app/clickhouseReader/reader.go

@@ -4308,6 +4308,28 @@ func (r *ClickHouseReader) GetListResultV3(ctx context.Context, query string) ([
 
 }
 
+// GetHostMetricsExistenceAndEarliestTime returns (count, minFirstReportedUnixMilli, error) for the given host metric names
+// from distributed_metadata. When count is 0, minFirstReportedUnixMilli is 0.
+func (r *ClickHouseReader) GetMetricsExistenceAndEarliestTime(ctx context.Context, metricNames []string) (uint64, uint64, error) {
+	if len(metricNames) == 0 {
+		return 0, 0, nil
+	}
+
+	query := fmt.Sprintf(
+		`SELECT count(*) AS cnt, min(first_reported_unix_milli) AS min_first_reported
+		FROM %s.%s
+		WHERE metric_name IN @metric_names`,
+		constants.SIGNOZ_METRIC_DBNAME, constants.SIGNOZ_METADATA_TABLENAME)
+
+	var count, minFirstReported uint64
+	err := r.db.QueryRow(ctx, query, clickhouse.Named("metric_names", metricNames)).Scan(&count, &minFirstReported)
+	if err != nil {
+		zap.L().Error("error getting host metrics existence and earliest time", zap.Error(err))
+		return 0, 0, err
+	}
+	return count, minFirstReported, nil
+}
+
 func getPersonalisedError(err error) error {
 	if err == nil {
 		return nil

pkg/query-service/app/inframetrics/clusters.go

@@ -97,7 +97,14 @@ func (p *ClustersRepo) getMetadataAttributes(ctx context.Context, req model.Clus
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherClusterMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForNodes {
+		if metric != metricToUseForClusters {
+			otherClusterMetricsForMetadata = append(otherClusterMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherClusterMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/common.go

@@ -10,6 +10,7 @@ import (
 )
 
 var dotMetricMap = map[string]string{
+	"system_filesystem_usage":               "system.filesystem.usage",
 	"system_cpu_time":                       "system.cpu.time",
 	"system_memory_usage":                   "system.memory.usage",
 	"system_cpu_load_average_15m":           "system.cpu.load_average.15m",

pkg/query-service/app/inframetrics/daemonsets.go

@@ -164,7 +164,19 @@ func (d *DaemonSetsRepo) getMetadataAttributes(ctx context.Context, req model.Da
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherDaemonSetMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForWorkloads {
+		if metric != metricToUseForDaemonSets {
+			otherDaemonSetMetricsForMetadata = append(otherDaemonSetMetricsForMetadata, metric)
+		}
+	}
+	for _, metric := range metricNamesForDaemonSets {
+		if metric != metricToUseForDaemonSets {
+			otherDaemonSetMetricsForMetadata = append(otherDaemonSetMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherDaemonSetMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/deployments.go

@@ -164,7 +164,19 @@ func (d *DeploymentsRepo) getMetadataAttributes(ctx context.Context, req model.D
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherDeploymentMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForWorkloads {
+		if metric != metricToUseForDeployments {
+			otherDeploymentMetricsForMetadata = append(otherDeploymentMetricsForMetadata, metric)
+		}
+	}
+	for _, metric := range metricNamesForDeployments {
+		if metric != metricToUseForDeployments {
+			otherDeploymentMetricsForMetadata = append(otherDeploymentMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherDeploymentMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/hosts.go

@@ -61,16 +61,19 @@ var (
 
 	// TODO(srikanthccv): remove hardcoded metric name and support keys from any system metric
 	metricToUseForHostAttributes = GetDotMetrics("system_cpu_load_average_15m")
-	hostNameAttrKey              = GetDotMetrics("host_name")
-	agentNameToIgnore            = "k8s-infra-otel-agent"
-	hostAttrsToEnrich            = []string{
+
+	hostNameAttrKey   = GetDotMetrics("host_name")
+	agentNameToIgnore = "k8s-infra-otel-agent"
+	hostAttrsToEnrich = []string{
 		GetDotMetrics("os_type"),
 	}
+
 	metricNamesForHosts = map[string]string{
-		"cpu":    GetDotMetrics("system_cpu_time"),
-		"memory": GetDotMetrics("system_memory_usage"),
-		"load15": GetDotMetrics("system_cpu_load_average_15m"),
-		"wait":   GetDotMetrics("system_cpu_time"),
+		"filesystem": GetDotMetrics("system_filesystem_usage"),
+		"cpu":        GetDotMetrics("system_cpu_time"),
+		"memory":     GetDotMetrics("system_memory_usage"),
+		"load15":     GetDotMetrics("system_cpu_load_average_15m"),
+		"wait":       GetDotMetrics("system_cpu_time"),
 	}
 )
 
@@ -214,7 +217,14 @@ func (h *HostsRepo) getMetadataAttributes(ctx context.Context, req model.HostLis
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherHostMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForHosts {
+		if metric != metricToUseForHostAttributes {
+			otherHostMetricsForMetadata = append(otherHostMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherHostMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}
@@ -316,24 +326,15 @@ func (h *HostsRepo) getTopHostGroups(ctx context.Context, orgID valuer.UUID, req
 	return topHostGroups, allHostGroups, nil
 }
 
-func (h *HostsRepo) DidSendHostMetricsData(ctx context.Context, req model.HostListRequest) (bool, error) {
-
+// GetHostMetricsExistenceAndEarliestTime returns (count, minFirstReportedUnixMilli, error) for host metrics
+// in distributed_metadata. Uses metricNamesForHosts plus system.filesystem.usage.
+func (h *HostsRepo) GetHostMetricsExistenceAndEarliestTime(ctx context.Context, req model.HostListRequest) (uint64, uint64, error) {
 	names := []string{}
 	for _, metricName := range metricNamesForHosts {
 		names = append(names, metricName)
 	}
 
-	namesStr := "'" + strings.Join(names, "','") + "'"
-
-	query := fmt.Sprintf("SELECT count() FROM %s.%s WHERE metric_name IN (%s)",
-		constants.SIGNOZ_METRIC_DBNAME, constants.SIGNOZ_TIMESERIES_v4_1DAY_TABLENAME, namesStr)
-
-	count, err := h.reader.GetCountOfThings(ctx, query)
-	if err != nil {
-		return false, err
-	}
-
-	return count > 0, nil
+	return h.reader.GetMetricsExistenceAndEarliestTime(ctx, names)
 }
 
 func (h *HostsRepo) IsSendingK8SAgentMetrics(ctx context.Context, req model.HostListRequest) ([]string, []string, error) {
@@ -412,8 +413,25 @@ func (h *HostsRepo) GetHostList(ctx context.Context, orgID valuer.UUID, req mode
 		resp.ClusterNames = clusterNames
 		resp.NodeNames = nodeNames
 	}
-	if sentAnyHostMetricsData, err := h.DidSendHostMetricsData(ctx, req); err == nil {
-		resp.SentAnyHostMetricsData = sentAnyHostMetricsData
+
+	// 1. Check if any host metrics exist and get earliest retention time
+	// if no hosts metrics exist, that means we should show the onboarding guide on UI, and return early.
+	// 2. If host metrics exist, but req.End is earlier than the earliest time of host metrics as read from
+	// metadata table, then we should convey the same to the user and return early
+	if count, minFirstReportedUnixMilli, err := h.GetHostMetricsExistenceAndEarliestTime(ctx, req); err == nil {
+		if count == 0 {
+			resp.SentAnyHostMetricsData = false
+			resp.Records = []model.HostListRecord{}
+			resp.Total = 0
+			return resp, nil
+		}
+		resp.SentAnyHostMetricsData = true
+		if req.End < int64(minFirstReportedUnixMilli) {
+			resp.EndTimeBeforeRetention = true
+			resp.Records = []model.HostListRecord{}
+			resp.Total = 0
+			return resp, nil
+		}
 	}
 
 	step := int64(math.Max(float64(common.MinAllowedStepInterval(req.Start, req.End)), 60))

pkg/query-service/app/inframetrics/jobs.go

@@ -208,7 +208,19 @@ func (d *JobsRepo) getMetadataAttributes(ctx context.Context, req model.JobListR
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherJobMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForWorkloads {
+		if metric != metricToUseForJobs {
+			otherJobMetricsForMetadata = append(otherJobMetricsForMetadata, metric)
+		}
+	}
+	for _, metric := range metricNamesForJobs {
+		if metric != metricToUseForJobs {
+			otherJobMetricsForMetadata = append(otherJobMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherJobMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/namespaces.go

@@ -91,7 +91,14 @@ func (p *NamespacesRepo) getMetadataAttributes(ctx context.Context, req model.Na
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherNamespaceMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForPods {
+		if metric != metricToUseForNamespaces {
+			otherNamespaceMetricsForMetadata = append(otherNamespaceMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherNamespaceMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/nodes.go

@@ -121,7 +121,14 @@ func (p *NodesRepo) getMetadataAttributes(ctx context.Context, req model.NodeLis
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherNodeMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForNodes {
+		if metric != metricToUseForNodes {
+			otherNodeMetricsForMetadata = append(otherNodeMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherNodeMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/pods.go

@@ -21,6 +21,17 @@ import (
 var (
 	metricToUseForPods = GetDotMetrics("k8s_pod_cpu_usage")
 
+	metricNamesForPods = map[string]string{
+		"cpu":            GetDotMetrics("k8s_pod_cpu_usage"),
+		"cpu_request":    GetDotMetrics("k8s_pod_cpu_request_utilization"),
+		"cpu_limit":      GetDotMetrics("k8s_pod_cpu_limit_utilization"),
+		"memory":         GetDotMetrics("k8s_pod_memory_working_set"),
+		"memory_request": GetDotMetrics("k8s_pod_memory_request_utilization"),
+		"memory_limit":   GetDotMetrics("k8s_pod_memory_limit_utilization"),
+		"restarts":       GetDotMetrics("k8s_container_restarts"),
+		"pod_phase":      GetDotMetrics("k8s_pod_phase"),
+	}
+
 	podAttrsToEnrich = []string{
 		GetDotMetrics("k8s_pod_uid"),
 		GetDotMetrics("k8s_pod_name"),
@@ -47,17 +58,6 @@ var (
 		"pod_phase":      {"H", "I", "J", "K"},
 	}
 	podQueryNames = []string{"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K"}
-
-	metricNamesForPods = map[string]string{
-		"cpu":            GetDotMetrics("k8s_pod_cpu_usage"),
-		"cpu_request":    GetDotMetrics("k8s_pod_cpu_request_utilization"),
-		"cpu_limit":      GetDotMetrics("k8s_pod_cpu_limit_utilization"),
-		"memory":         GetDotMetrics("k8s_pod_memory_working_set"),
-		"memory_request": GetDotMetrics("k8s_pod_memory_request_utilization"),
-		"memory_limit":   GetDotMetrics("k8s_pod_memory_limit_utilization"),
-		"restarts":       GetDotMetrics("k8s_container_restarts"),
-		"pod_phase":      GetDotMetrics("k8s_pod_phase"),
-	}
 )
 
 type PodsRepo struct {
@@ -266,7 +266,14 @@ func (p *PodsRepo) getMetadataAttributes(ctx context.Context, req model.PodListR
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherPodMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForPods {
+		if metric != metricToUseForPods {
+			otherPodMetricsForMetadata = append(otherPodMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherPodMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/processes.go

@@ -26,10 +26,12 @@ var (
 		"cpu":    GetDotMetrics("process_cpu_time"),
 		"memory": GetDotMetrics("process_memory_usage"),
 	}
+
 	metricToUseForProcessAttributes = GetDotMetrics("process_memory_usage")
-	processNameAttrKey              = GetDotMetrics("process_executable_name")
-	processCMDAttrKey               = GetDotMetrics("process_command")
-	processCMDLineAttrKey           = GetDotMetrics("process_command_line")
+
+	processNameAttrKey    = GetDotMetrics("process_executable_name")
+	processCMDAttrKey     = GetDotMetrics("process_command")
+	processCMDLineAttrKey = GetDotMetrics("process_command_line")
 )
 
 type ProcessesRepo struct {
@@ -108,7 +110,14 @@ func (p *ProcessesRepo) getMetadataAttributes(ctx context.Context,
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherMetricsForProcessMetadata := make([]string, 0)
+	for _, metric := range metricNamesForProcesses {
+		if metric != metricToUseForProcessAttributes {
+			otherMetricsForProcessMetadata = append(otherMetricsForProcessMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherMetricsForProcessMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/pvcs.go

@@ -124,7 +124,14 @@ func (p *PvcsRepo) getMetadataAttributes(ctx context.Context, req model.VolumeLi
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherVolumeMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForVolumes {
+		if metric != metricToUseForVolumes {
+			otherVolumeMetricsForMetadata = append(otherVolumeMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherVolumeMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/inframetrics/statefulsets.go

@@ -164,7 +164,19 @@ func (d *StatefulSetsRepo) getMetadataAttributes(ctx context.Context, req model.
 		GroupBy:     req.GroupBy,
 	}
 
-	query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
+	otherStatefulSetMetricsForMetadata := make([]string, 0)
+	for _, metric := range metricNamesForWorkloads {
+		if metric != metricToUseForStatefulSets {
+			otherStatefulSetMetricsForMetadata = append(otherStatefulSetMetricsForMetadata, metric)
+		}
+	}
+	for _, metric := range metricNamesForStatefulSets {
+		if metric != metricToUseForStatefulSets {
+			otherStatefulSetMetricsForMetadata = append(otherStatefulSetMetricsForMetadata, metric)
+		}
+	}
+
+	query, err := helpers.PrepareTimeseriesFilterQueryWithMultipleMetrics(req.Start, req.End, &mq, otherStatefulSetMetricsForMetadata)
 	if err != nil {
 		return nil, err
 	}

pkg/query-service/app/metrics/v4/helpers/sub_query.go

@@ -346,6 +346,105 @@ func PrepareTimeseriesFilterQuery(start, end int64, mq *v3.BuilderQuery) (string
 	return filterSubQuery, nil
 }
 
+// PrepareTimeseriesFilterQuery builds the sub-query to be used for filtering timeseries based on the search criteria
+func PrepareTimeseriesFilterQueryWithMultipleMetrics(start, end int64, mq *v3.BuilderQuery, metricNames []string) (string, error) {
+	var conditions []string
+	var fs *v3.FilterSet = mq.Filters
+	var groupTags []v3.AttributeKey = mq.GroupBy
+
+	if mq.AggregateAttribute.Key != "" {
+		metricNames = append(metricNames, mq.AggregateAttribute.Key)
+	}
+
+	conditions = append(conditions, fmt.Sprintf("metric_name IN %s", utils.ClickHouseFormattedMetricNames(metricNames)))
+	if constants.IsDotMetricsEnabled {
+		conditions = append(conditions, "__normalized = false")
+	} else {
+		conditions = append(conditions, "__normalized = true")
+	}
+
+	start, end, tableName := whichTSTableToUse(start, end, mq)
+
+	conditions = append(conditions, fmt.Sprintf("unix_milli >= %d AND unix_milli < %d", start, end))
+
+	if fs != nil && len(fs.Items) != 0 {
+		for _, item := range fs.Items {
+			if item.Key.Key == "__value" {
+				continue
+			}
+
+			toFormat := item.Value
+			op := v3.FilterOperator(strings.ToLower(strings.TrimSpace(string(item.Operator))))
+			if op == v3.FilterOperatorContains || op == v3.FilterOperatorNotContains {
+				toFormat = fmt.Sprintf("%%%s%%", toFormat)
+			}
+			var fmtVal string
+			if op != v3.FilterOperatorExists && op != v3.FilterOperatorNotExists {
+				fmtVal = utils.ClickHouseFormattedValue(toFormat)
+			}
+			switch op {
+			case v3.FilterOperatorEqual:
+				conditions = append(conditions, fmt.Sprintf("JSONExtractString(labels, '%s') = %s", item.Key.Key, fmtVal))
+			case v3.FilterOperatorNotEqual:
+				conditions = append(conditions, fmt.Sprintf("JSONExtractString(labels, '%s') != %s", item.Key.Key, fmtVal))
+			case v3.FilterOperatorIn:
+				conditions = append(conditions, fmt.Sprintf("JSONExtractString(labels, '%s') IN %s", item.Key.Key, fmtVal))
+			case v3.FilterOperatorNotIn:
+				conditions = append(conditions, fmt.Sprintf("JSONExtractString(labels, '%s') NOT IN %s", item.Key.Key, fmtVal))
+			case v3.FilterOperatorLike:
+				conditions = append(conditions, fmt.Sprintf("like(JSONExtractString(labels, '%s'), %s)", item.Key.Key, fmtVal))
+			case v3.FilterOperatorNotLike:
+				conditions = append(conditions, fmt.Sprintf("notLike(JSONExtractString(labels, '%s'), %s)", item.Key.Key, fmtVal))
+			case v3.FilterOperatorRegex:
+				conditions = append(conditions, fmt.Sprintf("match(JSONExtractString(labels, '%s'), %s)", item.Key.Key, fmtVal))
+			case v3.FilterOperatorNotRegex:
+				conditions = append(conditions, fmt.Sprintf("not match(JSONExtractString(labels, '%s'), %s)", item.Key.Key, fmtVal))
+			case v3.FilterOperatorGreaterThan:
+				conditions = append(conditions, fmt.Sprintf("JSONExtractString(labels, '%s') > %s", item.Key.Key, fmtVal))
+			case v3.FilterOperatorGreaterThanOrEq:
+				conditions = append(conditions, fmt.Sprintf("JSONExtractString(labels, '%s') >= %s", item.Key.Key, fmtVal))
+			case v3.FilterOperatorLessThan:
+				conditions = append(conditions, fmt.Sprintf("JSONExtractString(labels, '%s') < %s", item.Key.Key, fmtVal))
+			case v3.FilterOperatorLessThanOrEq:
+				conditions = append(conditions, fmt.Sprintf("JSONExtractString(labels, '%s') <= %s", item.Key.Key, fmtVal))
+			case v3.FilterOperatorContains:
+				conditions = append(conditions, fmt.Sprintf("like(JSONExtractString(labels, '%s'), %s)", item.Key.Key, fmtVal))
+			case v3.FilterOperatorNotContains:
+				conditions = append(conditions, fmt.Sprintf("notLike(JSONExtractString(labels, '%s'), %s)", item.Key.Key, fmtVal))
+			case v3.FilterOperatorExists:
+				conditions = append(conditions, fmt.Sprintf("has(JSONExtractKeys(labels), '%s')", item.Key.Key))
+			case v3.FilterOperatorNotExists:
+				conditions = append(conditions, fmt.Sprintf("not has(JSONExtractKeys(labels), '%s')", item.Key.Key))
+			case v3.FilterOperatorILike:
+				conditions = append(conditions, fmt.Sprintf("ilike(JSONExtractString(labels, '%s'), %s)", item.Key.Key, fmtVal))
+			case v3.FilterOperatorNotILike:
+				conditions = append(conditions, fmt.Sprintf("notILike(JSONExtractString(labels, '%s'), %s)", item.Key.Key, fmtVal))
+			default:
+				return "", fmt.Errorf("unsupported filter operator")
+			}
+		}
+	}
+	whereClause := strings.Join(conditions, " AND ")
+
+	var selectLabels string
+	for _, tag := range groupTags {
+		selectLabels += fmt.Sprintf("JSONExtractString(labels, '%s') as %s, ", tag.Key, utils.AddBackTickToFormatTag(tag.Key))
+	}
+
+	// The table JOIN key always exists
+	selectLabels += "fingerprint"
+
+	filterSubQuery := fmt.Sprintf(
+		"SELECT DISTINCT %s FROM %s.%s WHERE %s",
+		selectLabels,
+		constants.SIGNOZ_METRIC_DBNAME,
+		tableName,
+		whereClause,
+	)
+
+	return filterSubQuery, nil
+}
+
 // PrepareTimeseriesFilterQuery builds the sub-query to be used for filtering timeseries based on the search criteria
 func PrepareTimeseriesFilterQueryV3(start, end int64, mq *v3.BuilderQuery) (string, error) {
 	var conditions []string

pkg/query-service/constants/constants.go

@@ -125,6 +125,8 @@ const (
 	SIGNOZ_TIMESERIES_v4_6HRS_TABLENAME        = "distributed_time_series_v4_6hrs"
 	SIGNOZ_ATTRIBUTES_METADATA_TABLENAME       = "distributed_attributes_metadata"
 	SIGNOZ_ATTRIBUTES_METADATA_LOCAL_TABLENAME = "attributes_metadata"
+	SIGNOZ_METADATA_TABLENAME                  = "distributed_metadata"
+	SIGNOZ_METADATA_LOCAL_TABLENAME            = "metadata"
 )
 
 // alert related constants

pkg/query-service/interfaces/interface.go

@@ -100,6 +100,8 @@ type Reader interface {
 
 	GetCountOfThings(ctx context.Context, query string) (uint64, error)
 
+	GetMetricsExistenceAndEarliestTime(ctx context.Context, metricNames []string) (uint64, uint64, error)
+
 	//trace
 	GetTraceFields(ctx context.Context) (*model.GetFieldsResponse, *model.ApiError)
 	UpdateTraceField(ctx context.Context, field *model.UpdateField) *model.ApiError

pkg/query-service/model/infra.go

@@ -44,6 +44,7 @@ type HostListResponse struct {
 	IsSendingK8SAgentMetrics bool             `json:"isSendingK8SAgentMetrics"`
 	ClusterNames             []string         `json:"clusterNames"`
 	NodeNames                []string         `json:"nodeNames"`
+	EndTimeBeforeRetention   bool             `json:"endTimeBeforeRetention"`
 }
 
 func (r *HostListResponse) SortBy(orderBy *v3.OrderBy) {

pkg/telemetrymetadata/body_json_metadata.go

@@ -10,7 +10,6 @@ import (
 	"github.com/ClickHouse/clickhouse-go/v2/lib/chcol"
 	schemamigrator "github.com/SigNoz/signoz-otel-collector/cmd/signozschemamigrator/schema_migrator"
 	"github.com/SigNoz/signoz-otel-collector/constants"
-	"github.com/SigNoz/signoz-otel-collector/utils"
 	"github.com/SigNoz/signoz/pkg/errors"
 	"github.com/SigNoz/signoz/pkg/querybuilder"
 	"github.com/SigNoz/signoz/pkg/telemetrylogs"
@@ -113,7 +112,7 @@ func (t *telemetryMetaStore) buildBodyJSONPaths(ctx context.Context,
 
 	for _, fieldKey := range fieldKeys {
 		promotedKey := strings.Split(fieldKey.Name, telemetrytypes.ArraySep)[0]
-		fieldKey.Materialized = promoted.Contains(promotedKey)
+		fieldKey.Materialized = promoted[promotedKey]
 		fieldKey.Indexes = indexes[fieldKey.Name]
 	}
 
@@ -295,33 +294,6 @@ func (t *telemetryMetaStore) ListLogsJSONIndexes(ctx context.Context, filters ..
 	return indexes, nil
 }
 
-func (t *telemetryMetaStore) ListPromotedPaths(ctx context.Context, paths ...string) (map[string]struct{}, error) {
-	sb := sqlbuilder.Select("path").From(fmt.Sprintf("%s.%s", DBName, PromotedPathsTableName))
-	pathConditions := []string{}
-	for _, path := range paths {
-		pathConditions = append(pathConditions, sb.Equal("path", path))
-	}
-	sb.Where(sb.Or(pathConditions...))
-	query, args := sb.BuildWithFlavor(sqlbuilder.ClickHouse)
-
-	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, args...)
-	if err != nil {
-		return nil, errors.WrapInternalf(err, CodeFailLoadPromotedPaths, "failed to load promoted paths")
-	}
-	defer rows.Close()
-
-	next := make(map[string]struct{})
-	for rows.Next() {
-		var path string
-		if err := rows.Scan(&path); err != nil {
-			return nil, errors.WrapInternalf(err, CodeFailLoadPromotedPaths, "failed to scan promoted path")
-		}
-		next[path] = struct{}{}
-	}
-
-	return next, nil
-}
-
 // TODO(Piyush): Remove this if not used in future
 func (t *telemetryMetaStore) ListJSONValues(ctx context.Context, path string, limit int) (*telemetrytypes.TelemetryFieldValues, bool, error) {
 	path = CleanPathPrefixes(path)
@@ -484,11 +456,12 @@ func derefValue(v any) any {
 	return val.Interface()
 }
 
-// IsPathPromoted checks if a specific path is promoted
+// IsPathPromoted checks if a specific path is promoted (Column Evolution table: field_name for logs body).
 func (t *telemetryMetaStore) IsPathPromoted(ctx context.Context, path string) (bool, error) {
 	split := strings.Split(path, telemetrytypes.ArraySep)
-	query := fmt.Sprintf("SELECT 1 FROM %s.%s WHERE path = ? LIMIT 1", DBName, PromotedPathsTableName)
-	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, split[0])
+	pathSegment := split[0]
+	query := fmt.Sprintf("SELECT 1 FROM %s.%s WHERE signal = ? AND column_name = ? AND field_context = ? AND field_name = ? LIMIT 1", DBName, PromotedPathsTableName)
+	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, telemetrytypes.SignalLogs, telemetrylogs.LogsV2BodyPromotedColumn, telemetrytypes.FieldContextBody, pathSegment)
 	if err != nil {
 		return false, errors.WrapInternalf(err, CodeFailCheckPathPromoted, "failed to check if path %s is promoted", path)
 	}
@@ -497,15 +470,24 @@ func (t *telemetryMetaStore) IsPathPromoted(ctx context.Context, path string) (b
 	return rows.Next(), nil
 }
 
-// GetPromotedPaths checks if a specific path is promoted
-func (t *telemetryMetaStore) GetPromotedPaths(ctx context.Context, paths ...string) (*utils.ConcurrentSet[string], error) {
-	sb := sqlbuilder.Select("path").From(fmt.Sprintf("%s.%s", DBName, PromotedPathsTableName))
-	pathConditions := []string{}
-	for _, path := range paths {
-		split := strings.Split(path, telemetrytypes.ArraySep)
-		pathConditions = append(pathConditions, sb.Equal("path", split[0]))
+// GetPromotedPaths returns promoted paths from the Column Evolution table (field_name for logs body).
+func (t *telemetryMetaStore) GetPromotedPaths(ctx context.Context, paths ...string) (map[string]bool, error) {
+	sb := sqlbuilder.Select("field_name").From(fmt.Sprintf("%s.%s", DBName, PromotedPathsTableName))
+	conditions := []string{
+		sb.Equal("signal", telemetrytypes.SignalLogs),
+		sb.Equal("column_name", telemetrylogs.LogsV2BodyPromotedColumn),
+		sb.Equal("field_context", telemetrytypes.FieldContextBody),
+		sb.NotEqual("field_name", "__all__"),
 	}
-	sb.Where(sb.Or(pathConditions...))
+	if len(paths) > 0 {
+		pathArgs := make([]interface{}, len(paths))
+		for i, path := range paths {
+			split := strings.Split(path, telemetrytypes.ArraySep)
+			pathArgs[i] = split[0]
+		}
+		conditions = append(conditions, sb.In("field_name", pathArgs))
+	}
+	sb.Where(sb.And(conditions...))
 
 	query, args := sb.BuildWithFlavor(sqlbuilder.ClickHouse)
 	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, args...)
@@ -514,13 +496,13 @@ func (t *telemetryMetaStore) GetPromotedPaths(ctx context.Context, paths ...stri
 	}
 	defer rows.Close()
 
-	promotedPaths := utils.NewConcurrentSet[string]()
+	promotedPaths := make(map[string]bool)
 	for rows.Next() {
-		var path string
-		if err := rows.Scan(&path); err != nil {
+		var fieldName string
+		if err := rows.Scan(&fieldName); err != nil {
 			return nil, errors.WrapInternalf(err, CodeFailCheckPathPromoted, "failed to scan promoted path")
 		}
-		promotedPaths.Insert(path)
+		promotedPaths[fieldName] = true
 	}
 
 	return promotedPaths, nil
@@ -534,21 +516,22 @@ func CleanPathPrefixes(path string) string {
 	return path
 }
 
+// PromotePaths inserts promoted paths into the Column Evolution table (same schema as signoz-otel-collector metadata_migrations).
 func (t *telemetryMetaStore) PromotePaths(ctx context.Context, paths ...string) error {
 	batch, err := t.telemetrystore.ClickhouseDB().PrepareBatch(ctx,
-		fmt.Sprintf("INSERT INTO %s.%s (path, created_at) VALUES", DBName,
+		fmt.Sprintf("INSERT INTO %s.%s (signal, column_name, column_type, field_context, field_name, version, release_time) VALUES", DBName,
 			PromotedPathsTableName))
 	if err != nil {
 		return errors.WrapInternalf(err, CodeFailedToPrepareBatch, "failed to prepare batch")
 	}
 
-	nowMs := uint64(time.Now().UnixMilli())
+	releaseTime := time.Now().UnixNano()
 	for _, p := range paths {
 		trimmed := strings.TrimSpace(p)
 		if trimmed == "" {
 			continue
 		}
-		if err := batch.Append(trimmed, nowMs); err != nil {
+		if err := batch.Append(telemetrytypes.SignalLogs, telemetrylogs.LogsV2BodyPromotedColumn, "JSON()", telemetrytypes.FieldContextBody, trimmed, 0, releaseTime); err != nil {
 			_ = batch.Abort()
 			return errors.WrapInternalf(err, CodeFailedToAppendPath, "failed to append path")
 		}

pkg/telemetrymetadata/metadata.go

@@ -1616,40 +1616,52 @@ func (t *telemetryMetaStore) FetchTemporality(ctx context.Context, queryTimeRang
 }
 
 func (t *telemetryMetaStore) FetchTemporalityMulti(ctx context.Context, queryTimeRangeStartTs, queryTimeRangeEndTs uint64, metricNames ...string) (map[string]metrictypes.Temporality, error) {
+	temporalities, _, err := t.FetchTemporalityAndTypeMulti(ctx, queryTimeRangeStartTs, queryTimeRangeEndTs, metricNames...)
+	return temporalities, err
+}
+
+func (t *telemetryMetaStore) FetchTemporalityAndTypeMulti(ctx context.Context, queryTimeRangeStartTs, queryTimeRangeEndTs uint64, metricNames ...string) (map[string]metrictypes.Temporality, map[string]metrictypes.Type, error) {
 	if len(metricNames) == 0 {
-		return make(map[string]metrictypes.Temporality), nil
+		return make(map[string]metrictypes.Temporality), make(map[string]metrictypes.Type), nil
 	}
 
-	result := make(map[string]metrictypes.Temporality)
-	metricsTemporality, err := t.fetchMetricsTemporality(ctx, queryTimeRangeStartTs, queryTimeRangeEndTs, metricNames...)
+	temporalities := make(map[string]metrictypes.Temporality)
+	types := make(map[string]metrictypes.Type)
+	metricsTemporality, metricTypes, err := t.fetchMetricsTemporalityAndType(ctx, queryTimeRangeStartTs, queryTimeRangeEndTs, metricNames...)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 	// TODO: return error after table migration are run
-	meterMetricsTemporality, _ := t.fetchMeterSourceMetricsTemporality(ctx, metricNames...)
+	meterMetricsTemporality, meterMetricsTypes, _ := t.fetchMeterSourceMetricsTemporalityAndType(ctx, metricNames...)
 
 	// For metrics not found in the database, set to Unknown
 	for _, metricName := range metricNames {
 		if temporality, exists := metricsTemporality[metricName]; exists && len(temporality) > 0 {
 			if len(temporality) > 1 {
-				result[metricName] = metrictypes.Multiple
+				temporalities[metricName] = metrictypes.Multiple
 			} else {
-				result[metricName] = temporality[0]
+				temporalities[metricName] = temporality[0]
 			}
-			continue
+		} else if temporality, exists := meterMetricsTemporality[metricName]; exists {
+			temporalities[metricName] = temporality
+		} else {
+			temporalities[metricName] = metrictypes.Unknown
 		}
-		if temporality, exists := meterMetricsTemporality[metricName]; exists {
-			result[metricName] = temporality
-			continue
+		if metricType, exists := metricTypes[metricName]; exists {
+			types[metricName] = metricType
+		} else if meterMetricType, exists := meterMetricsTypes[metricName]; exists {
+			types[metricName] = meterMetricType
+		} else {
+			types[metricName] = metrictypes.UnspecifiedType
 		}
-		result[metricName] = metrictypes.Unknown
 	}
 
-	return result, nil
+	return temporalities, types, nil
 }
 
-func (t *telemetryMetaStore) fetchMetricsTemporality(ctx context.Context, queryTimeRangeStartTs, queryTimeRangeEndTs uint64, metricNames ...string) (map[string][]metrictypes.Temporality, error) {
-	result := make(map[string][]metrictypes.Temporality)
+func (t *telemetryMetaStore) fetchMetricsTemporalityAndType(ctx context.Context, queryTimeRangeStartTs, queryTimeRangeEndTs uint64, metricNames ...string) (map[string][]metrictypes.Temporality, map[string]metrictypes.Type, error) {
+	temporalities := make(map[string][]metrictypes.Temporality)
+	types := make(map[string]metrictypes.Type)
 
 	adjustedStartTs, adjustedEndTs, tsTableName, _ := telemetrymetrics.WhichTSTableToUse(queryTimeRangeStartTs, queryTimeRangeEndTs, nil)
 
@@ -1660,6 +1672,8 @@ func (t *telemetryMetaStore) fetchMetricsTemporality(ctx context.Context, queryT
 	sb := sqlbuilder.Select(
 		"metric_name",
 		"temporality",
+		"any(type) AS type",
+		"any(is_monotonic) as is_monotonic",
 	).
 		From(t.metricsDBName + "." + tsTableName)
 
@@ -1678,47 +1692,42 @@ func (t *telemetryMetaStore) fetchMetricsTemporality(ctx context.Context, queryT
 
 	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, args...)
 	if err != nil {
-		return nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "failed to fetch metric temporality")
+		return nil, nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "failed to fetch metric temporality")
 	}
 	defer rows.Close()
 
 	// Process results
 	for rows.Next() {
-		var metricName, temporalityStr string
-		if err := rows.Scan(&metricName, &temporalityStr); err != nil {
-			return nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "failed to scan temporality result")
-		}
-
-		// Convert string to Temporality type
+		var metricName string
 		var temporality metrictypes.Temporality
-		switch temporalityStr {
-		case "Delta":
-			temporality = metrictypes.Delta
-		case "Cumulative":
-			temporality = metrictypes.Cumulative
-		case "Unspecified":
-			temporality = metrictypes.Unspecified
-		default:
-			// Unknown or empty temporality
-			temporality = metrictypes.Unknown
+		var metricType metrictypes.Type
+		var isMonotonic bool
+		if err := rows.Scan(&metricName, &temporality, &metricType, &isMonotonic); err != nil {
+			return nil, nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "failed to scan temporality result")
 		}
 		if temporality != metrictypes.Unknown {
-			result[metricName] = append(result[metricName], temporality)
+			temporalities[metricName] = append(temporalities[metricName], temporality)
 		}
+		if metricType == metrictypes.SumType && !isMonotonic {
+			metricType = metrictypes.GaugeType
+		}
+		types[metricName] = metricType
 	}
 	if err := rows.Err(); err != nil {
-		return nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "error iterating over metrics temporality rows")
+		return nil, nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "error iterating over metrics temporality rows")
 	}
 
-	return result, nil
+	return temporalities, types, nil
 }
 
-func (t *telemetryMetaStore) fetchMeterSourceMetricsTemporality(ctx context.Context, metricNames ...string) (map[string]metrictypes.Temporality, error) {
-	result := make(map[string]metrictypes.Temporality)
+func (t *telemetryMetaStore) fetchMeterSourceMetricsTemporalityAndType(ctx context.Context, metricNames ...string) (map[string]metrictypes.Temporality, map[string]metrictypes.Type, error) {
+	temporalities := make(map[string]metrictypes.Temporality)
+	types := make(map[string]metrictypes.Type)
 
 	sb := sqlbuilder.Select(
 		"metric_name",
 		"argMax(temporality, unix_milli) as temporality",
+		"any(type) AS type",
 	).From(t.meterDBName + "." + t.meterFieldsTblName)
 
 	// Filter by metric names (in the temporality column due to data mix-up)
@@ -1733,35 +1742,27 @@ func (t *telemetryMetaStore) fetchMeterSourceMetricsTemporality(ctx context.Cont
 
 	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, args...)
 	if err != nil {
-		return nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "failed to fetch meter metric temporality")
+		return nil, nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "failed to fetch meter metric temporality")
 	}
 	defer rows.Close()
 
 	// Process results
 	for rows.Next() {
-		var metricName, temporalityStr string
-		if err := rows.Scan(&metricName, &temporalityStr); err != nil {
-			return nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "failed to scan temporality result")
-		}
-
-		// Convert string to Temporality type
+		var metricName string
 		var temporality metrictypes.Temporality
-		switch temporalityStr {
-		case "Delta":
-			temporality = metrictypes.Delta
-		case "Cumulative":
-			temporality = metrictypes.Cumulative
-		case "Unspecified":
-			temporality = metrictypes.Unspecified
-		default:
-			// Unknown or empty temporality
-			temporality = metrictypes.Unknown
+		var metricType metrictypes.Type
+		var isMonotonic bool
+		if err := rows.Scan(&metricName, &temporality, &metricType, &isMonotonic); err != nil {
+			return nil, nil, errors.Wrapf(err, errors.TypeInternal, errors.CodeInternal, "failed to scan temporality result")
 		}
-
-		result[metricName] = temporality
+		if metricType == metrictypes.SumType && !isMonotonic {
+			metricType = metrictypes.GaugeType
+		}
+		temporalities[metricName] = temporality
+		types[metricName] = metricType
 	}
 
-	return result, nil
+	return temporalities, types, nil
 }
 
 // chunkSizeFirstSeenMetricMetadata limits the number of tuples per SQL query to avoid hitting the max_query_size limit.

pkg/telemetrymetadata/tables.go

@@ -7,6 +7,7 @@ const (
 	AttributesMetadataTableName      = "distributed_attributes_metadata"
 	AttributesMetadataLocalTableName = "attributes_metadata"
 	PathTypesTableName               = otelcollectorconst.DistributedPathTypesTable
-	PromotedPathsTableName           = otelcollectorconst.DistributedPromotedPathsTable
+	// Column Evolution table stores promoted paths as (signal, column_name, field_context, field_name); see signoz-otel-collector metadata_migrations.
+	PromotedPathsTableName           = "distributed_column_evolution_metadata"
 	SkipIndexTableName               = "system.data_skipping_indices"
 )

pkg/telemetrymetrics/statement_builder.go

@@ -123,8 +123,7 @@ func (b *MetricQueryStatementBuilder) buildPipelineStatement(
 	origTimeAgg := query.Aggregations[0].TimeAggregation
 	origGroupBy := slices.Clone(query.GroupBy)
 
-	if query.Aggregations[0].SpaceAggregation.IsPercentile() &&
-		query.Aggregations[0].Type != metrictypes.ExpHistogramType {
+	if query.Aggregations[0].Type == metrictypes.HistogramType {
 		// add le in the group by if doesn't exist
 		leExists := false
 		for _, g := range query.GroupBy {
@@ -154,7 +153,11 @@ func (b *MetricQueryStatementBuilder) buildPipelineStatement(
 		}
 
 		// make the time aggregation rate and space aggregation sum
-		query.Aggregations[0].TimeAggregation = metrictypes.TimeAggregationRate
+		if query.Aggregations[0].SpaceAggregation.IsPercentile() {
+			query.Aggregations[0].TimeAggregation = metrictypes.TimeAggregationRate
+		} else {
+			query.Aggregations[0].TimeAggregation = metrictypes.TimeAggregationIncrease
+		}
 		query.Aggregations[0].SpaceAggregation = metrictypes.SpaceAggregationSum
 	}
 
@@ -551,6 +554,9 @@ func (b *MetricQueryStatementBuilder) BuildFinalSelect(
 	cteArgs [][]any,
 	query qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation],
 ) (*qbtypes.Statement, error) {
+	metricType := query.Aggregations[0].Type
+	spaceAgg := query.Aggregations[0].SpaceAggregation
+
 	combined := querybuilder.CombineCTEs(cteFragments)
 
 	var args []any
@@ -560,12 +566,8 @@ func (b *MetricQueryStatementBuilder) BuildFinalSelect(
 
 	sb := sqlbuilder.NewSelectBuilder()
 
-	var quantile float64
-	if query.Aggregations[0].SpaceAggregation.IsPercentile() {
-		quantile = query.Aggregations[0].SpaceAggregation.Percentile()
-	}
-
-	if quantile != 0 && query.Aggregations[0].Type != metrictypes.ExpHistogramType {
+	if metricType == metrictypes.HistogramType && spaceAgg.IsPercentile() {
+		quantile := query.Aggregations[0].SpaceAggregation.Percentile()
 		sb.Select("ts")
 		for _, g := range query.GroupBy {
 			sb.SelectMore(fmt.Sprintf("`%s`", g.TelemetryFieldKey.Name))
@@ -577,12 +579,36 @@ func (b *MetricQueryStatementBuilder) BuildFinalSelect(
 		sb.From("__spatial_aggregation_cte")
 		sb.GroupBy(querybuilder.GroupByKeys(query.GroupBy)...)
 		sb.GroupBy("ts")
+		if query.Having != nil && query.Having.Expression != "" {
+			rewriter := querybuilder.NewHavingExpressionRewriter()
+			rewrittenExpr := rewriter.RewriteForMetrics(query.Having.Expression, query.Aggregations)
+			sb.Having(rewrittenExpr)
+		}
+	} else if metricType == metrictypes.HistogramType && spaceAgg == metrictypes.SpaceAggregationCount && query.Aggregations[0].ComparisonSpaceAggregationParam != nil {
+		sb.Select("ts")
+
+		for _, g := range query.GroupBy {
+			sb.SelectMore(fmt.Sprintf("`%s`", g.TelemetryFieldKey.Name))
+		}
+
+		aggQuery, err := AggregationQueryForHistogramCountWithParams(query.Aggregations[0].ComparisonSpaceAggregationParam)
+		if err != nil {
+			return nil, err
+		}
+		sb.SelectMore(aggQuery)
+
+		sb.From("__spatial_aggregation_cte")
+
+		sb.GroupBy(querybuilder.GroupByKeys(query.GroupBy)...)
+		sb.GroupBy("ts")
+
 		if query.Having != nil && query.Having.Expression != "" {
 			rewriter := querybuilder.NewHavingExpressionRewriter()
 			rewrittenExpr := rewriter.RewriteForMetrics(query.Having.Expression, query.Aggregations)
 			sb.Having(rewrittenExpr)
 		}
 	} else {
+		// for count aggregation on histograms with no params, the exact result of spatial aggregation can be sent forward
 		sb.Select("*")
 		sb.From("__spatial_aggregation_cte")
 		if query.Having != nil && query.Having.Expression != "" {
@@ -593,6 +619,9 @@ func (b *MetricQueryStatementBuilder) BuildFinalSelect(
 	}
 	sb.OrderBy(querybuilder.GroupByKeys(query.GroupBy)...)
 	sb.OrderBy("ts")
+	if metricType == metrictypes.HistogramType && spaceAgg == metrictypes.SpaceAggregationCount && query.Aggregations[0].ComparisonSpaceAggregationParam == nil {
+		sb.OrderBy("toFloat64(le)")
+	}
 
 	q, a := sb.BuildWithFlavor(sqlbuilder.ClickHouse)
 	return &qbtypes.Statement{Query: combined + q, Args: append(args, a...)}, nil