feat: add semconv migration product surfaces

* feat(onboarding): add HCP Vault, OpenTelemetry eBPF, Langflow, Cohere, and Auth0 datasources

Add UI onboarding configurations (logos + datasource entries) so these tools
appear in the Add Data Source onboarding flow. SVG logos optimized with svgo.

Closes signoz.io#3614 (HCP Vault)
Closes signoz.io#3626 (OpenTelemetry eBPF / OBI)
Closes signoz.io#3680 (Langflow)
Closes signoz.io#3702 (Cohere)
Closes signoz.io#3562 (Auth0)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* feat(onboarding): add PgBouncer datasource

Add PgBouncer (PostgreSQL connection pooler) metrics onboarding entry,
reusing the existing PostgreSQL logo.

Closes signoz.io#3553 (PgBouncer)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* chore(onboarding): update SVG logos and category of datasources

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-authored-by: Jugal Kishore <jugal@signoz.io>

.github/workflows/goci.yaml

@@ -53,6 +53,21 @@ jobs:
     with:
       PRIMUS_REF: main
       GO_VERSION: 1.24
+  semconv-generated:
+    if: |
+      github.event_name == 'merge_group' ||
+      (github.event_name == 'pull_request' && ! github.event.pull_request.head.repo.fork && github.event.pull_request.user.login != 'dependabot[bot]' && ! contains(github.event.pull_request.labels.*.name, 'safe-to-test')) ||
+      (github.event_name == 'pull_request_target' && contains(github.event.pull_request.labels.*.name, 'safe-to-test'))
+    runs-on: ubuntu-latest
+    steps:
+      - name: self-checkout
+        uses: actions/checkout@v4
+      - name: go-install
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.24"
+      - name: check-semconv-generated-files
+        run: go run ./scripts/semconv -check
   build:
     if: |
       github.event_name == 'merge_group' ||

Makefile

@@ -220,6 +220,18 @@ py-test-teardown: ## Tear down the shared SigNoz backend
 py-test: ## Runs integration tests
 	@cd tests && uv run pytest --basetemp=./tmp/ -vv --capture=no integration/tests/
 
+.PHONY: py-test-semconv-phase1
+py-test-semconv-phase1: py-test-setup ## Rebuild the shared stack and run the semantic-convention Phase 1 matrix
+	@cd tests && uv run pytest --basetemp=./tmp/ -vv --reuse --capture=no integration/tests/queriertraces/13_semconv_evolution.py
+
+.PHONY: py-test-semconv-phase2
+py-test-semconv-phase2: py-test-setup ## Rebuild the shared stack and run the Phase 1-2 cross-signal matrices
+	@cd tests && uv run pytest --basetemp=./tmp/ -vv --reuse --capture=no integration/tests/queriertraces/13_semconv_evolution.py integration/tests/queriersemconv/02_cross_signal.py
+
+.PHONY: py-test-semconv-phase3
+py-test-semconv-phase3: py-test-setup ## Rebuild the shared stack and run the Phase 1-3 compatibility and migration-report matrices
+	@cd tests && uv run pytest --basetemp=./tmp/ -vv --reuse --capture=no integration/tests/queriertraces/13_semconv_evolution.py integration/tests/queriersemconv/02_cross_signal.py
+
 .PHONY: py-clean
 py-clean: ## Clear all pycache and pytest cache from tests directory recursively
 	@echo ">> cleaning python cache files from tests directory"
@@ -233,6 +245,10 @@ py-clean: ## Clear all pycache and pytest cache from tests directory recursively
 ##############################################################
 # generate commands
 ##############################################################
+.PHONY: semconv-generate
+semconv-generate: ## Regenerate semantic-convention families for Go and TypeScript
+	@go run ./scripts/semconv
+
 .PHONY: gen-mocks
 gen-mocks:
 	@echo ">> Generating mocks"

frontend/src/api/semconv/getMigrationReport.ts

@@ -0,0 +1,9 @@
+import axios from 'api';
+import { SemconvMigrationReport } from 'types/api/semconvMigration';
+
+async function getSemconvMigrationReport(): Promise<SemconvMigrationReport> {
+	const response = await axios.get('/fields/semconv-migration');
+	return response.data.data;
+}
+
+export default getSemconvMigrationReport;

frontend/src/assets/Logos/amazon-bedrock.svg

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frontend/src/assets/Logos/apache-druid.svg

@@ -1,3 +1,3 @@
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frontend/src/assets/Logos/apache.svg

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+</svg>

frontend/src/assets/Logos/auth0.svg

@@ -0,0 +1 @@
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frontend/src/assets/Logos/baseten.svg

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frontend/src/assets/Logos/cohere.svg

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frontend/src/assets/Logos/dbos.svg

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frontend/src/assets/Logos/dspy.svg

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frontend/src/assets/Logos/elasticsearch.svg

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frontend/src/assets/Logos/groq.svg

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frontend/src/assets/Logos/haproxy.svg

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frontend/src/assets/Logos/hcp-vault.svg

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frontend/src/assets/Logos/langflow.svg

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frontend/src/assets/Logos/open-webui.svg

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frontend/src/assets/Logos/planetscale.svg

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frontend/src/assets/Logos/rabbitmq.svg

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frontend/src/assets/Logos/railway.svg

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frontend/src/assets/Logos/scala.svg

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+<path d="M30.55,94.83C32.4,97.38,48,102.19,71.27,107.2c23.27,4.46,47.47,22.07,66.29,16.64,12.73-3.68,26.54-36.47,26.54-41.34V82c0-3.4-2.55-6.13-6.88-8.4-17.75-9.07-21.11-12.41-27.69-10.6C95.37,72.43,35.06,67.61,30.55,94.83Z" fill="#de3423" fill-rule="evenodd"/>
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+<path d="M521.71,125.62c14.11-1.32,19.09-3.15,19.09-9.62,0-5.15-4.64-9.13-13.94-9.13q-13.44,0-22.41,10.95l-12.28-10.46c8.13-11.45,19.58-17.09,34.36-17.09,20.75,0,33.7,10,33.7,27.05v37c0,5.81,2.15,6.48,7,6.48h.5v15.43c-2,1.17-5.15,1.83-9.3,1.83-4.48,0-8-1.33-10.62-4a13.94,13.94,0,0,1-3-5.48c-5.81,6.8-15.27,10.29-28.39,10.29-18.42,0-30.87-10.13-30.87-25.4C485.53,136.41,497,127.78,521.71,125.62ZM519.39,162c13.28,0,21.41-6,21.41-16.6v-9.3a9.73,9.73,0,0,1-4.15,2.49c-3.81,1.33-6.3,1.66-14.27,2.49-11.62,1.33-17.43,5-17.43,10.79C505,158.33,510.26,162,519.39,162Z" fill="#de3423"/>
 </svg>

frontend/src/components/QuickFilters/FilterRenderers/Checkbox/LogsQuickFilterEmptyState.tsx

@@ -5,7 +5,7 @@ import { ArrowUpRight } from '@signozhq/icons';
 
 const QUICK_FILTER_DOC_PATHS: Record<string, string> = {
 	severity_text: 'severity-text',
-	'deployment.environment': 'environment',
+	'deployment.environment.name': 'environment',
 	'service.name': 'service-name',
 	'host.name': 'hostname',
 	'k8s.cluster.name': 'k8s-cluster-name',

frontend/src/components/Semconv/SemconvEditorWarning.tsx

@@ -0,0 +1,32 @@
+import { Alert } from 'antd';
+import { findOldSemconvNames } from 'utils/semconv';
+
+interface SemconvEditorWarningProps {
+	value: unknown;
+	editor: string;
+}
+
+function SemconvEditorWarning({
+	value,
+	editor,
+}: SemconvEditorWarningProps): JSX.Element | null {
+	const text = typeof value === 'string' ? value : JSON.stringify(value ?? '');
+	const renames = findOldSemconvNames(text);
+	if (renames.length === 0) {
+		return null;
+	}
+
+	return (
+		<Alert
+			type="warning"
+			showIcon
+			data-testid="semconv-editor-warning"
+			message={`${editor} contains renamed OpenTelemetry fields`}
+			description={renames
+				.map(({ old, current }) => `${old} → ${current}`)
+				.join(', ')}
+		/>
+	);
+}
+
+export default SemconvEditorWarning;

frontend/src/components/Semconv/SemconvOldNameBadge.tsx

@@ -0,0 +1,23 @@
+import { Badge } from '@signozhq/ui/badge';
+import { getSemconvRename } from 'utils/semconv';
+
+interface SemconvOldNameBadgeProps {
+	name: string;
+}
+
+function SemconvOldNameBadge({
+	name,
+}: SemconvOldNameBadgeProps): JSX.Element | null {
+	const rename = getSemconvRename(name);
+	if (!rename || rename.family.kind !== 'attribute') {
+		return null;
+	}
+
+	return (
+		<Badge color="amber" variant="outline" data-testid="semconv-old-name-badge">
+			old name, renamed to {rename.current}
+		</Badge>
+	);
+}
+
+export default SemconvOldNameBadge;

frontend/src/components/Semconv/__tests__/Semconv.test.tsx

@@ -0,0 +1,39 @@
+import { render, screen } from '@testing-library/react';
+
+import SemconvEditorWarning from '../SemconvEditorWarning';
+import SemconvOldNameBadge from '../SemconvOldNameBadge';
+
+describe('semantic convention product hints', () => {
+	it('badges an old raw attribute with its current name', () => {
+		render(<SemconvOldNameBadge name="deployment.environment" />);
+
+		expect(screen.getByTestId('semconv-old-name-badge')).toHaveTextContent(
+			'old name, renamed to deployment.environment.name',
+		);
+	});
+
+	it('does not badge a current raw attribute', () => {
+		render(<SemconvOldNameBadge name="deployment.environment.name" />);
+
+		expect(
+			screen.queryByTestId('semconv-old-name-badge'),
+		).not.toBeInTheDocument();
+	});
+
+	it('shows an informational editor warning without disabling the editor', () => {
+		render(
+			<>
+				<input aria-label="query" defaultValue="db.system = 'postgresql'" />
+				<SemconvEditorWarning
+					value="db.system = 'postgresql'"
+					editor="ClickHouse SQL"
+				/>
+			</>,
+		);
+
+		expect(screen.getByLabelText('query')).not.toBeDisabled();
+		expect(screen.getByTestId('semconv-editor-warning')).toHaveTextContent(
+			'db.system → db.system.name',
+		);
+	});
+});

frontend/src/components/Semconv/index.ts

@@ -0,0 +1,2 @@
+export { default as SemconvEditorWarning } from './SemconvEditorWarning';
+export { default as SemconvOldNameBadge } from './SemconvOldNameBadge';

frontend/src/constants/generated/semconvFamilies.gen.ts

@@ -0,0 +1,59 @@
+// Code generated by scripts/semconv. DO NOT EDIT.
+
+export type SemconvFamily = {
+	readonly current: string;
+	readonly old: readonly string[];
+	readonly kind: 'attribute' | 'metric';
+	readonly contexts: readonly string[];
+	readonly signals: readonly string[];
+	readonly applyToMetrics: readonly string[];
+	readonly valueMap: Readonly<Record<string, string>>;
+};
+
+export const SEMCONV_FAMILIES: readonly SemconvFamily[] = [
+	{
+		current: 'container.cpu.usage',
+		old: ['container.cpu.utilization'],
+		kind: 'metric',
+		contexts: ['metric'],
+		signals: ['metrics'],
+		applyToMetrics: [],
+		valueMap: {},
+	},
+	{
+		current: 'db.system.name',
+		old: ['db.system'],
+		kind: 'attribute',
+		contexts: ['attribute', 'resource'],
+		signals: ['logs', 'metrics', 'traces'],
+		applyToMetrics: [],
+		valueMap: {},
+	},
+	{
+		current: 'deployment.environment.name',
+		old: ['deployment.environment'],
+		kind: 'attribute',
+		contexts: ['attribute', 'resource'],
+		signals: ['logs', 'metrics', 'traces'],
+		applyToMetrics: [],
+		valueMap: {},
+	},
+	{
+		current: 'k8s.node.cpu.usage',
+		old: ['k8s.node.cpu.utilization'],
+		kind: 'metric',
+		contexts: ['metric'],
+		signals: ['metrics'],
+		applyToMetrics: [],
+		valueMap: {},
+	},
+	{
+		current: 'k8s.pod.cpu.usage',
+		old: ['k8s.pod.cpu.utilization'],
+		kind: 'metric',
+		contexts: ['metric'],
+		signals: ['metrics'],
+		applyToMetrics: [],
+		valueMap: {},
+	},
+] as const;

frontend/src/container/ApiMonitoring/Explorer/Domains/DomainList.tsx

@@ -155,7 +155,7 @@ function DomainList(): JSX.Element {
 					dataSource={DataSource.TRACES}
 					queryData={query}
 					onChange={handleSearchChange}
-					placeholder="Enter your filter query (e.g., deployment.environment = 'otel-demo' AND service.name = 'frontend')"
+					placeholder="Enter your filter query (e.g., deployment.environment.name = 'otel-demo' AND service.name = 'frontend')"
 					hardcodedAttributeKeys={ApiMonitoringHardcodedAttributeKeys}
 				/>
 			</div>

frontend/src/container/ApiMonitoring/constants.ts

@@ -6,9 +6,9 @@ import { SPAN_ATTRIBUTES } from './Explorer/Domains/DomainDetails/constants';
 export const ApiMonitoringHardcodedAttributeKeys: QueryKeyDataSuggestionsProps[] =
 	[
 		{
-			label: 'deployment.environment',
+			label: 'deployment.environment.name',
 			type: 'resource',
-			name: 'deployment.environment',
+			name: 'deployment.environment.name',
 			signal: 'traces',
 			fieldDataType: QUERY_BUILDER_KEY_TYPES.STRING,
 		},

frontend/src/container/ApiMonitoring/utils.tsx

@@ -87,7 +87,7 @@ export const ApiMonitoringQuickFiltersConfig: IQuickFiltersConfig[] = [
 		title: 'Environment',
 
 		attributeKey: {
-			key: 'deployment.environment',
+			key: 'deployment.environment.name',
 			dataType: DataTypes.String,
 			type: 'resource',
 		},

frontend/src/container/InfraMonitoringK8sV2/constants.ts

@@ -112,7 +112,7 @@ export const INFRA_MONITORING_ATTR_KEYS = {
 	K8S_OBJECT_NAME: 'k8s.object.name',
 
 	// Environment
-	DEPLOYMENT_ENVIRONMENT: 'deployment.environment',
+	DEPLOYMENT_ENVIRONMENT: 'deployment.environment.name',
 
 	// Host System
 	OS_TYPE: 'os.type',
@@ -733,7 +733,7 @@ export const ENTITY_FILTER_PLACEHOLDERS: Record<InfraMonitoringEntity, string> =
 		[InfraMonitoringEntity.NAMESPACES]:
 			"Enter your filter query (e.g., k8s.namespace.name = 'production' AND k8s.cluster.name = 'prod-cluster')",
 		[InfraMonitoringEntity.CLUSTERS]:
-			"Enter your filter query (e.g., k8s.cluster.name = 'prod-cluster' AND deployment.environment = 'production')",
+			"Enter your filter query (e.g., k8s.cluster.name = 'prod-cluster' AND deployment.environment.name = 'production')",
 		[InfraMonitoringEntity.DEPLOYMENTS]:
 			"Enter your filter query (e.g., k8s.deployment.name = 'api-server' AND k8s.namespace.name = 'production')",
 		[InfraMonitoringEntity.STATEFULSETS]:

frontend/src/container/IngestionSettings/IngestionSettings.styles.scss

@@ -2,6 +2,17 @@
 	color: white;
 }
 
+.semconv-migration-report {
+	margin-top: 32px;
+	display: flex;
+	flex-direction: column;
+	gap: 12px;
+
+	.ant-table-wrapper {
+		margin-top: 4px;
+	}
+}
+
 .ingestion-key-container {
 	margin-top: 24px;
 	display: flex;

frontend/src/container/IngestionSettings/IngestionSettings.tsx

@@ -5,6 +5,8 @@ import getIngestionData from 'api/settings/getIngestionData';
 import { useAppContext } from 'providers/App/App';
 import { IngestionDataType } from 'types/api/settings/ingestion';
 
+import SemconvMigrationReport from './SemconvMigrationReport';
+
 import './IngestionSettings.styles.scss';
 
 export default function IngestionSettings(): JSX.Element {
@@ -84,6 +86,7 @@ export default function IngestionSettings(): JSX.Element {
 				dataSource={data}
 				bordered
 			/>
+			<SemconvMigrationReport />
 		</div>
 	);
 }

frontend/src/container/IngestionSettings/MultiIngestionSettings.tsx

@@ -83,6 +83,8 @@ import { MeterAggregateOperator } from 'types/common/queryBuilder';
 import { USER_ROLES } from 'types/roles';
 import { getDaysUntilExpiry } from 'utils/timeUtils';
 
+import SemconvMigrationReport from './SemconvMigrationReport';
+
 import './IngestionSettings.styles.scss';
 
 const { Option } = Select;
@@ -1705,6 +1707,7 @@ function MultiIngestionSettings(): JSX.Element {
 					}}
 					className="ingestion-keys-table"
 				/>
+				<SemconvMigrationReport />
 			</div>
 
 			{/* Delete Key Modal */}

frontend/src/container/IngestionSettings/SemconvMigrationReport.tsx

@@ -0,0 +1,72 @@
+import { useQuery } from 'react-query';
+import { Alert, Table, TableColumnsType } from 'antd';
+import { Typography } from '@signozhq/ui/typography';
+import getSemconvMigrationReport from 'api/semconv/getMigrationReport';
+import dayjs from 'dayjs';
+import { SemconvMigrationReportEntry } from 'types/api/semconvMigration';
+
+function SemconvMigrationReport(): JSX.Element {
+	const { data, isLoading, isError } = useQuery({
+		queryKey: ['semconv-migration-report'],
+		queryFn: getSemconvMigrationReport,
+	});
+
+	const columns: TableColumnsType<SemconvMigrationReportEntry> = [
+		{
+			title: 'Old name',
+			dataIndex: 'old',
+			key: 'old',
+		},
+		{
+			title: 'Current name',
+			dataIndex: 'current',
+			key: 'current',
+		},
+		{
+			title: 'Signal',
+			dataIndex: 'signal',
+			key: 'signal',
+		},
+		{
+			title: 'Services still sending only the old name',
+			dataIndex: 'services',
+			key: 'services',
+			render: (services: string[]): string => services.join(', '),
+		},
+		{
+			title: 'Last seen',
+			dataIndex: 'lastSeenUnixMilli',
+			key: 'lastSeenUnixMilli',
+			render: (value: number): string =>
+				dayjs(value).format('YYYY-MM-DD HH:mm:ss'),
+		},
+	];
+
+	return (
+		<section className="semconv-migration-report">
+			<Typography.Title level={4}>Semantic convention migration</Typography.Title>
+			<Typography.Text>
+				Services in this report sent an old OpenTelemetry field during the last 24
+				hours without sending its current replacement. Update their SDK or
+				instrumentation when practical; SigNoz queries remain backward compatible.
+			</Typography.Text>
+			{isError && (
+				<Alert
+					type="error"
+					showIcon
+					message="Could not load the semantic convention migration report"
+				/>
+			)}
+			<Table
+				loading={isLoading}
+				columns={columns}
+				dataSource={data?.entries ?? []}
+				rowKey={(entry): string => `${entry.current}-${entry.old}-${entry.signal}`}
+				pagination={false}
+				locale={{ emptyText: 'No old-only services found in the last 24 hours' }}
+			/>
+		</section>
+	);
+}
+
+export default SemconvMigrationReport;

frontend/src/container/LLMObservability/AttributeMapping/TestTab/spanInputStorage.ts

@@ -15,7 +15,7 @@ export const SAMPLE_SPAN_JSON = `{
   },
   "resource": {
     "service.name": "llm-gateway",
-    "deployment.environment": "production"
+    "deployment.environment.name": "production"
   }
 }`;
 

frontend/src/container/LLMObservability/Overview/json/dashboard.json

@@ -1120,7 +1120,7 @@
           "plugin": {
             "kind": "signoz/QueryVariable",
             "spec": {
-              "queryValue": "SELECT DISTINCT resources_string['deployment.environment'] AS environment FROM signoz_traces.distributed_signoz_index_v3 WHERE mapContains(resources_string, 'deployment.environment') AND timestamp >= now() - INTERVAL 1 DAY"
+              "queryValue": "SELECT DISTINCT resources_string['deployment.environment.name'] AS environment FROM signoz_traces.distributed_signoz_index_v3 WHERE mapContains(resources_string, 'deployment.environment.name') AND timestamp >= now() - INTERVAL 1 DAY"
             }
           }
         }

frontend/src/container/LogDetailedView/FieldRenderer.tsx

@@ -1,6 +1,7 @@
 import { Divider } from '@signozhq/ui/divider';
 import { TooltipSimple } from '@signozhq/ui/tooltip';
 import { Typography } from '@signozhq/ui/typography';
+import { SemconvOldNameBadge } from 'components/Semconv';
 
 import { TagContainer, TagLabel, TagValue } from './FieldRenderer.styles';
 import { FieldRendererProps } from './LogDetailedView.types';
@@ -28,6 +29,7 @@ function FieldRenderer({ field }: FieldRendererProps): JSX.Element {
 						<Typography.Text truncate={1} className="label">
 							{newField}{' '}
 						</Typography.Text>
+						<SemconvOldNameBadge name={newField} />
 					</TooltipSimple>
 
 					<div className="tags">
@@ -47,7 +49,10 @@ function FieldRenderer({ field }: FieldRendererProps): JSX.Element {
 					</div>
 				</>
 			) : (
-				<span className="label">{field}</span>
+				<>
+					<span className="label">{field}</span>
+					<SemconvOldNameBadge name={field} />
+				</>
 			)}
 		</span>
 	);

frontend/src/container/LogsExplorerContext/__tests__/useInitialQuery.test.ts

@@ -164,7 +164,9 @@ describe('useInitialQuery - Priority-Based Resource Filtering', () => {
 							value: 'frontend-service',
 						}),
 						expect.objectContaining({
-							key: expect.objectContaining({ key: 'deployment.environment' }),
+							key: expect.objectContaining({
+								key: 'deployment.environment.name',
+							}),
 							value: 'production',
 						}),
 						expect.objectContaining({
@@ -286,7 +288,9 @@ describe('useInitialQuery - Priority-Based Resource Filtering', () => {
 							value: 'legacy-app',
 						}),
 						expect.objectContaining({
-							key: expect.objectContaining({ key: 'deployment.environment' }),
+							key: expect.objectContaining({
+								key: 'deployment.environment.name',
+							}),
 							value: 'production',
 						}),
 						expect.objectContaining({

frontend/src/container/LogsExplorerContext/utils.ts

@@ -6,13 +6,14 @@ import {
 	TagFilterItem,
 } from 'types/api/queryBuilder/queryBuilderData';
 import { v4 as uuid } from 'uuid';
+import { getSemconvRename } from 'utils/semconv';
 
 const FALLBACK_STARTS_WITH_REGEX = /^(k8s|cloud|host|deployment)/; // regex to filter out resources that start with the specified keywords
 const FALLBACK_CONTAINS_REGEX = /(env|service|file|container|tenant)/; // regex to filter out resources that contains the specified keywords
 
 // Priority categories for filter selection
 // Strategy:
-// - Always include: service.name, deployment.environment, env, environment
+// - Always include: service.name, deployment.environment.name, env, environment
 // - Select ONE category only: stops at the first category with a matching attribute
 // - Within category: picks the first available attribute by order
 // - Order (highest to lowest priority): Kubernetes > Cloud > Host > Container
@@ -26,27 +27,36 @@ const PRIORITY_CATEGORIES = [
 
 const SERVICE_AND_ENVIRONMENT_KEYS = [
 	'service.name',
-	'deployment.environment',
+	'deployment.environment.name',
 	'env',
 	'environment',
 ];
 
 export const getFiltersFromResources = (
 	resources: ILog['resources_string'],
-): TagFilterItem[] =>
-	Object.keys(resources).map((key: string) => {
+): TagFilterItem[] => {
+	const items = new Map<string, TagFilterItem>();
+	Object.keys(resources).forEach((key: string) => {
+		const currentKey = getSemconvRename(key)?.current ?? key;
 		const resourceValue = resources[key] as string;
-		return {
+		const item = {
 			id: uuid(),
 			key: {
-				key,
+				key: currentKey,
 				dataType: DataTypes.String,
 				type: 'resource',
 			},
 			op: OPERATORS['='],
 			value: resourceValue,
 		};
+		// If raw data contains both names, retain the current value just like the
+		// backend's current-first resolver.
+		if (!items.has(currentKey) || key === currentKey) {
+			items.set(currentKey, item);
+		}
 	});
+	return Array.from(items.values());
+};
 
 export const isServiceOrEnvironmentAttribute = (key: string): boolean =>
 	SERVICE_AND_ENVIRONMENT_KEYS.includes(key);

frontend/src/container/MetricsApplication/Tabs/DBCall.tsx

@@ -94,7 +94,7 @@ function DBCall(): JSX.Element {
 		featureFlags?.find((flag) => flag.name === FeatureKeys.DOT_METRICS_ENABLED)
 			?.active || false;
 
-	const legend = dotMetricsEnabled ? '{{db.system}}' : '{{db_system}}';
+	const legend = dotMetricsEnabled ? '{{db.system.name}}' : '{{db_system_name}}';
 
 	const databaseCallsRPSWidget = useMemo(
 		() =>

frontend/src/container/MetricsApplication/Tabs/util.ts

@@ -28,7 +28,7 @@ import { v4 as uuid } from 'uuid';
 
 export const dbSystemTags: Tags[] = [
 	{
-		Key: 'db.system.(string)',
+		Key: 'db.system.name.(string)',
 		StringValues: [''],
 		NumberValues: [],
 		BoolValues: [],

frontend/src/container/MetricsApplication/constant.ts

@@ -103,7 +103,7 @@ export enum WidgetKeys {
 	SignozExternalCallLatencySum = 'signoz_external_call_latency_sum',
 	Signoz_latency_bucket_norm = 'signoz_latency_bucket',
 	Signoz_latency_bucket = 'signoz_latency.bucket',
-	Db_system = 'db.system',
+	Db_system = 'db.system.name',
 	Db_system_norm = 'db_system',
 }
 

frontend/src/container/NewWidget/LeftContainer/QuerySection/QueryBuilder/ClickHouse/query.tsx

@@ -2,6 +2,7 @@ import { ChangeEvent, useCallback } from 'react';
 import MEditor, { Monaco } from '@monaco-editor/react';
 import { Color } from '@signozhq/design-tokens';
 import { Input } from 'antd';
+import { SemconvEditorWarning } from 'components/Semconv';
 import { LEGEND } from 'constants/global';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useIsDarkMode } from 'hooks/useDarkMode';
@@ -118,6 +119,7 @@ function ClickHouseQueryBuilder({
 				theme={isDarkMode ? 'my-theme' : 'light'}
 				beforeMount={setEditorTheme}
 			/>
+			<SemconvEditorWarning value={queryData?.query} editor="ClickHouse SQL" />
 			<Input
 				onChange={handleUpdateInput}
 				name="legend"

frontend/src/container/NewWidget/LeftContainer/QuerySection/QueryBuilder/promQL/query.tsx

@@ -1,6 +1,7 @@
 import { ChangeEvent, useCallback } from 'react';
 import { Input } from 'antd';
 import { LEGEND } from 'constants/global';
+import { SemconvEditorWarning } from 'components/Semconv';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { IPromQLQuery } from 'types/api/queryBuilder/queryBuilderData';
 import { EQueryType } from 'types/common/dashboard';
@@ -66,6 +67,7 @@ function PromQLQueryBuilder({
 				style={{ marginBottom: '0.5rem' }}
 				data-testid="promql-query-input"
 			/>
+			<SemconvEditorWarning value={queryData?.query} editor="PromQL" />
 
 			<Input
 				onChange={handleUpdateQuery}

frontend/src/container/OnboardingV2Container/onboarding-configs/onboarding-config-with-links.ts

@@ -5,9 +5,11 @@ import androidJavaMonitoringUrl from '@/assets/Logos/android-java-monitoring.svg
 import androidKotlinMonitoringUrl from '@/assets/Logos/android-kotlin-monitoring.svg';
 import anthropicApiMonitoringUrl from '@/assets/Logos/anthropic-api-monitoring.svg';
 import apacheDruidUrl from '@/assets/Logos/apache-druid.svg';
+import apacheUrl from '@/assets/Logos/apache.svg';
 import apiGatewayUrl from '@/assets/Logos/api-gateway.svg';
 import argocdUrl from '@/assets/Logos/argocd.svg';
 import aspnetUrl from '@/assets/Logos/aspnet.svg';
+import auth0Url from '@/assets/Logos/auth0.svg';
 import autogenUrl from '@/assets/Logos/autogen.svg';
 import awsAlbUrl from '@/assets/Logos/aws-alb.svg';
 import azureAppServiceUrl from '@/assets/Logos/azure-app-service.svg';
@@ -27,6 +29,7 @@ import claudeCodeUrl from '@/assets/Logos/claude-code.svg';
 import clickhouseUrl from '@/assets/Logos/clickhouse.svg';
 import cloudflareUrl from '@/assets/Logos/cloudflare.svg';
 import cloudwatchLogsUrl from '@/assets/Logos/cloudwatch-logs.svg';
+import cohereUrl from '@/assets/Logos/cohere.svg';
 import confluentKafkaUrl from '@/assets/Logos/confluent-kafka.svg';
 import convexLogoUrl from '@/assets/Logos/convex-logo.svg';
 import cppUrl from '@/assets/Logos/cpp.svg';
@@ -39,11 +42,13 @@ import denoUrl from '@/assets/Logos/deno.svg';
 import dockerUrl from '@/assets/Logos/docker.svg';
 import documentLoadUrl from '@/assets/Logos/document-load.svg';
 import dotnetUrl from '@/assets/Logos/dotnet.svg';
+import dspyUrl from '@/assets/Logos/dspy.svg';
 import dynamodbUrl from '@/assets/Logos/dynamodb.svg';
 import ec2Url from '@/assets/Logos/ec2.svg';
 import ecsUrl from '@/assets/Logos/ecs.svg';
 import eksUrl from '@/assets/Logos/eks.svg';
 import elasticacheUrl from '@/assets/Logos/elasticache.svg';
+import elasticsearchUrl from '@/assets/Logos/elasticsearch.svg';
 import elbUrl from '@/assets/Logos/elb.svg';
 import elixirUrl from '@/assets/Logos/elixir.svg';
 import elkUrl from '@/assets/Logos/elk.svg';
@@ -73,8 +78,10 @@ import grafanaUrl from '@/assets/Logos/grafana.svg';
 import graphqlUrl from '@/assets/Logos/graphql.svg';
 import grokUrl from '@/assets/Logos/grok.svg';
 import groqUrl from '@/assets/Logos/groq.svg';
+import haproxyUrl from '@/assets/Logos/haproxy.svg';
 import hasuraUrl from '@/assets/Logos/hasura.svg';
 import haystackUrl from '@/assets/Logos/haystack.svg';
+import hcpVaultUrl from '@/assets/Logos/hcp-vault.svg';
 import herokuUrl from '@/assets/Logos/heroku.svg';
 import honeycombUrl from '@/assets/Logos/honeycomb.svg';
 import hostmetricsUrl from '@/assets/Logos/hostmetrics.svg';
@@ -92,6 +99,7 @@ import kafkaUrl from '@/assets/Logos/kafka.svg';
 import kubernetesUrl from '@/assets/Logos/kubernetes.svg';
 import lambdaUrl from '@/assets/Logos/lambda.svg';
 import langchainUrl from '@/assets/Logos/langchain.svg';
+import langflowUrl from '@/assets/Logos/langflow.svg';
 import langtraceUrl from '@/assets/Logos/langtrace.svg';
 import litellmUrl from '@/assets/Logos/litellm.svg';
 import livekitUrl from '@/assets/Logos/livekit.svg';
@@ -117,6 +125,7 @@ import ollamaUrl from '@/assets/Logos/ollama.svg';
 import openaiUrl from '@/assets/Logos/openai.svg';
 import openclawUrl from '@/assets/Logos/openclaw.svg';
 import opencodeUrl from '@/assets/Logos/opencode.svg';
+import openWebuiUrl from '@/assets/Logos/open-webui.svg';
 import openlitUrl from '@/assets/Logos/openlit.svg';
 import openrouterUrl from '@/assets/Logos/openrouter.svg';
 import opentelemetryUrl from '@/assets/Logos/opentelemetry.svg';
@@ -131,6 +140,7 @@ import pythonUrl from '@/assets/Logos/python.svg';
 import quarkusUrl from '@/assets/Logos/quarkus.svg';
 import quickstartUrl from '@/assets/Logos/quickstart.svg';
 import qwenUrl from '@/assets/Logos/qwen.svg';
+import rabbitmqUrl from '@/assets/Logos/rabbitmq.svg';
 import railwayUrl from '@/assets/Logos/railway.svg';
 import rdsUrl from '@/assets/Logos/rds.svg';
 import reactjsUrl from '@/assets/Logos/reactjs.svg';
@@ -3937,6 +3947,58 @@ const onboardingConfigWithLinks = [
 		],
 		link: '/docs/claude-code-monitoring/',
 	},
+	{
+		dataSource: 'cohere',
+		label: 'Cohere',
+		imgUrl: cohereUrl,
+		tags: ['LLM Monitoring'],
+		module: 'apm',
+		relatedSearchKeywords: [
+			'cohere',
+			'cohere api',
+			'cohere logs',
+			'cohere metrics',
+			'cohere monitoring',
+			'cohere observability',
+			'cohere traces',
+			'llm',
+			'llm monitoring',
+			'logging',
+			'logs',
+			'metrics',
+			'monitoring',
+			'observability',
+			'otel cohere integration',
+			'telemetry',
+		],
+		link: '/docs/cohere-monitoring/',
+	},
+	{
+		dataSource: 'langflow',
+		label: 'Langflow',
+		imgUrl: langflowUrl,
+		tags: ['LLM Monitoring'],
+		module: 'apm',
+		relatedSearchKeywords: [
+			'langflow',
+			'langflow logs',
+			'langflow metrics',
+			'langflow monitoring',
+			'langflow observability',
+			'langflow traces',
+			'llm',
+			'llm monitoring',
+			'logging',
+			'logs',
+			'low code ai',
+			'metrics',
+			'monitoring',
+			'observability',
+			'otel langflow integration',
+			'telemetry',
+		],
+		link: '/docs/langflow-observability/',
+	},
 	{
 		dataSource: 'deepseek-api',
 		label: 'DeepSeek API',
@@ -5483,12 +5545,32 @@ const onboardingConfigWithLinks = [
 		relatedSearchKeywords: [
 			'infrastructure',
 			'traefik',
+			'traefik access logs',
+			'traefik logs',
 			'traefik metrics',
 			'traefik monitoring',
 			'traefik observability',
 			'traefik tracing',
 		],
 		link: '/docs/tutorial/traefik-observability/',
+		question: {
+			desc: 'Which Traefik signals do you want to send to SigNoz?',
+			type: 'select',
+			options: [
+				{
+					key: 'traefik-metrics-traces',
+					label: 'Metrics & Traces',
+					imgUrl: opentelemetryUrl,
+					link: '/docs/tutorial/traefik-observability/',
+				},
+				{
+					key: 'traefik-logs',
+					label: 'Access Logs',
+					imgUrl: opentelemetryUrl,
+					link: '/docs/integrations/opentelemetry-traefik/',
+				},
+			],
+		},
 	},
 	{
 		dataSource: 'mongodb-atlas',
@@ -5518,11 +5600,32 @@ const onboardingConfigWithLinks = [
 		relatedSearchKeywords: [
 			'database',
 			'mysql',
+			'mysql error log',
+			'mysql logs',
 			'mysql metrics',
 			'mysql monitoring',
 			'mysql observability',
+			'mysql slow query log',
 		],
 		link: '/docs/metrics-management/mysql-metrics/',
+		question: {
+			desc: 'Which MySQL signals do you want to send to SigNoz?',
+			type: 'select',
+			options: [
+				{
+					key: 'mysql-metrics',
+					label: 'Metrics',
+					imgUrl: opentelemetryUrl,
+					link: '/docs/metrics-management/mysql-metrics/',
+				},
+				{
+					key: 'mysql-logs',
+					label: 'Logs',
+					imgUrl: opentelemetryUrl,
+					link: '/docs/integrations/opentelemetry-mysql/',
+				},
+			],
+		},
 	},
 	{
 		dataSource: 'jmx',
@@ -6467,6 +6570,30 @@ const onboardingConfigWithLinks = [
 		id: 'cert-manager',
 		link: '/docs/infrastructure-monitoring/cert-manager/',
 	},
+	{
+		dataSource: 'pgbouncer',
+		label: 'PgBouncer',
+		imgUrl: postgresqlUrl,
+		tags: ['infrastructure monitoring', 'metrics'],
+		module: 'metrics',
+		relatedSearchKeywords: [
+			'connection pooler',
+			'connection pooling',
+			'database',
+			'metrics',
+			'monitoring',
+			'observability',
+			'opentelemetry pgbouncer',
+			'pgbouncer',
+			'pgbouncer metrics',
+			'pgbouncer monitoring',
+			'pgbouncer observability',
+			'postgres',
+			'postgresql',
+		],
+		id: 'pgbouncer',
+		link: '/docs/metrics-management/opentelemetry-pgbouncer/',
+	},
 	{
 		dataSource: 'graphql',
 		label: 'GraphQL',
@@ -6491,6 +6618,28 @@ const onboardingConfigWithLinks = [
 		id: 'graphql',
 		link: '/docs/instrumentation/javascript/opentelemetry-graphql/',
 	},
+	{
+		dataSource: 'opentelemetry-ebpf',
+		label: 'OpenTelemetry eBPF (OBI)',
+		imgUrl: opentelemetryUrl,
+		tags: ['apm/traces'],
+		module: 'apm',
+		relatedSearchKeywords: [
+			'auto instrumentation',
+			'ebpf',
+			'obi',
+			'opentelemetry ebpf',
+			'opentelemetry obi',
+			'otel ebpf',
+			'zero code instrumentation',
+			'monitoring',
+			'observability',
+			'traces',
+			'tracing',
+		],
+		id: 'opentelemetry-ebpf',
+		link: '/docs/instrumentation/opentelemetry-ebpf/',
+	},
 	{
 		dataSource: 'railway',
 		label: 'Railway',
@@ -6513,6 +6662,54 @@ const onboardingConfigWithLinks = [
 		id: 'railway',
 		link: '/docs/integrations/outposts/railway/',
 	},
+	{
+		dataSource: 'hcp-vault',
+		label: 'HCP Vault',
+		imgUrl: hcpVaultUrl,
+		tags: ['logs'],
+		module: 'logs',
+		relatedSearchKeywords: [
+			'hashicorp',
+			'hashicorp vault',
+			'hcp',
+			'hcp vault',
+			'hcp vault logs',
+			'hcp vault monitoring',
+			'hcp vault observability',
+			'log forwarding',
+			'logging',
+			'logs',
+			'monitoring',
+			'observability',
+			'secrets management',
+			'vault',
+		],
+		id: 'hcp-vault',
+		link: '/docs/integrations/outposts/hcp-vault/',
+	},
+	{
+		dataSource: 'auth0',
+		label: 'Auth0',
+		imgUrl: auth0Url,
+		tags: ['logs'],
+		module: 'logs',
+		relatedSearchKeywords: [
+			'auth0',
+			'auth0 logs',
+			'auth0 monitoring',
+			'auth0 observability',
+			'authentication',
+			'authorization',
+			'identity',
+			'log forwarding',
+			'logging',
+			'logs',
+			'monitoring',
+			'observability',
+		],
+		id: 'auth0',
+		link: '/docs/integrations/outposts/auth0/',
+	},
 	{
 		dataSource: 'aspnet-core-metrics',
 		label: 'ASP.NET Core Metrics',
@@ -6632,5 +6829,164 @@ const onboardingConfigWithLinks = [
 		id: 'apache-druid',
 		link: '/docs/integrations/opentelemetry-apache-druid/',
 	},
+	{
+		dataSource: 'apache',
+		label: 'Apache HTTP Server',
+		imgUrl: apacheUrl,
+		tags: ['infrastructure monitoring', 'metrics', 'logs'],
+		module: 'metrics',
+		relatedSearchKeywords: [
+			'apache',
+			'apache access logs',
+			'apache error logs',
+			'apache http server',
+			'apache httpd',
+			'apache logs',
+			'apache metrics',
+			'apache monitoring',
+			'apache observability',
+			'httpd',
+			'infrastructure monitoring',
+			'logs',
+			'metrics',
+			'mod_status',
+			'monitoring',
+			'observability',
+			'opentelemetry apache',
+			'web server',
+		],
+		id: 'apache',
+		link: '/docs/integrations/opentelemetry-apache/',
+	},
+	{
+		dataSource: 'haproxy',
+		label: 'HAProxy',
+		imgUrl: haproxyUrl,
+		tags: ['infrastructure monitoring', 'metrics', 'logs'],
+		module: 'metrics',
+		relatedSearchKeywords: [
+			'haproxy',
+			'haproxy logs',
+			'haproxy metrics',
+			'haproxy monitoring',
+			'haproxy observability',
+			'infrastructure monitoring',
+			'load balancer',
+			'logs',
+			'metrics',
+			'monitoring',
+			'observability',
+			'opentelemetry haproxy',
+			'proxy',
+			'reverse proxy',
+			'syslog',
+		],
+		id: 'haproxy',
+		link: '/docs/integrations/opentelemetry-haproxy/',
+	},
+	{
+		dataSource: 'elasticsearch',
+		label: 'Elasticsearch',
+		imgUrl: elasticsearchUrl,
+		tags: ['database'],
+		module: 'metrics',
+		relatedSearchKeywords: [
+			'cluster health',
+			'database',
+			'elastic',
+			'elasticsearch',
+			'elasticsearch logs',
+			'elasticsearch metrics',
+			'elasticsearch monitoring',
+			'elasticsearch observability',
+			'logs',
+			'metrics',
+			'monitoring',
+			'observability',
+			'opentelemetry elasticsearch',
+			'search engine',
+		],
+		id: 'elasticsearch',
+		link: '/docs/integrations/opentelemetry-elasticsearch/',
+	},
+	{
+		dataSource: 'rabbitmq',
+		label: 'RabbitMQ',
+		imgUrl: rabbitmqUrl,
+		tags: ['Messaging Queues'],
+		module: 'metrics',
+		relatedSearchKeywords: [
+			'amqp',
+			'broker',
+			'logs',
+			'messaging',
+			'messaging queues',
+			'metrics',
+			'monitoring',
+			'observability',
+			'opentelemetry rabbitmq',
+			'queues',
+			'rabbitmq',
+			'rabbitmq logs',
+			'rabbitmq metrics',
+			'rabbitmq monitoring',
+			'rabbitmq observability',
+		],
+		id: 'rabbitmq',
+		link: '/docs/integrations/opentelemetry-rabbitmq/',
+	},
+	{
+		dataSource: 'open-webui',
+		label: 'Open WebUI',
+		imgUrl: openWebuiUrl,
+		tags: ['LLM Monitoring'],
+		module: 'apm',
+		relatedSearchKeywords: [
+			'llm',
+			'llm monitoring',
+			'logs',
+			'metrics',
+			'monitoring',
+			'observability',
+			'open webui',
+			'open webui logs',
+			'open webui metrics',
+			'open webui monitoring',
+			'open webui observability',
+			'open webui traces',
+			'openlit',
+			'openwebui',
+			'otel open webui integration',
+			'self hosted chat ui',
+			'traces',
+			'tracing',
+		],
+		id: 'open-webui',
+		link: '/docs/open-webui-monitoring/',
+	},
+	{
+		dataSource: 'dspy',
+		label: 'DSPy',
+		imgUrl: dspyUrl,
+		tags: ['LLM Monitoring'],
+		module: 'apm',
+		relatedSearchKeywords: [
+			'dspy',
+			'dspy monitoring',
+			'dspy observability',
+			'dspy traces',
+			'llm',
+			'llm monitoring',
+			'monitoring',
+			'observability',
+			'openinference',
+			'otel dspy integration',
+			'prompt optimization',
+			'traces',
+			'tracing',
+		],
+		id: 'dspy',
+		link: '/docs/dspy-observability/',
+	},
 ];
 export default onboardingConfigWithLinks;

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

@@ -1,6 +1,7 @@
 import { useTranslation } from 'react-i18next';
 import { Form } from 'antd';
 import { initialQueryBuilderFormValuesMap } from 'constants/queryBuilder';
+import { SemconvEditorWarning } from 'components/Semconv';
 import QueryBuilderSearchV2 from 'container/QueryBuilder/filters/QueryBuilderSearchV2/QueryBuilderSearchV2';
 import isEqual from 'lodash-es/isEqual';
 import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
@@ -55,6 +56,7 @@ function TagFilterInputWithLogsResultPreview({
 				value={value}
 				onChange={onChange}
 			/>
+			<SemconvEditorWarning value={value} editor="Pipeline filter" />
 			<div className="pipeline-filter-input-preview-container">
 				<LogsFilterPreview filter={value} />
 			</div>

frontend/src/hooks/useResourceAttribute/__tests__/ResourceProvider.test.tsx

@@ -424,7 +424,7 @@ describe('ResourceProvider', () => {
 			await waitFor(() => {
 				expect(result.current.queries).toHaveLength(1);
 				expect(result.current.queries[0]).toMatchObject({
-					tagKey: 'resource_deployment_environment',
+					tagKey: 'resource_deployment_environment_name',
 					operator: 'IN',
 					tagValue: ['production'],
 				});
@@ -435,7 +435,7 @@ describe('ResourceProvider', () => {
 			const seeded = [
 				{
 					id: 'env',
-					tagKey: 'resource_deployment_environment',
+					tagKey: 'resource_deployment_environment_name',
 					operator: 'IN',
 					tagValue: ['production'],
 				},
@@ -459,7 +459,7 @@ describe('ResourceProvider', () => {
 
 			await waitFor(() => {
 				const tagKeys = result.current.queries.map((q) => q.tagKey);
-				expect(tagKeys).not.toContain('resource_deployment_environment');
+				expect(tagKeys).not.toContain('resource_deployment_environment_name');
 				expect(tagKeys).toContain('resource_service_name');
 			});
 		});
@@ -468,7 +468,7 @@ describe('ResourceProvider', () => {
 			const seeded = [
 				{
 					id: 'env',
-					tagKey: 'resource_deployment_environment',
+					tagKey: 'resource_deployment_environment_name',
 					operator: 'IN',
 					tagValue: ['production'],
 				},
@@ -486,7 +486,7 @@ describe('ResourceProvider', () => {
 
 			await waitFor(() => {
 				const envQueries = result.current.queries.filter(
-					(q) => q.tagKey === 'resource_deployment_environment',
+					(q) => q.tagKey === 'resource_deployment_environment_name',
 				);
 				expect(envQueries).toHaveLength(1);
 				expect(envQueries[0].tagValue).toStrictEqual(['staging']);
@@ -518,7 +518,7 @@ describe('ResourceProvider', () => {
 
 			await waitFor(() => {
 				expect(result.current.queries[0].tagKey).toBe(
-					'resource_deployment.environment',
+					'resource_deployment.environment.name',
 				);
 			});
 		});

frontend/src/hooks/useResourceAttribute/__tests__/whitelistedKeys.test.ts

@@ -6,13 +6,13 @@ import { mappingWithRoutesAndKeys } from '../utils';
 describe('useResourceAttribute config', () => {
 	describe('whilelistedKeys', () => {
 		it('should include underscore-notation keys (DOT_METRICS_ENABLED=false)', () => {
-			expect(whilelistedKeys).toContain('resource_deployment_environment');
+			expect(whilelistedKeys).toContain('resource_deployment_environment_name');
 			expect(whilelistedKeys).toContain('resource_k8s_cluster_name');
 			expect(whilelistedKeys).toContain('resource_k8s_cluster_namespace');
 		});
 
 		it('should include dot-notation keys (DOT_METRICS_ENABLED=true)', () => {
-			expect(whilelistedKeys).toContain('resource_deployment.environment');
+			expect(whilelistedKeys).toContain('resource_deployment.environment.name');
 			expect(whilelistedKeys).toContain('resource_k8s.cluster.name');
 			expect(whilelistedKeys).toContain('resource_k8s.cluster.namespace');
 		});
@@ -21,8 +21,8 @@ describe('useResourceAttribute config', () => {
 	describe('mappingWithRoutesAndKeys', () => {
 		const dotNotationFilters = [
 			{
-				label: 'deployment.environment',
-				value: 'resource_deployment.environment',
+				label: 'deployment.environment.name',
+				value: 'resource_deployment.environment.name',
 			},
 			{ label: 'k8s.cluster.name', value: 'resource_k8s.cluster.name' },
 			{ label: 'k8s.cluster.namespace', value: 'resource_k8s.cluster.namespace' },
@@ -30,8 +30,8 @@ describe('useResourceAttribute config', () => {
 
 		const underscoreNotationFilters = [
 			{
-				label: 'deployment.environment',
-				value: 'resource_deployment_environment',
+				label: 'deployment.environment.name',
+				value: 'resource_deployment_environment_name',
 			},
 			{ label: 'k8s.cluster.name', value: 'resource_k8s_cluster_name' },
 			{ label: 'k8s.cluster.namespace', value: 'resource_k8s_cluster_namespace' },

frontend/src/hooks/useResourceAttribute/config.ts

@@ -1,6 +1,6 @@
 export const whilelistedKeys = [
-	'resource_deployment_environment',
-	'resource_deployment.environment',
+	'resource_deployment_environment_name',
+	'resource_deployment.environment.name',
 	'resource_k8s_cluster_name',
 	'resource_k8s.cluster.name',
 	'resource_k8s_cluster_namespace',

frontend/src/hooks/useResourceAttribute/utils.ts

@@ -148,9 +148,9 @@ export const getResourceDeploymentKeys = (
 	dotMetricsEnabled: boolean,
 ): string => {
 	if (dotMetricsEnabled) {
-		return 'resource_deployment.environment';
+		return 'resource_deployment.environment.name';
 	}
-	return 'resource_deployment_environment';
+	return 'resource_deployment_environment_name';
 };
 
 export const GetTagKeys = async (

frontend/src/pages/LogsExplorer/utils.tsx

@@ -40,7 +40,7 @@ export const LogsQuickFiltersConfig: IQuickFiltersConfig[] = [
 		type: FiltersType.CHECKBOX,
 		title: 'Environment',
 		attributeKey: {
-			key: 'deployment.environment',
+			key: 'deployment.environment.name',
 			dataType: DataTypes.String,
 			type: 'resource',
 		},

frontend/src/pages/TraceDetailsV3/SpanDetailsPanel/SpanDetailsPanel.tsx

@@ -11,6 +11,7 @@ import { Skeleton } from 'antd';
 import { DetailsHeader, DetailsPanelDrawer } from 'components/DetailsPanel';
 import { HeaderAction } from 'components/DetailsPanel/DetailsHeader/DetailsHeader';
 import { DetailsPanelState } from 'components/DetailsPanel/types';
+import { SemconvOldNameBadge } from 'components/Semconv';
 import { QueryParams } from 'constants/query';
 import {
 	initialQueryBuilderFormValuesMap,
@@ -108,6 +109,12 @@ function SpanDetailsContent({
 		() => getSpanDisplayData(selectedSpan),
 		[selectedSpan],
 	);
+	const semconvLabelSuffix = useCallback(
+		(fieldKey: string): React.ReactNode => (
+			<SemconvOldNameBadge name={fieldKey} />
+		),
+		[],
+	);
 
 	// Map span attribute actions to PrettyView actions format.
 	// Use the last key in fieldKeyPath (the actual attribute key), not the full display path.
@@ -329,6 +336,7 @@ function SpanDetailsContent({
 										visibleActions: VISIBLE_ACTIONS,
 										pinnedFieldsValue,
 										onPinnedFieldsChange,
+										labelSuffixRenderer: semconvLabelSuffix,
 									}}
 								/>
 							</TabsContent>

frontend/src/pages/TraceDetailsV3/SpanDetailsPanel/constants.ts

@@ -29,7 +29,7 @@ export const KEY_ATTRIBUTE_KEYS: Record<string, string[]> = {
 	traces: [
 		'service.name',
 		'service.namespace',
-		'deployment.environment',
+		'deployment.environment.name',
 		'timestamp',
 		'duration_nano',
 		'kind_string',

frontend/src/pages/TraceDetailsV3/TraceWaterfall/TraceWaterfallStates/Success/Filters/hooks/useSpanCategoryFilter.ts

@@ -22,7 +22,7 @@ export const SPAN_CATEGORIES: readonly SpanCategory[] = [
 
 // Map each category to the attribute key it filters on
 const CATEGORY_KEYS: Record<Exclude<SpanCategory, 'All'>, string> = {
-	Database: 'db.system',
+	Database: 'db.system.name',
 	HTTP: 'http.method',
 	Functions: 'kind_string',
 	Jobs: 'messaging.system',
@@ -34,7 +34,7 @@ const ALL_CATEGORY_KEYS = Object.values(CATEGORY_KEYS);
 
 // The expression clause to add for each category
 const CATEGORY_EXPRESSIONS: Record<Exclude<SpanCategory, 'All'>, string> = {
-	Database: 'db.system exists',
+	Database: 'db.system.name exists',
 	HTTP: 'http.method exists',
 	Functions: "kind_string = 'Internal'",
 	Jobs: 'messaging.system exists',

frontend/src/pages/TracesExplorer/Filter/Section.tsx

@@ -38,7 +38,7 @@ export function Section(props: SectionProps): JSX.Element {
 					'hasError',
 					'durationNano',
 					'serviceName',
-					'deployment.environment',
+					'deployment.environment.name',
 				]),
 			),
 		[selectedFilters],

frontend/src/pages/TracesExplorer/Filter/filterUtils.ts

@@ -14,7 +14,7 @@ export const AllTraceFilterKeyValue: Record<string, string> = {
 	durationNano: 'Duration',
 	duration_nano: 'Duration',
 	durationNanoMax: 'Duration',
-	'deployment.environment': 'Environment',
+	'deployment.environment.name': 'Environment',
 	hasError: 'Status',
 	has_error: 'Status',
 	serviceName: 'Service Name',
@@ -208,11 +208,11 @@ export const traceFilterKeys: Record<AllTraceFilterKeys, BaseAutocompleteData> =
 			id: 'serviceName--string--tag--true',
 		},
 
-		'deployment.environment': {
-			key: 'deployment.environment',
+		'deployment.environment.name': {
+			key: 'deployment.environment.name',
 			dataType: DataTypes.String,
 			type: 'resource',
-			id: 'deployment.environment--string--resource--false',
+			id: 'deployment.environment.name--string--resource--false',
 		},
 		name: {
 			key: 'name',

frontend/src/periscope/components/PrettyView/PrettyView.styles.scss

@@ -223,6 +223,12 @@
 		padding-left: 6px !important;
 	}
 
+	&__label {
+		display: inline-flex;
+		align-items: baseline;
+		gap: 6px;
+	}
+
 	&__pinned-icon {
 		flex-shrink: 0;
 		color: var(--text-robin-400);

frontend/src/periscope/components/PrettyView/PrettyView.tsx

@@ -67,6 +67,7 @@ export interface PrettyViewProps {
 	 */
 	pinnedFieldsValue?: string[];
 	onPinnedFieldsChange?: (next: string[]) => void;
+	labelSuffixRenderer?: (fieldKey: string) => React.ReactNode;
 }
 
 function PrettyView({
@@ -78,6 +79,7 @@ function PrettyView({
 	drawerKey = 'default',
 	pinnedFieldsValue,
 	onPinnedFieldsChange,
+	labelSuffixRenderer,
 }: PrettyViewProps): JSX.Element {
 	const isDarkMode = useIsDarkMode();
 	const [, setCopy] = useCopyToClipboard();
@@ -305,10 +307,24 @@ function PrettyView({
 						}}
 					/>
 					<span>{displayKey}</span>
+					{labelSuffixRenderer?.(displayKey)}
 				</span>
 			);
 		},
-		[togglePin, pinnedEntries],
+		[togglePin, pinnedEntries, labelSuffixRenderer],
+	);
+
+	const labelRenderer = useCallback(
+		(keyPath: KeyPath): React.ReactNode => {
+			const displayKey = String(keyPath[0]);
+			return (
+				<span className="pretty-view__label">
+					<span>{displayKey}</span>
+					{labelSuffixRenderer?.(displayKey)}
+				</span>
+			);
+		},
+		[labelSuffixRenderer],
 	);
 
 	return (
@@ -351,6 +367,7 @@ function PrettyView({
 				shouldExpandNodeInitially={shouldExpandNodeInitially}
 				valueRenderer={valueRenderer}
 				getItemString={getItemString}
+				labelRenderer={labelRenderer}
 			/>
 		</div>
 	);

frontend/src/types/api/semconvMigration.ts

@@ -0,0 +1,14 @@
+export interface SemconvMigrationReportEntry {
+	current: string;
+	old: string;
+	signal: string;
+	services: string[];
+	resourceSets: number;
+	lastSeenUnixMilli: number;
+}
+
+export interface SemconvMigrationReport {
+	startUnixMilli: number;
+	endUnixMilli: number;
+	entries: SemconvMigrationReportEntry[];
+}

frontend/src/utils/__tests__/queryContextUtils.test.ts

@@ -648,3 +648,176 @@ describe('getQueryContextAtCursor - trailing dot in key/value', () => {
 		expect(ctx.keyToken).toBe('k8s.namespace');
 	});
 });
+
+describe('getQueryContextAtCursor - partial operator', () => {
+	it('treats text after an incomplete key as an operator prefix', () => {
+		const q = 'service.name c';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.isInKey).toBe(false);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('c');
+		expect(ctx.currentPair).toStrictEqual(
+			expect.objectContaining({
+				key: 'service.name',
+				operator: 'c',
+				position: expect.objectContaining({
+					operatorStart: 13,
+					operatorEnd: 13,
+				}),
+			}),
+		);
+	});
+
+	it('keeps the operator context while completing contains', () => {
+		const q = 'service.name cont';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('cont');
+	});
+
+	it('treats cursor mid-token as operator context', () => {
+		const q = 'service.name cont';
+		// cursor sits between "con" and "t" — user still typing the operator
+		const ctx = getQueryContextAtCursor(q, 15);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.isInKey).toBe(false);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('cont');
+	});
+
+	it('keeps operator context when an AND conjunction precedes the pair', () => {
+		const q = 'a = 1 AND service.name c';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.isInKey).toBe(false);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('c');
+		expect(ctx.currentPair).toStrictEqual(
+			expect.objectContaining({
+				key: 'service.name',
+				operator: 'c',
+				position: expect.objectContaining({
+					operatorStart: 23,
+					operatorEnd: 23,
+				}),
+			}),
+		);
+	});
+
+	it('keeps operator context when an open parenthesis precedes the pair', () => {
+		const q = '(service.name c';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.isInKey).toBe(false);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('c');
+	});
+
+	it('re-glues a partial operator that follows a NOT negation', () => {
+		const q = 'service.name NOT c';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.isInKey).toBe(false);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('NOT c');
+		// operatorStart points at the partial operator (post-NOT), not at the
+		// negation — so suggestion selection only replaces the partial, never
+		// the user's typed NOT.
+		expect(ctx.currentPair).toStrictEqual(
+			expect.objectContaining({
+				key: 'service.name',
+				operator: 'NOT c',
+				hasNegation: true,
+				position: expect.objectContaining({
+					negationStart: 13,
+					negationEnd: 15,
+					operatorStart: 17,
+					operatorEnd: 17,
+				}),
+			}),
+		);
+	});
+
+	it('re-glues a multi-character partial operator after NOT', () => {
+		const q = 'service.name NOT lik';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('NOT lik');
+		expect(ctx.currentPair?.hasNegation).toBe(true);
+	});
+
+	it('re-glues an uppercase partial operator after NOT', () => {
+		const q = 'service.name NOT EXI';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('NOT EXI');
+		expect(ctx.currentPair?.hasNegation).toBe(true);
+	});
+
+	it('preserves original NOT casing in the operator text', () => {
+		const q = 'service.name not c';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('not c');
+		expect(ctx.currentPair?.hasNegation).toBe(true);
+	});
+
+	it('tolerates extra whitespace between NOT and the partial operator', () => {
+		const q = 'service.name NOT  c';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.keyToken).toBe('service.name');
+		// Display text uses a canonical single space between NOT and the
+		// partial, regardless of how many spaces the user typed.
+		expect(ctx.operatorToken).toBe('NOT c');
+		expect(ctx.currentPair?.hasNegation).toBe(true);
+	});
+
+	it('keeps operator context for NOT-prefixed partial inside parentheses', () => {
+		const q = '(service.name NOT c';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('NOT c');
+		expect(ctx.currentPair?.hasNegation).toBe(true);
+	});
+
+	it('keeps operator context for NOT-prefixed partial after an AND conjunction', () => {
+		const q = 'a = 1 AND service.name NOT c';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.keyToken).toBe('service.name');
+		expect(ctx.operatorToken).toBe('NOT c');
+		expect(ctx.currentPair?.hasNegation).toBe(true);
+	});
+
+	it('re-glues the most recent incomplete pair when three partial tokens are typed', () => {
+		// Pins documented behavior: with two trailing partial pairs (`c` and
+		// `k`), the heuristic pairs the most recent two — `c` becomes the
+		// key, `k` becomes the partial operator. The earlier `service.name`
+		// is dropped from the current pair view.
+		const q = 'service.name c k';
+		const ctx = getQueryContextAtCursor(q, q.length);
+
+		expect(ctx.isInOperator).toBe(true);
+		expect(ctx.keyToken).toBe('c');
+		expect(ctx.operatorToken).toBe('k');
+	});
+});

frontend/src/utils/__tests__/semconv.test.ts

@@ -0,0 +1,29 @@
+import { findOldSemconvNames, getSemconvRename } from 'utils/semconv';
+
+describe('semantic convention helpers', () => {
+	it('returns the current name for an old attribute', () => {
+		expect(getSemconvRename('deployment.environment')).toMatchObject({
+			old: 'deployment.environment',
+			current: 'deployment.environment.name',
+		});
+	});
+
+	it('finds old names in editor text without matching larger custom names', () => {
+		expect(
+			findOldSemconvNames(
+				"deployment.environment = 'prod' AND custom.db.system.value = 'x'",
+			),
+		).toStrictEqual([
+			expect.objectContaining({
+				old: 'deployment.environment',
+				current: 'deployment.environment.name',
+			}),
+		]);
+	});
+
+	it('does not warn for current names', () => {
+		expect(
+			findOldSemconvNames('deployment.environment.name = prod'),
+		).toStrictEqual([]);
+	});
+});

frontend/src/utils/queryContextUtils.ts

@@ -605,6 +605,98 @@ export function getQueryContextAtCursor(
 			queryPairs,
 		);
 
+		// Re-glue a partial operator that ANTLR has lexed as a second key.
+		//
+		// When the user types `service.name c` (or `service.name NOT c`), the
+		// lexer sees two KEY tokens (`service.name`, `c`) instead of a key +
+		// partial operator, so `extractQueryPairs` emits two consecutive
+		// key-only incomplete pairs. Downstream, that makes the dropdown
+		// suggest keys when it should be suggesting operators.
+		//
+		// Detect that pattern — a previous incomplete key-only pair followed
+		// by another incomplete key-only `currentPair`, separated only by
+		// whitespace (or by a negation token attached to the previous pair) —
+		// and rebuild a single synthetic pair where the previous pair's key
+		// is the key and the current pair's key is treated as the partial
+		// operator. The synthetic pair inherits the previous pair's negation
+		// flag and positions via the spread, so `NOT <partial>` propagates
+		// correctly to consumers.
+		const previousIncompletePair = queryPairs
+			.filter(
+				(pair) =>
+					!pair.isComplete &&
+					!!pair.key &&
+					!pair.operator &&
+					pair.position.keyEnd < (currentPair?.position.keyStart ?? cursorIndex),
+			)
+			.sort((a, b) => b.position.keyEnd - a.position.keyEnd)[0];
+
+		if (
+			previousIncompletePair &&
+			currentPair &&
+			currentPair !== previousIncompletePair &&
+			!currentPair.operator &&
+			currentPair.position.keyStart > previousIncompletePair.position.keyEnd
+		) {
+			const negationStart = previousIncompletePair.position.negationStart ?? 0;
+			const negationEnd = previousIncompletePair.position.negationEnd ?? 0;
+			const negationAfterKey =
+				previousIncompletePair.hasNegation &&
+				negationStart > previousIncompletePair.position.keyEnd;
+			const gapStart = negationAfterKey
+				? negationEnd + 1
+				: previousIncompletePair.position.keyEnd + 1;
+			const textBetweenPairs = query.slice(
+				gapStart,
+				currentPair.position.keyStart,
+			);
+
+			if (textBetweenPairs.trim() === '') {
+				// The replacement range (operatorStart/operatorEnd) must point
+				// at the partial operator only, NOT the leading negation.
+				// Consumers like QuerySearch use it to splice the chosen
+				// suggestion in-place, so including the negation would let a
+				// `NOT lik` -> `LIKE` selection erase the user's typed `NOT`.
+				// Matches the convention used for complete pairs in
+				// extractQueryPairs, where operatorStart starts after the
+				// negation token.
+				const operatorStart = currentPair.position.keyStart;
+				const operatorEnd = currentPair.position.keyEnd;
+				const partialOperator = query.slice(operatorStart, operatorEnd + 1);
+				const operatorText = negationAfterKey
+					? `${query.slice(negationStart, negationEnd + 1)} ${partialOperator}`
+					: partialOperator;
+
+				return {
+					tokenType: -1,
+					text: '',
+					start: cursorIndex,
+					stop: cursorIndex,
+					currentToken: operatorText,
+					isInKey: false,
+					isInNegation: false,
+					isInOperator: true,
+					isInValue: false,
+					isInConjunction: false,
+					isInFunction: false,
+					isInParenthesis: false,
+					isInBracketList: false,
+					keyToken: previousIncompletePair.key,
+					operatorToken: operatorText,
+					queryPairs,
+					currentPair: {
+						...previousIncompletePair,
+						operator: operatorText,
+						position: {
+							...previousIncompletePair.position,
+							operatorStart,
+							operatorEnd,
+						},
+					},
+				};
+			}
+		}
+
 		// Check if cursor is within any of the specific context boundaries
 		// FIXED: Include the case where the cursor is exactly at the end of a boundary
 		const isInKeyBoundary =

frontend/src/utils/semconv.ts

@@ -0,0 +1,50 @@
+import {
+	SEMCONV_FAMILIES,
+	SemconvFamily,
+} from 'constants/generated/semconvFamilies.gen';
+
+export type SemconvRename = {
+	old: string;
+	current: string;
+	family: SemconvFamily;
+};
+
+const OLD_NAMES = SEMCONV_FAMILIES.flatMap((family) =>
+	family.old.map((old) => ({ old, current: family.current, family })),
+);
+
+const OLD_NAME_INDEX = new Map(OLD_NAMES.map((rename) => [rename.old, rename]));
+
+export function getSemconvRename(name: string): SemconvRename | undefined {
+	return OLD_NAME_INDEX.get(name);
+}
+
+export function findOldSemconvNames(text: string): SemconvRename[] {
+	if (!text) {
+		return [];
+	}
+
+	return OLD_NAMES.filter(({ old }) => containsSemconvName(text, old));
+}
+
+function containsSemconvName(text: string, name: string): boolean {
+	let offset = 0;
+	while (offset < text.length) {
+		const index = text.indexOf(name, offset);
+		if (index === -1) {
+			return false;
+		}
+		const before = index === 0 ? '' : text[index - 1];
+		const afterIndex = index + name.length;
+		const after = afterIndex === text.length ? '' : text[afterIndex];
+		if (!isSemconvNameCharacter(before) && !isSemconvNameCharacter(after)) {
+			return true;
+		}
+		offset = index + 1;
+	}
+	return false;
+}
+
+function isSemconvNameCharacter(value: string): boolean {
+	return /[A-Za-z0-9_.-]/.test(value);
+}

pkg/apiserver/signozapiserver/fields.go

@@ -46,5 +46,23 @@ func (provider *provider) addFieldsRoutes(router *mux.Router) error {
 		return err
 	}
 
+	if err := router.Handle("/api/v1/fields/semconv-migration", handler.New(provider.authzMiddleware.ViewAccess(provider.fieldsHandler.GetSemconvMigrationReport), handler.OpenAPIDef{
+		ID:                  "GetSemconvMigrationReport",
+		Tags:                []string{"fields"},
+		Summary:             "Get semantic-convention migration report",
+		Description:         "Returns services that still emit old semantic-convention names without the current family name",
+		Request:             nil,
+		RequestQuery:        new(telemetrytypes.PostableSemconvMigrationReportParams),
+		RequestContentType:  "",
+		Response:            new(telemetrytypes.GettableSemconvMigrationReport),
+		ResponseContentType: "application/json",
+		SuccessStatusCode:   http.StatusOK,
+		ErrorStatusCodes:    []int{},
+		Deprecated:          false,
+		SecuritySchemes:     newSecuritySchemes(types.RoleViewer),
+	})).Methods(http.MethodGet).GetError(); err != nil {
+		return err
+	}
+
 	return nil
 }

pkg/modules/fields/handler.go

@@ -8,4 +8,7 @@ type Handler interface {
 
 	// Gets the fields values for the given field value selector
 	GetFieldsValues(http.ResponseWriter, *http.Request)
+
+	// Gets services that still emit only historical semantic-convention names.
+	GetSemconvMigrationReport(http.ResponseWriter, *http.Request)
 }

pkg/modules/fields/implfields/handler.go

@@ -2,6 +2,7 @@ package implfields
 
 import (
 	"net/http"
+	"time"
 
 	"github.com/SigNoz/signoz/pkg/factory"
 	"github.com/SigNoz/signoz/pkg/http/binding"
@@ -16,6 +17,43 @@ type handler struct {
 	telemetryMetadataStore telemetrytypes.MetadataStore
 }
 
+func (handler *handler) GetSemconvMigrationReport(rw http.ResponseWriter, req *http.Request) {
+	ctx := req.Context()
+
+	var params telemetrytypes.PostableSemconvMigrationReportParams
+	if err := binding.Query.BindQuery(req.URL.Query(), &params); err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	now := time.Now()
+	if params.EndUnixMilli == 0 {
+		params.EndUnixMilli = now.UnixMilli()
+	}
+	if params.StartUnixMilli == 0 {
+		params.StartUnixMilli = now.Add(-24 * time.Hour).UnixMilli()
+	}
+
+	claims, err := authtypes.ClaimsFromContext(ctx)
+	if err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	report, err := handler.telemetryMetadataStore.GetSemconvMigrationReport(
+		ctx,
+		valuer.MustNewUUID(claims.OrgID),
+		params.StartUnixMilli,
+		params.EndUnixMilli,
+	)
+	if err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	render.Success(rw, http.StatusOK, report)
+}
+
 func NewHandler(settings factory.ProviderSettings, telemetryMetadataStore telemetrytypes.MetadataStore) fields.Handler {
 	return &handler{
 		telemetryMetadataStore: telemetryMetadataStore,

pkg/querier/querier.go

@@ -786,10 +786,11 @@ func (q *querier) run(
 			Results: maps.Values(processedResults),
 		},
 		Meta: qbtypes.ExecStats{
-			RowsScanned:   stats.RowsScanned,
-			BytesScanned:  stats.BytesScanned,
-			DurationMS:    stats.DurationMS,
-			StepIntervals: stepIntervals,
+			RowsScanned:        stats.RowsScanned,
+			BytesScanned:       stats.BytesScanned,
+			DurationMS:         stats.DurationMS,
+			StepIntervals:      stepIntervals,
+			SemconvResolutions: semconvResolutionsForRequest(req),
 		},
 	}
 

pkg/querier/semconv_resolutions.go

@@ -0,0 +1,128 @@
+package querier
+
+import (
+	"encoding/json"
+	"slices"
+	"strings"
+	"unicode"
+
+	"github.com/SigNoz/signoz/pkg/semconv"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+)
+
+// semconvResolutionsForRequest reports only query-builder resolutions. Raw
+// ClickHouse SQL and PromQL are deliberately excluded: SigNoz does not rewrite
+// those languages and their editors surface non-blocking warnings instead.
+func semconvResolutionsForRequest(req *qbtypes.QueryRangeRequest) []qbtypes.SemconvResolution {
+	if req == nil {
+		return nil
+	}
+
+	resolutions := make([]qbtypes.SemconvResolution, 0)
+	seen := make(map[string]struct{})
+	for _, envelope := range req.CompositeQuery.Queries {
+		signal, applies := semconvResolutionSignal(envelope.Spec)
+		if !applies {
+			continue
+		}
+
+		payload, err := json.Marshal(envelope.Spec)
+		if err != nil {
+			continue
+		}
+		text := string(payload)
+
+		for _, family := range semconv.All() {
+			if _, ok := semconv.Lookup(family.Kind, telemetrytypes.FieldKeySelector{
+				Name:   family.Current,
+				Signal: signal,
+			}); !ok {
+				continue
+			}
+
+			for _, requested := range semconvRequestSpellings(family, signal) {
+				if !containsSemconvName(text, requested) {
+					continue
+				}
+				identity := family.Kind.StringValue() + "\x00" + requested + "\x00" + family.Current
+				if _, ok := seen[identity]; ok {
+					continue
+				}
+				seen[identity] = struct{}{}
+				resolutions = append(resolutions, qbtypes.SemconvResolution{
+					Requested: requested,
+					Current:   family.Current,
+					Members:   append([]string{family.Current}, family.Old...),
+					Kind:      family.Kind.StringValue(),
+				})
+			}
+		}
+	}
+
+	if len(resolutions) == 0 {
+		return nil
+	}
+	return resolutions
+}
+
+func semconvResolutionSignal(spec any) (telemetrytypes.Signal, bool) {
+	switch spec.(type) {
+	case qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation], qbtypes.QueryBuilderTraceOperator:
+		return telemetrytypes.SignalTraces, true
+	case qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]:
+		return telemetrytypes.SignalLogs, true
+	case qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]:
+		return telemetrytypes.SignalMetrics, true
+	case qbtypes.QueryBuilderJoin:
+		// Joins can contain more than one signal. An unspecified signal keeps
+		// family signal scopes in force while allowing every applicable family.
+		return telemetrytypes.SignalUnspecified, true
+	default:
+		return telemetrytypes.SignalUnspecified, false
+	}
+}
+
+func semconvRequestSpellings(family semconv.Family, signal telemetrytypes.Signal) []string {
+	spellings := append([]string{family.Current}, family.Old...)
+	if signal != telemetrytypes.SignalMetrics {
+		return spellings
+	}
+
+	logical := slices.Clone(spellings)
+	for _, name := range logical {
+		normalized := strings.ReplaceAll(name, ".", "_")
+		if !slices.Contains(spellings, normalized) {
+			spellings = append(spellings, normalized)
+		}
+		if family.Kind == semconv.KindAttribute {
+			for _, resourceName := range []string{"resource_" + name, "resource_" + normalized} {
+				if !slices.Contains(spellings, resourceName) {
+					spellings = append(spellings, resourceName)
+				}
+			}
+		}
+	}
+	return spellings
+}
+
+func containsSemconvName(text, name string) bool {
+	for offset := 0; offset < len(text); {
+		index := strings.Index(text[offset:], name)
+		if index < 0 {
+			return false
+		}
+		start := offset + index
+		end := start + len(name)
+		if (start == 0 || !isSemconvNameRune(rune(text[start-1]))) &&
+			(end == len(text) || !isSemconvNameRune(rune(text[end]))) {
+			return true
+		}
+		offset = start + 1
+	}
+	return false
+}
+
+func isSemconvNameRune(r rune) bool {
+	return unicode.IsLetter(r) || unicode.IsDigit(r) || r == '_' || r == '.' || r == '-'
+}

pkg/querier/semconv_resolutions_test.go

@@ -0,0 +1,70 @@
+package querier
+
+import (
+	"testing"
+
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSemconvResolutionsReportsOldTraceAttribute(t *testing.T) {
+	req := &qbtypes.QueryRangeRequest{
+		CompositeQuery: qbtypes.CompositeQuery{Queries: []qbtypes.QueryEnvelope{{
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation]{
+				Signal: telemetrytypes.SignalTraces,
+				Filter: &qbtypes.Filter{Expression: "deployment.environment = 'prod'"},
+			},
+		}}},
+	}
+
+	assert.Equal(t, []qbtypes.SemconvResolution{{
+		Requested: "deployment.environment",
+		Current:   "deployment.environment.name",
+		Members:   []string{"deployment.environment.name", "deployment.environment"},
+		Kind:      "attribute",
+	}}, semconvResolutionsForRequest(req), "old trace attribute should be reported as a family resolution")
+}
+
+func TestSemconvResolutionsReportsCurrentLogAttribute(t *testing.T) {
+	req := &qbtypes.QueryRangeRequest{
+		CompositeQuery: qbtypes.CompositeQuery{Queries: []qbtypes.QueryEnvelope{{
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]{
+				Signal: telemetrytypes.SignalLogs,
+				SelectFields: []telemetrytypes.TelemetryFieldKey{{
+					Name: "db.system.name",
+				}},
+			},
+		}}},
+	}
+
+	assert.Equal(t, []qbtypes.SemconvResolution{{
+		Requested: "db.system.name",
+		Current:   "db.system.name",
+		Members:   []string{"db.system.name", "db.system"},
+		Kind:      "attribute",
+	}}, semconvResolutionsForRequest(req), "current log attribute should identify its complete family")
+}
+
+func TestSemconvResolutionsIgnoresRawSQL(t *testing.T) {
+	req := &qbtypes.QueryRangeRequest{
+		CompositeQuery: qbtypes.CompositeQuery{Queries: []qbtypes.QueryEnvelope{{
+			Spec: qbtypes.ClickHouseQuery{Query: "SELECT attributes_string['deployment.environment']"},
+		}}},
+	}
+
+	assert.Empty(t, semconvResolutionsForRequest(req), "raw SQL is not rewritten and should not report a resolution")
+}
+
+func TestSemconvResolutionsRequiresNameBoundary(t *testing.T) {
+	req := &qbtypes.QueryRangeRequest{
+		CompositeQuery: qbtypes.CompositeQuery{Queries: []qbtypes.QueryEnvelope{{
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation]{
+				Signal: telemetrytypes.SignalTraces,
+				Filter: &qbtypes.Filter{Expression: "custom.deployment.environment = 'prod'"},
+			},
+		}}},
+	}
+
+	assert.Empty(t, semconvResolutionsForRequest(req), "a family name embedded in a larger custom key must not match")
+}

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

@@ -52,10 +52,10 @@ import (
 	"github.com/SigNoz/signoz/pkg/query-service/constants"
 
 	chErrors "github.com/SigNoz/signoz/pkg/query-service/errors"
-	"github.com/SigNoz/signoz/pkg/query-service/metrics"
 	"github.com/SigNoz/signoz/pkg/query-service/model"
 	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/query-service/utils"
+	"github.com/SigNoz/signoz/pkg/semconv"
 )
 
 const (
@@ -3190,11 +3190,6 @@ func (r *ClickHouseReader) GetMetricAttributeValues(ctx context.Context, orgID v
 	var rows driver.Rows
 	var attributeValues v3.FilterAttributeValueResponse
 
-	normalized := true
-	if constants.IsDotMetricsEnabled {
-		normalized = false
-	}
-
 	reductionEnabled := r.fl.BooleanOrEmpty(ctx, flagger.FeatureEnableMetricsReduction, featuretypes.NewFlaggerEvaluationContext(orgID))
 
 	if reductionEnabled {
@@ -3205,8 +3200,7 @@ func (r *ClickHouseReader) GetMetricAttributeValues(ctx context.Context, orgID v
 	if req.Limit != 0 {
 		query = query + fmt.Sprintf(" LIMIT %d;", req.Limit)
 	}
-	names := []string{req.AggregateAttribute}
-	names = append(names, metrics.GetTransitionedMetric(req.AggregateAttribute, normalized))
+	names := semconv.MetricNames(req.AggregateAttribute)
 
 	rows, err = r.db.Query(ctx, query, req.FilterAttributeKey, names, req.FilterAttributeKey, fmt.Sprintf("%%%s%%", req.SearchText), common.PastDayRoundOff())
 

pkg/query-service/app/resource/resource_query_builder.go

@@ -6,6 +6,8 @@ import (
 
 	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
 	"github.com/SigNoz/signoz/pkg/query-service/utils"
+	"github.com/SigNoz/signoz/pkg/semconv"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 )
 
 var resourceLogOperators = map[v3.FilterOperator]string{
@@ -29,13 +31,61 @@ var resourceLogOperators = map[v3.FilterOperator]string{
 	v3.FilterOperatorNotILike:        "NOT ILIKE",
 }
 
+func resourceSemconvMembers(key string) []string {
+	return semconv.Members(semconv.KindAttribute, telemetrytypes.FieldKeySelector{
+		Name:         key,
+		Signal:       telemetrytypes.SignalTraces,
+		FieldContext: telemetrytypes.FieldContextResource,
+	})
+}
+
+func resourceValueExpression(key string) string {
+	members := resourceSemconvMembers(key)
+	if len(members) == 1 {
+		return fmt.Sprintf("simpleJSONExtractString(labels, '%s')", key)
+	}
+
+	values := make([]string, 0, len(members))
+	for _, member := range members {
+		values = append(values, fmt.Sprintf("NULLIF(simpleJSONExtractString(labels, '%s'), '')", member))
+	}
+	return "COALESCE(" + strings.Join(values, ", ") + ")"
+}
+
+func resourcePresenceExpression(key string, exists bool) string {
+	members := resourceSemconvMembers(key)
+	if len(members) == 1 {
+		if exists {
+			return fmt.Sprintf("simpleJSONHas(labels, '%s')", key)
+		}
+		return fmt.Sprintf("not simpleJSONHas(labels, '%s')", key)
+	}
+
+	conditions := make([]string, 0, len(members))
+	for _, member := range members {
+		if exists {
+			conditions = append(conditions, fmt.Sprintf("simpleJSONHas(labels, '%s')", member))
+		} else {
+			conditions = append(conditions, fmt.Sprintf("not simpleJSONHas(labels, '%s')", member))
+		}
+	}
+	separator := " OR "
+	if !exists {
+		separator = " AND "
+	}
+	return "(" + strings.Join(conditions, separator) + ")"
+}
+
 // buildResourceFilter builds a clickhouse filter string for resource labels
 func buildResourceFilter(logsOp string, key string, op v3.FilterOperator, value interface{}) string {
 	// for all operators except contains and like
-	searchKey := fmt.Sprintf("simpleJSONExtractString(labels, '%s')", key)
+	searchKey := resourceValueExpression(key)
 
 	// for contains and like it will be case insensitive
 	lowerSearchKey := fmt.Sprintf("simpleJSONExtractString(lower(labels), '%s')", key)
+	if len(resourceSemconvMembers(key)) > 1 {
+		lowerSearchKey = "lower(" + searchKey + ")"
+	}
 
 	chFmtVal := utils.ClickHouseFormattedValue(value)
 
@@ -43,9 +93,9 @@ func buildResourceFilter(logsOp string, key string, op v3.FilterOperator, value
 
 	switch op {
 	case v3.FilterOperatorExists:
-		return fmt.Sprintf("simpleJSONHas(labels, '%s')", key)
+		return resourcePresenceExpression(key, true)
 	case v3.FilterOperatorNotExists:
-		return fmt.Sprintf("not simpleJSONHas(labels, '%s')", key)
+		return resourcePresenceExpression(key, false)
 	case v3.FilterOperatorRegex, v3.FilterOperatorNotRegex:
 		return fmt.Sprintf(logsOp, searchKey, chFmtVal)
 	case v3.FilterOperatorContains, v3.FilterOperatorNotContains:
@@ -110,6 +160,38 @@ func buildIndexFilterForInOperator(key string, op v3.FilterOperator, value inter
 // we can use lower index for =, in etc but it's difficult to do it for !=, NIN etc
 // if as x != "ABC" we cannot predict something like "not lower(labels) like '%%x%%abc%%'". It has it be "not lower(labels) like '%%x%%ABC%%'"
 func buildResourceIndexFilter(key string, op v3.FilterOperator, value interface{}) string {
+	return buildResourceIndexFilterForKey(key, op, value, true)
+}
+
+func buildResourceIndexFilterForKey(key string, op v3.FilterOperator, value interface{}, resolveFamily bool) string {
+	members := []string{key}
+	if resolveFamily {
+		members = resourceSemconvMembers(key)
+	}
+	if len(members) > 1 {
+		switch op {
+		case v3.FilterOperatorNotEqual,
+			v3.FilterOperatorNotLike,
+			v3.FilterOperatorNotILike,
+			v3.FilterOperatorNotContains,
+			v3.FilterOperatorNotExists,
+			v3.FilterOperatorNotRegex,
+			v3.FilterOperatorNotIn:
+			return ""
+		}
+
+		conditions := make([]string, 0, len(members))
+		for _, member := range members {
+			if condition := buildResourceIndexFilterForKey(member, op, value, false); condition != "" {
+				conditions = append(conditions, condition)
+			}
+		}
+		if len(conditions) == 0 {
+			return ""
+		}
+		return "(" + strings.Join(conditions, " OR ") + ")"
+	}
+
 	// not using clickhouseFormattedValue as we don't wan't the quotes
 	strVal := fmt.Sprintf("%s", value)
 	fmtValEscapedForContains := utils.QuoteEscapedStringForContains(strVal, true)
@@ -206,14 +288,31 @@ func buildResourceFiltersFromGroupBy(groupBy []v3.AttributeKey) []string {
 		if attr.Type != v3.AttributeKeyTypeResource {
 			continue
 		}
-		conditions = append(conditions, fmt.Sprintf("(simpleJSONHas(labels, '%s') AND labels like '%%%s%%')", attr.Key, attr.Key))
+		members := resourceSemconvMembers(attr.Key)
+		if len(members) == 1 {
+			conditions = append(conditions, fmt.Sprintf("(simpleJSONHas(labels, '%s') AND labels like '%%%s%%')", attr.Key, attr.Key))
+			continue
+		}
+		indexConditions := make([]string, 0, len(members))
+		for _, member := range members {
+			indexConditions = append(indexConditions, fmt.Sprintf("labels like '%%%s%%'", member))
+		}
+		conditions = append(conditions, fmt.Sprintf("(%s AND (%s))", resourcePresenceExpression(attr.Key, true), strings.Join(indexConditions, " OR ")))
 	}
 	return conditions
 }
 
 func buildResourceFiltersFromAggregateAttribute(aggregateAttribute v3.AttributeKey) string {
 	if aggregateAttribute.Key != "" && aggregateAttribute.Type == v3.AttributeKeyTypeResource {
-		return fmt.Sprintf("(simpleJSONHas(labels, '%s') AND labels like '%%%s%%')", aggregateAttribute.Key, aggregateAttribute.Key)
+		members := resourceSemconvMembers(aggregateAttribute.Key)
+		if len(members) == 1 {
+			return fmt.Sprintf("(simpleJSONHas(labels, '%s') AND labels like '%%%s%%')", aggregateAttribute.Key, aggregateAttribute.Key)
+		}
+		indexConditions := make([]string, 0, len(members))
+		for _, member := range members {
+			indexConditions = append(indexConditions, fmt.Sprintf("labels like '%%%s%%'", member))
+		}
+		return fmt.Sprintf("(%s AND (%s))", resourcePresenceExpression(aggregateAttribute.Key, true), strings.Join(indexConditions, " OR "))
 	}
 
 	return ""

pkg/query-service/app/resource/resource_query_builder_test.go

@@ -5,6 +5,8 @@ import (
 	"testing"
 
 	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func Test_buildResourceFilter(t *testing.T) {
@@ -552,3 +554,38 @@ func Test_buildResourceSubQuery(t *testing.T) {
 		})
 	}
 }
+
+func TestSemanticConventionResourceFamily(t *testing.T) {
+	const resolvedValue = "COALESCE(NULLIF(simpleJSONExtractString(labels, 'deployment.environment.name'), ''), NULLIF(simpleJSONExtractString(labels, 'deployment.environment'), ''))"
+
+	for _, requestedName := range []string{"deployment.environment.name", "deployment.environment"} {
+		t.Run(requestedName, func(t *testing.T) {
+			assert.Equal(t, resolvedValue+" = 'production'", buildResourceFilter("=", requestedName, v3.FilterOperatorEqual, "production"))
+			assert.Equal(t, "(simpleJSONHas(labels, 'deployment.environment.name') OR simpleJSONHas(labels, 'deployment.environment'))", buildResourceFilter("", requestedName, v3.FilterOperatorExists, nil))
+			assert.Equal(t, "(not simpleJSONHas(labels, 'deployment.environment.name') AND not simpleJSONHas(labels, 'deployment.environment'))", buildResourceFilter("", requestedName, v3.FilterOperatorNotExists, nil))
+			assert.Equal(t, "(labels like '%deployment.environment.name\":\"production%' OR labels like '%deployment.environment\":\"production%')", buildResourceIndexFilter(requestedName, v3.FilterOperatorEqual, "production"))
+			assert.Empty(t, buildResourceIndexFilter(requestedName, v3.FilterOperatorNotEqual, "production"), "negative family filter must not use a rejecting index hint")
+		})
+	}
+
+	filters, err := buildResourceFiltersFromFilterItems(&v3.FilterSet{Items: []v3.FilterItem{{
+		Key: v3.AttributeKey{
+			Key:      "deployment.environment.name",
+			DataType: v3.AttributeKeyDataTypeString,
+			Type:     v3.AttributeKeyTypeResource,
+		},
+		Operator: v3.FilterOperatorEqual,
+		Value:    "production",
+	}}})
+	require.NoError(t, err, "family filter items must build before their output is inspected")
+	wantFilters := []string{
+		resolvedValue + " = 'production'",
+		"(labels like '%deployment.environment.name\":\"production%' OR labels like '%deployment.environment\":\"production%')",
+	}
+	assert.Equal(t, wantFilters, filters)
+
+	wantPresence := "((simpleJSONHas(labels, 'deployment.environment.name') OR simpleJSONHas(labels, 'deployment.environment')) AND (labels like '%deployment.environment.name%' OR labels like '%deployment.environment%'))"
+	groupBy := buildResourceFiltersFromGroupBy([]v3.AttributeKey{{Key: "deployment.environment", Type: v3.AttributeKeyTypeResource}})
+	assert.Equal(t, []string{wantPresence}, groupBy)
+	assert.Equal(t, wantPresence, buildResourceFiltersFromAggregateAttribute(v3.AttributeKey{Key: "deployment.environment.name", Type: v3.AttributeKeyTypeResource}))
+}

pkg/query-service/app/services/map.go

@@ -6,16 +6,32 @@ import (
 
 	"github.com/ClickHouse/clickhouse-go/v2"
 	"github.com/SigNoz/signoz/pkg/query-service/model"
+	"github.com/SigNoz/signoz/pkg/semconv"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 )
 
 var (
-	columns = map[string]struct{}{
-		"deployment_environment": {},
-		"k8s_cluster_name":       {},
-		"k8s_namespace_name":     {},
-	}
+	columns = serviceMapColumns()
 )
 
+func serviceMapColumns() map[string]string {
+	columns := map[string]string{
+		"k8s_cluster_name":   "k8s_cluster_name",
+		"k8s_namespace_name": "k8s_namespace_name",
+	}
+
+	// Dependency-graph rows keep their historical physical column name. Both
+	// semantic-convention request spellings target that same derived column.
+	for _, member := range semconv.Members(semconv.KindAttribute, telemetrytypes.FieldKeySelector{
+		Name:         "deployment.environment.name",
+		Signal:       telemetrytypes.SignalTraces,
+		FieldContext: telemetrytypes.FieldContextResource,
+	}) {
+		columns[strings.ReplaceAll(member, ".", "_")] = "deployment_environment"
+	}
+	return columns
+}
+
 func BuildServiceMapQuery(tags []model.TagQuery) (string, []interface{}) {
 	var filterQuery string
 	var namedArgs []interface{}
@@ -24,39 +40,40 @@ func BuildServiceMapQuery(tags []model.TagQuery) (string, []interface{}) {
 		operator := tag.GetOperator()
 		value := tag.GetValues()
 
-		if _, ok := columns[key]; !ok {
+		column, ok := columns[key]
+		if !ok {
 			continue
 		}
 
 		switch operator {
 		case model.InOperator:
-			filterQuery += fmt.Sprintf(" AND %s IN @%s", key, key)
+			filterQuery += fmt.Sprintf(" AND %s IN @%s", column, key)
 			namedArgs = append(namedArgs, clickhouse.Named(key, value))
 		case model.NotInOperator:
-			filterQuery += fmt.Sprintf(" AND %s NOT IN @%s", key, key)
+			filterQuery += fmt.Sprintf(" AND %s NOT IN @%s", column, key)
 			namedArgs = append(namedArgs, clickhouse.Named(key, value))
 		case model.EqualOperator:
-			filterQuery += fmt.Sprintf(" AND %s = @%s", key, key)
+			filterQuery += fmt.Sprintf(" AND %s = @%s", column, key)
 			namedArgs = append(namedArgs, clickhouse.Named(key, value))
 		case model.NotEqualOperator:
-			filterQuery += fmt.Sprintf(" AND %s != @%s", key, key)
+			filterQuery += fmt.Sprintf(" AND %s != @%s", column, key)
 			namedArgs = append(namedArgs, clickhouse.Named(key, value))
 		case model.ContainsOperator:
-			filterQuery += fmt.Sprintf(" AND %s LIKE @%s", key, key)
+			filterQuery += fmt.Sprintf(" AND %s LIKE @%s", column, key)
 			namedArgs = append(namedArgs, clickhouse.Named(key, fmt.Sprintf("%%%s%%", value)))
 		case model.NotContainsOperator:
-			filterQuery += fmt.Sprintf(" AND %s NOT LIKE @%s", key, key)
+			filterQuery += fmt.Sprintf(" AND %s NOT LIKE @%s", column, key)
 			namedArgs = append(namedArgs, clickhouse.Named(key, fmt.Sprintf("%%%s%%", value)))
 		case model.StartsWithOperator:
-			filterQuery += fmt.Sprintf(" AND %s LIKE @%s", key, key)
+			filterQuery += fmt.Sprintf(" AND %s LIKE @%s", column, key)
 			namedArgs = append(namedArgs, clickhouse.Named(key, fmt.Sprintf("%s%%", value)))
 		case model.NotStartsWithOperator:
-			filterQuery += fmt.Sprintf(" AND %s NOT LIKE @%s", key, key)
+			filterQuery += fmt.Sprintf(" AND %s NOT LIKE @%s", column, key)
 			namedArgs = append(namedArgs, clickhouse.Named(key, fmt.Sprintf("%s%%", value)))
 		case model.ExistsOperator:
-			filterQuery += fmt.Sprintf(" AND %s IS NOT NULL", key)
+			filterQuery += fmt.Sprintf(" AND %s IS NOT NULL", column)
 		case model.NotExistsOperator:
-			filterQuery += fmt.Sprintf(" AND %s IS NULL", key)
+			filterQuery += fmt.Sprintf(" AND %s IS NULL", column)
 		}
 	}
 	return filterQuery, namedArgs

pkg/query-service/app/services/map_test.go

@@ -0,0 +1,35 @@
+package services
+
+import (
+	"testing"
+
+	"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
+	"github.com/SigNoz/signoz/pkg/query-service/model"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBuildServiceMapQueryAcceptsEnvironmentFamily(t *testing.T) {
+	for _, requestedName := range []string{"deployment.environment.name", "deployment.environment"} {
+		t.Run(requestedName, func(t *testing.T) {
+			tags := []model.TagQuery{model.NewTagQueryString(model.TagQueryParam{
+				Key:          requestedName,
+				StringValues: []string{"production"},
+				Operator:     model.InOperator,
+				TagType:      model.ResourceAttributeTagType,
+			})}
+
+			query, args := BuildServiceMapQuery(tags)
+			argName := "deployment_environment"
+			if requestedName == "deployment.environment.name" {
+				argName = "deployment_environment_name"
+			}
+			assert.Equal(t, " AND deployment_environment IN @"+argName, query)
+			require.Len(t, args, 1)
+			named, ok := args[0].(driver.NamedValue)
+			require.True(t, ok)
+			assert.Equal(t, argName, named.Name)
+			assert.Equal(t, []interface{}{"production"}, named.Value)
+		})
+	}
+}

pkg/query-service/metrics/transition.go

@@ -1,27 +0,0 @@
-package metrics
-
-var MetricsUnderTransition = map[string]string{
-	"k8s_pod_cpu_utilization":   "k8s_pod_cpu_usage",
-	"k8s_node_cpu_utilization":  "k8s_node_cpu_usage",
-	"container_cpu_utilization": "container_cpu_usage",
-}
-
-var DotMetricsUnderTransition = map[string]string{
-	"k8s.pod.cpu.utilization":   "k8s.pod.cpu.usage",
-	"k8s.node.cpu.utilization":  "k8s.node.cpu.usage",
-	"container.cpu.utilization": "container.cpu.usage",
-}
-
-func GetTransitionedMetric(metric string, normalized bool) string {
-	if normalized {
-		if _, ok := MetricsUnderTransition[metric]; ok {
-			return MetricsUnderTransition[metric]
-		}
-		return metric
-	} else {
-		if _, ok := DotMetricsUnderTransition[metric]; ok {
-			return DotMetricsUnderTransition[metric]
-		}
-		return metric
-	}
-}

pkg/query-service/utils/format.go

@@ -10,8 +10,8 @@ import (
 	"log/slog"
 
 	"github.com/SigNoz/signoz/pkg/query-service/constants"
-	"github.com/SigNoz/signoz/pkg/query-service/metrics"
 	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
+	"github.com/SigNoz/signoz/pkg/semconv"
 )
 
 // ValidateAndCastValue validates and casts the value of a key to the corresponding data type of the key
@@ -234,12 +234,12 @@ func ClickHouseFormattedValue(v interface{}) string {
 
 func ClickHouseFormattedMetricNames(v interface{}) string {
 	if name, ok := v.(string); ok {
-		transitionedMetrics := metrics.GetTransitionedMetric(name, !constants.IsDotMetricsEnabled)
-		if transitionedMetrics != name {
-			return ClickHouseFormattedValue([]interface{}{transitionedMetrics})
-		} else {
-			return ClickHouseFormattedValue([]interface{}{name})
+		members := semconv.MetricNames(name)
+		values := make([]interface{}, 0, len(members))
+		for _, member := range members {
+			values = append(values, member)
 		}
+		return ClickHouseFormattedValue(values)
 	}
 
 	return ClickHouseFormattedValue(v)

pkg/querybuilder/exists_expr.go

@@ -2,13 +2,29 @@ package querybuilder
 
 import (
 	"fmt"
+	"strings"
 
 	schema "github.com/SigNoz/signoz-otel-collector/cmd/signozschemamigrator/schema_migrator"
 	"github.com/SigNoz/signoz/pkg/errors"
+	"github.com/SigNoz/signoz/pkg/semconv"
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 )
 
+func physicalSemconvMembers(key *telemetrytypes.TelemetryFieldKey) []string {
+	if len(key.SemconvMembers) > 0 {
+		return key.SemconvMembers
+	}
+	if key.FieldContext != telemetrytypes.FieldContextResource && key.FieldContext != telemetrytypes.FieldContextAttribute {
+		return []string{key.Name}
+	}
+	return semconv.AttributeMembers(telemetrytypes.FieldKeySelector{
+		Name:         key.Name,
+		Signal:       key.Signal,
+		FieldContext: key.FieldContext,
+	})
+}
+
 // ExistsExpression renders the existence predicate for a key resolved to the given
 // columns (negated when exists is false). Comparisons are against constants rendered
 // as literals, so the expression carries no bind args and can guard column expressions
@@ -43,11 +59,26 @@ func ExistsExpression(columns []*schema.Column, key *telemetrytypes.TelemetryFie
 		if len(evolutionsEntries) > 0 && evolutionsEntries[0] != nil {
 			columnName = evolutionsEntries[0].ColumnName
 		}
-		rawPath := fmt.Sprintf("%s.`%s`", columnName, key.Name)
-		if exists {
-			return rawPath + " IS NOT NULL", nil
+		members := physicalSemconvMembers(key)
+		paths := make([]string, 0, len(members))
+		for _, member := range members {
+			paths = append(paths, fmt.Sprintf("%s.`%s`", columnName, member))
 		}
-		return rawPath + " IS NULL", nil
+		if len(paths) == 1 {
+			if exists {
+				return paths[0] + " IS NOT NULL", nil
+			}
+			return paths[0] + " IS NULL", nil
+		}
+		guards := make([]string, 0, len(paths))
+		for _, path := range paths {
+			guards = append(guards, path+" IS NOT NULL")
+		}
+		rawPath := "(" + strings.Join(guards, " OR ") + ")"
+		if exists {
+			return rawPath, nil
+		}
+		return "NOT " + rawPath, nil
 	case schema.ColumnTypeEnumString,
 		schema.ColumnTypeEnumFixedString:
 		if exists {
@@ -88,8 +119,16 @@ func ExistsExpression(columns []*schema.Column, key *telemetrytypes.TelemetryFie
 
 		switch valueType := column.Type.(schema.MapColumnType).ValueType; valueType.GetType() {
 		case schema.ColumnTypeEnumString, schema.ColumnTypeEnumBool, schema.ColumnTypeEnumFloat64:
-			leftOperand := fmt.Sprintf("mapContains(%s, '%s')", column.Name, key.Name)
-			if key.Materialized {
+			members := physicalSemconvMembers(key)
+			operands := make([]string, 0, len(members))
+			for _, member := range members {
+				operands = append(operands, fmt.Sprintf("mapContains(%s, '%s')", column.Name, member))
+			}
+			leftOperand := strings.Join(operands, " OR ")
+			if len(operands) > 1 {
+				leftOperand = "(" + leftOperand + ")"
+			}
+			if key.Materialized && (len(members) == 1 || key.MaterializedSemconv) {
 				leftOperand = telemetrytypes.FieldKeyToMaterializedColumnNameForExists(key)
 			}
 			if exists {

pkg/querybuilder/where_clause_visitor.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/SigNoz/signoz/pkg/errors"
 	grammar "github.com/SigNoz/signoz/pkg/parser/filterquery/grammar"
+	"github.com/SigNoz/signoz/pkg/semconv"
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 	"github.com/SigNoz/signoz/pkg/valuer"
@@ -38,6 +39,7 @@ type filterExpressionVisitor struct {
 	fullTextColumn     *telemetrytypes.TelemetryFieldKey
 	skipResourceFilter bool
 	skipFullTextFilter bool
+	exactSemconv       bool
 	variables          map[string]qbtypes.VariableItem
 
 	keysWithWarnings map[string]bool
@@ -58,6 +60,7 @@ type FilterExprVisitorOpts struct {
 	FullTextColumn     *telemetrytypes.TelemetryFieldKey
 	SkipResourceFilter bool
 	SkipFullTextFilter bool
+	ExactSemconv       bool
 	Variables          map[string]qbtypes.VariableItem
 	StartNs            uint64
 	EndNs              uint64
@@ -75,6 +78,7 @@ func newFilterExpressionVisitor(opts FilterExprVisitorOpts) *filterExpressionVis
 		fullTextColumn:     opts.FullTextColumn,
 		skipResourceFilter: opts.SkipResourceFilter,
 		skipFullTextFilter: opts.SkipFullTextFilter,
+		exactSemconv:       opts.ExactSemconv,
 		variables:          opts.Variables,
 		keysWithWarnings:   make(map[string]bool),
 		startNs:            opts.StartNs,
@@ -379,7 +383,7 @@ func (v *filterExpressionVisitor) VisitPrimary(ctx *grammar.PrimaryContext) any
 // VisitComparison handles all comparison operators.
 func (v *filterExpressionVisitor) VisitComparison(ctx *grammar.ComparisonContext) any {
 	key := v.Visit(ctx.Key()).(*telemetrytypes.TelemetryFieldKey)
-	matching := MatchingFieldKeys(key, v.fieldKeys)
+	matching := v.matchingFieldKeys(key)
 
 	// Handle EXISTS specially
 	if ctx.EXISTS() != nil {
@@ -730,7 +734,7 @@ func (v *filterExpressionVisitor) VisitFunctionCall(ctx *grammar.FunctionCallCon
 		return ErrorConditionLiteral
 	}
 
-	conds, ok := v.buildConditions(key, MatchingFieldKeys(key, v.fieldKeys), operator, value)
+	conds, ok := v.buildConditions(key, v.matchingFieldKeys(key), operator, value)
 	if !ok {
 		return ErrorConditionLiteral
 	}
@@ -923,7 +927,7 @@ func (v *filterExpressionVisitor) VisitKey(ctx *grammar.KeyContext) any {
 // buildConditions invokes the condition builder for a filter term, folding its
 // warnings/errors into visitor state; returns false if an error was recorded.
 func (v *filterExpressionVisitor) buildConditions(key *telemetrytypes.TelemetryFieldKey, matching []*telemetrytypes.TelemetryFieldKey, op qbtypes.FilterOperator, value any) ([]string, bool) {
-	conds, warns, err := v.conditionBuilder.ConditionFor(v.context, v.orgID, v.startNs, v.endNs, key, v.fieldKeys, qbtypes.ConditionBuilderOptions{SkipResourceFilter: v.skipResourceFilter}, op, value, v.builder)
+	conds, warns, err := v.conditionBuilder.ConditionFor(v.context, v.orgID, v.startNs, v.endNs, key, v.fieldKeys, qbtypes.ConditionBuilderOptions{SkipResourceFilter: v.skipResourceFilter, ExactSemconv: v.exactSemconv}, op, value, v.builder)
 	if err != nil {
 		_, _, _, _, errURL, _ := errors.Unwrapb(err)
 		assignIfEmpty(&v.mainErrorURL, errURL)
@@ -982,27 +986,116 @@ func assignIfEmpty(s *string, value string) {
 // MatchingFieldKeys returns the field keys from the map that match the given key,
 // honoring any context/data type the user specified.
 func MatchingFieldKeys(field *telemetrytypes.TelemetryFieldKey, fieldKeys map[string][]*telemetrytypes.TelemetryFieldKey) []*telemetrytypes.TelemetryFieldKey {
-	fieldKeysForName := []*telemetrytypes.TelemetryFieldKey{}
+	return matchingFieldKeys(field, fieldKeys, true)
+}
 
-	// match by name; keep items whose context and data type match (unspecified matches any)
-	for _, item := range fieldKeys[field.Name] {
-		if (field.FieldContext == telemetrytypes.FieldContextUnspecified || field.FieldContext == item.FieldContext) &&
-			(field.FieldDataType == telemetrytypes.FieldDataTypeUnspecified || field.FieldDataType == item.FieldDataType) {
-			fieldKeysForName = append(fieldKeysForName, item)
+// MatchingFieldKeysExact matches only the requested physical spelling.
+func MatchingFieldKeysExact(field *telemetrytypes.TelemetryFieldKey, fieldKeys map[string][]*telemetrytypes.TelemetryFieldKey) []*telemetrytypes.TelemetryFieldKey {
+	return matchingFieldKeys(field, fieldKeys, false)
+}
+
+func matchingFieldKeys(field *telemetrytypes.TelemetryFieldKey, fieldKeys map[string][]*telemetrytypes.TelemetryFieldKey, resolveSemconv bool) []*telemetrytypes.TelemetryFieldKey {
+	selector := telemetrytypes.FieldKeySelector{
+		Name:         field.Name,
+		Signal:       field.Signal,
+		FieldContext: field.FieldContext,
+	}
+	members := []string{field.Name}
+	if resolveSemconv {
+		members = semconv.AttributeMembers(selector)
+	}
+	isFamily := len(members) > 1
+	fieldKeysForName := make([]*telemetrytypes.TelemetryFieldKey, 0)
+	indexByIdentity := make(map[string]int)
+
+	appendMatches := func(lookupName string, memberName string, contextAlreadyMatched bool) {
+		for _, item := range fieldKeys[lookupName] {
+			if !contextAlreadyMatched && field.FieldContext != telemetrytypes.FieldContextUnspecified && field.FieldContext != item.FieldContext {
+				continue
+			}
+			if field.FieldDataType != telemetrytypes.FieldDataTypeUnspecified && field.FieldDataType != item.FieldDataType {
+				continue
+			}
+
+			// A wildcard lookup may have found a same-named field in a scope where
+			// this family does not apply. Keep exact names, but reject cross-member
+			// matches outside the generated family scope.
+			if resolveSemconv && memberName != field.Name {
+				itemSelector := telemetrytypes.FieldKeySelector{
+					Name:         field.Name,
+					Signal:       item.Signal,
+					FieldContext: item.FieldContext,
+				}
+				if !slices.Contains(semconv.AttributeMembers(itemSelector), memberName) {
+					continue
+				}
+			}
+
+			physicalMembers := item.SemconvMembers
+			if len(physicalMembers) == 0 {
+				physicalMembers = []string{memberName}
+			}
+			identity := item.Signal.StringValue() + ";" + item.FieldContext.StringValue() + ";" + item.FieldDataType.StringValue()
+			if isFamily {
+				if index, found := indexByIdentity[identity]; found {
+					for _, physicalMember := range physicalMembers {
+						if !slices.Contains(fieldKeysForName[index].SemconvMembers, physicalMember) {
+							fieldKeysForName[index].SemconvMembers = append(fieldKeysForName[index].SemconvMembers, physicalMember)
+						}
+					}
+					continue
+				}
+				indexByIdentity[identity] = len(fieldKeysForName)
+			}
+			resolved := *item
+			// The requested spelling is the response identity. Field mappers use
+			// it to resolve the available family members current-first.
+			if isFamily {
+				resolved.Name = field.Name
+				resolved.SemconvMembers = slices.Clone(physicalMembers)
+			} else if !resolveSemconv {
+				resolved.SemconvMembers = []string{field.Name}
+			}
+			fieldKeysForName = append(fieldKeysForName, &resolved)
 		}
 	}
 
-	// A context may have been split off a name that legitimately contained it (e.g.
-	// `attribute.key`); also look up the context-prefixed name so both readings resolve.
+	// Members are current-first, so metadata from the current key wins when
+	// both spellings describe the same signal/context/type.
+	for _, member := range members {
+		appendMatches(member, member, false)
+	}
+
+	// A context may have been split off a name that legitimately contained it
+	// (e.g. `attribute.key`); preserve that historical alternate reading for
+	// every family member.
 	if field.FieldContext != telemetrytypes.FieldContextUnspecified {
-		contextPrefixedFieldName := fmt.Sprintf("%s.%s", field.FieldContext.StringValue(), field.Name)
-		for _, item := range fieldKeys[contextPrefixedFieldName] {
-			// Context already matched via the lookup key; only data type needs checking.
-			if field.FieldDataType == telemetrytypes.FieldDataTypeUnspecified || item.FieldDataType == field.FieldDataType {
-				fieldKeysForName = append(fieldKeysForName, item)
-			}
+		for _, member := range members {
+			appendMatches(fmt.Sprintf("%s.%s", field.FieldContext.StringValue(), member), member, true)
 		}
 	}
 
 	return fieldKeysForName
 }
+
+func (v *filterExpressionVisitor) matchingFieldKeys(field *telemetrytypes.TelemetryFieldKey) []*telemetrytypes.TelemetryFieldKey {
+	if v.exactSemconv {
+		return MatchingFieldKeysExact(field, v.fieldKeys)
+	}
+	return MatchingFieldKeys(field, v.fieldKeys)
+}
+
+// ExactSemconvKeys returns copies pinned to their physical names, preventing a
+// field mapper from expanding a synthesized or metadata-free key into a family.
+func ExactSemconvKeys(keys []*telemetrytypes.TelemetryFieldKey) []*telemetrytypes.TelemetryFieldKey {
+	result := make([]*telemetrytypes.TelemetryFieldKey, 0, len(keys))
+	for _, key := range keys {
+		if key == nil {
+			continue
+		}
+		resolved := *key
+		resolved.SemconvMembers = []string{key.Name}
+		result = append(result, &resolved)
+	}
+	return result
+}

pkg/querybuilder/where_clause_visitor_test.go

@@ -14,6 +14,7 @@ import (
 	"github.com/antlr4-go/antlr/v4"
 	sqlbuilder "github.com/huandu/go-sqlbuilder"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 // TestPrepareWhereClause_EmptyVariableList ensures PrepareWhereClause errors when a variable has an empty list value.
@@ -685,6 +686,58 @@ func TestVisitKey(t *testing.T) {
 	}
 }
 
+func TestMatchingFieldKeysResolvesSemconvFamily(t *testing.T) {
+	current := &telemetrytypes.TelemetryFieldKey{
+		Name:          "deployment.environment.name",
+		Description:   "current metadata",
+		Signal:        telemetrytypes.SignalTraces,
+		FieldContext:  telemetrytypes.FieldContextResource,
+		FieldDataType: telemetrytypes.FieldDataTypeString,
+	}
+	old := &telemetrytypes.TelemetryFieldKey{
+		Name:          "deployment.environment",
+		Description:   "old metadata",
+		Signal:        telemetrytypes.SignalTraces,
+		FieldContext:  telemetrytypes.FieldContextResource,
+		FieldDataType: telemetrytypes.FieldDataTypeString,
+	}
+	fieldKeys := map[string][]*telemetrytypes.TelemetryFieldKey{
+		current.Name: {current},
+		old.Name:     {old},
+	}
+
+	for _, requestedName := range []string{current.Name, old.Name} {
+		requested := telemetrytypes.NewTelemetryFieldKey(
+			requestedName,
+			telemetrytypes.FieldContextResource,
+			telemetrytypes.FieldDataTypeString,
+		)
+		matches := MatchingFieldKeys(requested, fieldKeys)
+		require.Len(t, matches, 1, "family lookup must return one field before its metadata is inspected")
+		assert.Equal(t, requestedName, matches[0].Name)
+		assert.Equal(t, "current metadata", matches[0].Description)
+		assert.Equal(t, []string{current.Name, old.Name}, matches[0].SemconvMembers)
+	}
+
+	// A current-name query still resolves when metadata has seen only the old
+	// spelling. The returned name remains the request identity.
+	requested := telemetrytypes.NewTelemetryFieldKey(
+		current.Name,
+		telemetrytypes.FieldContextResource,
+		telemetrytypes.FieldDataTypeString,
+	)
+	matches := MatchingFieldKeys(requested, map[string][]*telemetrytypes.TelemetryFieldKey{old.Name: {old}})
+	require.Len(t, matches, 1, "family lookup must return one field before its metadata is inspected")
+	assert.Equal(t, current.Name, matches[0].Name)
+	assert.Equal(t, "old metadata", matches[0].Description)
+	assert.Equal(t, []string{old.Name}, matches[0].SemconvMembers)
+
+	exactMatches := MatchingFieldKeysExact(requested, fieldKeys)
+	require.Len(t, exactMatches, 1, "exact lookup must return one field before its metadata is inspected")
+	assert.Equal(t, current.Name, exactMatches[0].Name)
+	assert.Equal(t, []string{current.Name}, exactMatches[0].SemconvMembers)
+}
+
 // ---------------------------------------------------------------------------
 // TestVisitComparison
 // ---------------------------------------------------------------------------

pkg/semconv/doc.go

@@ -0,0 +1,3 @@
+// Package semconv resolves historical OpenTelemetry semantic-convention names
+// into logical field families.
+package semconv

pkg/semconv/families_gen.go

@@ -0,0 +1,48 @@
+// Code generated by scripts/semconv. DO NOT EDIT.
+
+package semconv
+
+import "github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+
+var families = []Family{
+	{
+		Current:        "container.cpu.usage",
+		Old:            []string{"container.cpu.utilization"},
+		Kind:           KindMetric,
+		Contexts:       []telemetrytypes.FieldContext{telemetrytypes.FieldContextMetric},
+		Signals:        []telemetrytypes.Signal{telemetrytypes.SignalMetrics},
+		ApplyToMetrics: nil,
+	},
+	{
+		Current:        "db.system.name",
+		Old:            []string{"db.system"},
+		Kind:           KindAttribute,
+		Contexts:       []telemetrytypes.FieldContext{telemetrytypes.FieldContextAttribute, telemetrytypes.FieldContextResource},
+		Signals:        []telemetrytypes.Signal{telemetrytypes.SignalLogs, telemetrytypes.SignalMetrics, telemetrytypes.SignalTraces},
+		ApplyToMetrics: nil,
+	},
+	{
+		Current:        "deployment.environment.name",
+		Old:            []string{"deployment.environment"},
+		Kind:           KindAttribute,
+		Contexts:       []telemetrytypes.FieldContext{telemetrytypes.FieldContextAttribute, telemetrytypes.FieldContextResource},
+		Signals:        []telemetrytypes.Signal{telemetrytypes.SignalLogs, telemetrytypes.SignalMetrics, telemetrytypes.SignalTraces},
+		ApplyToMetrics: nil,
+	},
+	{
+		Current:        "k8s.node.cpu.usage",
+		Old:            []string{"k8s.node.cpu.utilization"},
+		Kind:           KindMetric,
+		Contexts:       []telemetrytypes.FieldContext{telemetrytypes.FieldContextMetric},
+		Signals:        []telemetrytypes.Signal{telemetrytypes.SignalMetrics},
+		ApplyToMetrics: nil,
+	},
+	{
+		Current:        "k8s.pod.cpu.usage",
+		Old:            []string{"k8s.pod.cpu.utilization"},
+		Kind:           KindMetric,
+		Contexts:       []telemetrytypes.FieldContext{telemetrytypes.FieldContextMetric},
+		Signals:        []telemetrytypes.Signal{telemetrytypes.SignalMetrics},
+		ApplyToMetrics: nil,
+	},
+}

pkg/semconv/semconv.go

@@ -0,0 +1,265 @@
+package semconv
+
+import (
+	"slices"
+	"strings"
+
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/SigNoz/signoz/pkg/valuer"
+)
+
+//go:generate go run ../../scripts/semconv
+
+// Kind identifies whether a family describes an attribute or a metric name.
+type Kind struct {
+	valuer.String
+}
+
+// Family is one logical telemetry field. Old is ordered from the most recent
+// predecessor to the oldest one and therefore also defines fallback order.
+type Family struct {
+	Current        string
+	Old            []string
+	Kind           Kind
+	Contexts       []telemetrytypes.FieldContext
+	Signals        []telemetrytypes.Signal
+	ApplyToMetrics []string
+	ValueMap       map[string]string
+}
+
+type metricSpelling uint8
+
+const (
+	metricSpellingDotted metricSpelling = iota
+	metricSpellingNormalized
+)
+
+var (
+	KindAttribute = Kind{String: valuer.NewString("attribute")}
+	KindMetric    = Kind{String: valuer.NewString("metric")}
+)
+
+var memberToFamilies, familyMembers = buildIndexes()
+
+// Enum returns the acceptable values for Kind.
+func (Kind) Enum() []any {
+	return []any{KindAttribute, KindMetric}
+}
+
+// Lookup returns the enabled family containing selector.Name for kind. The
+// slices and map in the returned value reference immutable generated data and
+// must be treated as read-only. Use All when a mutable copy is required.
+func Lookup(kind Kind, selector telemetrytypes.FieldKeySelector) (Family, bool) {
+	idx, ok := lookupIndex(kind, selector)
+	if !ok {
+		return Family{}, false
+	}
+	return families[idx], true
+}
+
+// Members returns the current name first, followed by historical names in
+// fallback order. For enabled families the returned precomputed slice is
+// read-only. A name outside an enabled family is returned unchanged.
+func Members(kind Kind, selector telemetrytypes.FieldKeySelector) []string {
+	idx, ok := lookupIndex(kind, selector)
+	if !ok {
+		return []string{selector.Name}
+	}
+	return familyMembers[idx]
+}
+
+// AttributeMembers returns the physical attribute spellings that may represent
+// selector.Name. Metrics have used both dotted and normalized label layouts;
+// resource labels have additionally used a resource_ prefix. Keeping that
+// storage detail here prevents metrics readers from maintaining local
+// transition tables.
+func AttributeMembers(selector telemetrytypes.FieldKeySelector) []string {
+	if selector.Signal != telemetrytypes.SignalMetrics {
+		return Members(KindAttribute, selector)
+	}
+
+	lookupSelector := selector
+	lookupSelector.Name = strings.TrimPrefix(selector.Name, "resource_")
+	family, style, ok := lookupMetricSpelling(KindAttribute, lookupSelector)
+	if !ok {
+		return []string{selector.Name}
+	}
+
+	logicalMembers := familyMembers[family]
+	result := make([]string, 0, len(logicalMembers)*4)
+	for _, member := range logicalMembers {
+		dotted := member
+		normalized := normalizeMetricSpelling(member)
+		variants := []string{dotted, normalized}
+		if style == metricSpellingNormalized {
+			variants[0], variants[1] = variants[1], variants[0]
+		}
+
+		if selector.FieldContext == telemetrytypes.FieldContextResource ||
+			selector.FieldContext == telemetrytypes.FieldContextUnspecified ||
+			strings.HasPrefix(selector.Name, "resource_") {
+			for _, variant := range variants {
+				result = appendUniqueString(result, "resource_"+variant)
+			}
+		}
+		for _, variant := range variants {
+			result = appendUniqueString(result, variant)
+		}
+	}
+	return result
+}
+
+// MetricNames returns the current and historical storage names for a metric.
+// The input's dotted or normalized style is preserved because both layouts are
+// valid metric identities and must not be mixed in one query.
+func MetricNames(name string) []string {
+	selector := telemetrytypes.FieldKeySelector{
+		Name:         name,
+		Signal:       telemetrytypes.SignalMetrics,
+		FieldContext: telemetrytypes.FieldContextMetric,
+	}
+	family, style, ok := lookupMetricSpelling(KindMetric, selector)
+	if !ok {
+		return []string{name}
+	}
+
+	logicalMembers := familyMembers[family]
+	result := make([]string, 0, len(logicalMembers))
+	for _, member := range logicalMembers {
+		if style == metricSpellingNormalized {
+			member = normalizeMetricSpelling(member)
+		}
+		result = appendUniqueString(result, member)
+	}
+	return result
+}
+
+// CurrentAttribute returns the canonical dotted name for an attribute
+// spelling, or selector.Name if no enabled family matches.
+func CurrentAttribute(selector telemetrytypes.FieldKeySelector) string {
+	if selector.Signal != telemetrytypes.SignalMetrics {
+		return Current(KindAttribute, selector)
+	}
+
+	lookupSelector := selector
+	lookupSelector.Name = strings.TrimPrefix(selector.Name, "resource_")
+	family, _, ok := lookupMetricSpelling(KindAttribute, lookupSelector)
+	if !ok {
+		return selector.Name
+	}
+	return families[family].Current
+}
+
+// Current returns the current name for selector.Name, or the input name when
+// it does not belong to an enabled family.
+func Current(kind Kind, selector telemetrytypes.FieldKeySelector) string {
+	idx, ok := lookupIndex(kind, selector)
+	if !ok {
+		return selector.Name
+	}
+	return families[idx].Current
+}
+
+// All returns a defensive copy of every enabled family.
+func All() []Family {
+	result := make([]Family, len(families))
+	for i := range families {
+		result[i] = cloneFamily(families[i])
+	}
+	return result
+}
+
+func buildIndexes() (map[string][]int, [][]string) {
+	index := make(map[string][]int)
+	members := make([][]string, len(families))
+	for i, family := range families {
+		members[i] = make([]string, 0, len(family.Old)+1)
+		members[i] = append(members[i], family.Current)
+		members[i] = append(members[i], family.Old...)
+		index[family.Current] = append(index[family.Current], i)
+		for _, old := range family.Old {
+			index[old] = append(index[old], i)
+		}
+	}
+	return index, members
+}
+
+func lookupIndex(kind Kind, selector telemetrytypes.FieldKeySelector) (int, bool) {
+	for _, idx := range memberToFamilies[selector.Name] {
+		if matchesSelector(families[idx], kind, selector) {
+			return idx, true
+		}
+	}
+	return 0, false
+}
+
+func lookupMetricSpelling(kind Kind, selector telemetrytypes.FieldKeySelector) (int, metricSpelling, bool) {
+	if idx, ok := lookupIndex(kind, selector); ok {
+		return idx, metricSpellingDotted, true
+	}
+
+	for idx, family := range families {
+		if !matchesSelector(family, kind, selector) {
+			continue
+		}
+		for _, member := range familyMembers[idx] {
+			if normalizeMetricSpelling(member) == selector.Name {
+				return idx, metricSpellingNormalized, true
+			}
+		}
+	}
+	return 0, metricSpellingDotted, false
+}
+
+func normalizeMetricSpelling(name string) string {
+	return strings.ReplaceAll(name, ".", "_")
+}
+
+func appendUniqueString(values []string, value string) []string {
+	if value == "" || slices.Contains(values, value) {
+		return values
+	}
+	return append(values, value)
+}
+
+func matchesSelector(family Family, kind Kind, selector telemetrytypes.FieldKeySelector) bool {
+	if family.Kind != kind {
+		return false
+	}
+
+	if selector.Signal != telemetrytypes.SignalUnspecified && len(family.Signals) > 0 {
+		if !slices.Contains(family.Signals, selector.Signal) {
+			return false
+		}
+	}
+
+	if selector.FieldContext != telemetrytypes.FieldContextUnspecified && len(family.Contexts) > 0 {
+		if !slices.Contains(family.Contexts, selector.FieldContext) {
+			return false
+		}
+	}
+
+	if selector.Signal == telemetrytypes.SignalMetrics && len(family.ApplyToMetrics) > 0 {
+		if selector.MetricContext == nil {
+			return false
+		}
+		return slices.Contains(family.ApplyToMetrics, selector.MetricContext.MetricName)
+	}
+
+	return true
+}
+
+func cloneFamily(family Family) Family {
+	valueMap := family.ValueMap
+	family.Old = slices.Clone(family.Old)
+	family.Contexts = slices.Clone(family.Contexts)
+	family.Signals = slices.Clone(family.Signals)
+	family.ApplyToMetrics = slices.Clone(family.ApplyToMetrics)
+	if valueMap != nil {
+		family.ValueMap = make(map[string]string, len(valueMap))
+		for old, current := range valueMap {
+			family.ValueMap[old] = current
+		}
+	}
+	return family
+}

pkg/semconv/semconv_test.go

@@ -0,0 +1,114 @@
+package semconv
+
+import (
+	"testing"
+
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMembersReturnsCurrentBeforeHistoricalName(t *testing.T) {
+	selector := telemetrytypes.FieldKeySelector{
+		Name:         "deployment.environment",
+		Signal:       telemetrytypes.SignalTraces,
+		FieldContext: telemetrytypes.FieldContextResource,
+	}
+
+	assert.Equal(t,
+		[]string{"deployment.environment.name", "deployment.environment"},
+		Members(KindAttribute, selector),
+		"members should use current-first fallback order",
+	)
+}
+
+func TestCurrentReturnsCanonicalName(t *testing.T) {
+	selector := telemetrytypes.FieldKeySelector{
+		Name:         "deployment.environment",
+		Signal:       telemetrytypes.SignalTraces,
+		FieldContext: telemetrytypes.FieldContextResource,
+	}
+
+	assert.Equal(t,
+		"deployment.environment.name",
+		Current(KindAttribute, selector),
+		"historical name should resolve to the current family name",
+	)
+}
+
+func TestMembersReturnsInputWhenKindDoesNotMatch(t *testing.T) {
+	selector := telemetrytypes.FieldKeySelector{
+		Name:   "deployment.environment",
+		Signal: telemetrytypes.SignalTraces,
+	}
+
+	assert.Equal(t,
+		[]string{"deployment.environment"},
+		Members(KindMetric, selector),
+		"an attribute family must not match a metric-name lookup",
+	)
+}
+
+func TestAllReturnsDefensiveCopies(t *testing.T) {
+	first := All()
+	require.NotEmpty(t, first, "generated families must not be empty")
+	first[0].Old[0] = "mutated"
+
+	second := All()
+	assert.NotEqual(t, "mutated", second[0].Old[0], "All must not expose mutable generated data")
+}
+
+func TestAttributeMembersIncludesMetricResourceStorageSpellings(t *testing.T) {
+	selector := telemetrytypes.FieldKeySelector{
+		Name:         "db.system.name",
+		Signal:       telemetrytypes.SignalMetrics,
+		FieldContext: telemetrytypes.FieldContextResource,
+	}
+
+	assert.Equal(t, []string{
+		"resource_db.system.name", "resource_db_system_name", "db.system.name", "db_system_name",
+		"resource_db.system", "resource_db_system", "db.system", "db_system",
+	}, AttributeMembers(selector), "resource metric attributes should cover every historical storage layout")
+}
+
+func TestCurrentAttributeResolvesNormalizedMetricResourceSpelling(t *testing.T) {
+	selector := telemetrytypes.FieldKeySelector{
+		Name:         "resource_db_system",
+		Signal:       telemetrytypes.SignalMetrics,
+		FieldContext: telemetrytypes.FieldContextResource,
+	}
+
+	assert.Equal(t, "db.system.name", CurrentAttribute(selector), "normalized resource spelling should resolve to the dotted current name")
+}
+
+func TestAttributeMembersPreservesNormalizedMetricPointStyle(t *testing.T) {
+	selector := telemetrytypes.FieldKeySelector{
+		Name:         "db_system",
+		Signal:       telemetrytypes.SignalMetrics,
+		FieldContext: telemetrytypes.FieldContextAttribute,
+	}
+
+	assert.Equal(t, []string{
+		"db_system_name", "db.system.name", "db_system", "db.system",
+	}, AttributeMembers(selector), "normalized point attribute should remain the preferred storage spelling")
+}
+
+func TestMetricNamesPreservesDottedStyle(t *testing.T) {
+	assert.Equal(t,
+		[]string{"k8s.pod.cpu.usage", "k8s.pod.cpu.utilization"},
+		MetricNames("k8s.pod.cpu.usage"),
+		"dotted metric input should produce dotted family names",
+	)
+}
+
+func TestMetricNamesPreservesNormalizedStyle(t *testing.T) {
+	assert.Equal(t,
+		[]string{"k8s_pod_cpu_usage", "k8s_pod_cpu_utilization"},
+		MetricNames("k8s_pod_cpu_utilization"),
+		"normalized metric input should produce normalized family names",
+	)
+}
+
+func TestMetricNamesReturnsUnknownNameUnchanged(t *testing.T) {
+	assert.Equal(t, []string{"custom_metric"}, MetricNames("custom_metric"), "unknown metrics should not be expanded")
+}

pkg/signoz/provider.go

@@ -235,6 +235,7 @@ func NewSQLMigrationProviderFactories(
 		sqlmigration.NewFillDashboardSpecCollectionsFactory(sqlstore, dashboardStore),
 		sqlmigration.NewScrubEmailChannelTransportFactory(sqlstore),
 		sqlmigration.NewAddDashboardTuplesFactory(sqlstore),
+		sqlmigration.NewMigrateDeploymentEnvironmentQuickFilterFactory(),
 	)
 }
 

pkg/sqlmigration/108_migrate_deployment_environment_quick_filter.go

@@ -0,0 +1,127 @@
+package sqlmigration
+
+import (
+	"context"
+	"encoding/json"
+	"log/slog"
+	"time"
+
+	"github.com/SigNoz/signoz/pkg/factory"
+	"github.com/SigNoz/signoz/pkg/semconv"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/uptrace/bun"
+	"github.com/uptrace/bun/migrate"
+)
+
+const deploymentEnvironmentCurrent = "deployment.environment.name"
+
+type migrateDeploymentEnvironmentQuickFilter struct {
+	logger *slog.Logger
+}
+
+type semconvQuickFilterRow struct {
+	bun.BaseModel `bun:"table:quick_filter"`
+
+	ID     string `bun:"id"`
+	Filter string `bun:"filter"`
+}
+
+func NewMigrateDeploymentEnvironmentQuickFilterFactory() factory.ProviderFactory[SQLMigration, Config] {
+	return factory.NewProviderFactory(
+		factory.MustNewName("migrate_semconv_quick_filter"),
+		func(_ context.Context, settings factory.ProviderSettings, _ Config) (SQLMigration, error) {
+			return &migrateDeploymentEnvironmentQuickFilter{logger: settings.Logger}, nil
+		},
+	)
+}
+
+func (migration *migrateDeploymentEnvironmentQuickFilter) Register(migrations *migrate.Migrations) error {
+	return migrations.Register(migration.Up, migration.Down)
+}
+
+func deploymentEnvironmentOld() string {
+	members := semconv.Members(semconv.KindAttribute, telemetrytypes.FieldKeySelector{
+		Name:         deploymentEnvironmentCurrent,
+		Signal:       telemetrytypes.SignalTraces,
+		FieldContext: telemetrytypes.FieldContextResource,
+	})
+	if len(members) < 2 {
+		return deploymentEnvironmentCurrent
+	}
+	return members[1]
+}
+
+func rewriteQuickFilterSemconv(filterJSON, from, to string) (string, bool, error) {
+	var filters []map[string]any
+	if err := json.Unmarshal([]byte(filterJSON), &filters); err != nil {
+		return "", false, err
+	}
+
+	changed := false
+	for _, filter := range filters {
+		if key, ok := filter["key"].(string); ok && key == from {
+			filter["key"] = to
+			changed = true
+		}
+	}
+	if !changed {
+		return filterJSON, false, nil
+	}
+
+	rewritten, err := json.Marshal(filters)
+	if err != nil {
+		return "", false, err
+	}
+	return string(rewritten), true, nil
+}
+
+func (migration *migrateDeploymentEnvironmentQuickFilter) migrate(ctx context.Context, db *bun.DB, from, to string) error {
+	tx, err := db.BeginTx(ctx, nil)
+	if err != nil {
+		return err
+	}
+	defer func() { _ = tx.Rollback() }()
+
+	rows := make([]*semconvQuickFilterRow, 0)
+	if err := tx.NewSelect().
+		Model(&rows).
+		Where("signal IN (?)", bun.In([]string{"traces", "api_monitoring", "exceptions"})).
+		Scan(ctx); err != nil {
+		return err
+	}
+
+	for _, row := range rows {
+		rewritten, changed, err := rewriteQuickFilterSemconv(row.Filter, from, to)
+		if err != nil {
+			// Quick filters are user-editable. One malformed legacy row must not
+			// prevent the application from starting or block every other org's
+			// migration.
+			if migration.logger != nil {
+				migration.logger.WarnContext(ctx, "skipping quick filter with unreadable filter JSON",
+					slog.String("quick_filter_id", row.ID), slog.Any("error", err))
+			}
+			continue
+		}
+		if !changed {
+			continue
+		}
+		if _, err := tx.NewUpdate().
+			Model((*semconvQuickFilterRow)(nil)).
+			Set("filter = ?", rewritten).
+			Set("updated_at = ?", time.Now()).
+			Where("id = ?", row.ID).
+			Exec(ctx); err != nil {
+			return err
+		}
+	}
+
+	return tx.Commit()
+}
+
+func (migration *migrateDeploymentEnvironmentQuickFilter) Up(ctx context.Context, db *bun.DB) error {
+	return migration.migrate(ctx, db, deploymentEnvironmentOld(), deploymentEnvironmentCurrent)
+}
+
+func (migration *migrateDeploymentEnvironmentQuickFilter) Down(ctx context.Context, db *bun.DB) error {
+	return migration.migrate(ctx, db, deploymentEnvironmentCurrent, deploymentEnvironmentOld())
+}

pkg/sqlmigration/108_migrate_deployment_environment_quick_filter_test.go

@@ -0,0 +1,38 @@
+package sqlmigration
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRewriteQuickFilterSemconv(t *testing.T) {
+	oldName := deploymentEnvironmentOld()
+	input := `[{"key":"service.name","dataType":"string","type":"resource"},{"key":"` + oldName + `","dataType":"string","type":"resource","custom":true}]`
+
+	rewritten, changed, err := rewriteQuickFilterSemconv(input, oldName, deploymentEnvironmentCurrent)
+	require.NoError(t, err)
+	assert.True(t, changed)
+
+	var filters []map[string]any
+	require.NoError(t, json.Unmarshal([]byte(rewritten), &filters))
+	assert.Equal(t, "service.name", filters[0]["key"])
+	assert.Equal(t, deploymentEnvironmentCurrent, filters[1]["key"])
+	assert.Equal(t, true, filters[1]["custom"], "unknown filter properties must be preserved")
+
+	restored, changed, err := rewriteQuickFilterSemconv(rewritten, deploymentEnvironmentCurrent, oldName)
+	require.NoError(t, err)
+	assert.True(t, changed)
+	require.NoError(t, json.Unmarshal([]byte(restored), &filters))
+	assert.Equal(t, oldName, filters[1]["key"])
+}
+
+func TestRewriteQuickFilterSemconvNoop(t *testing.T) {
+	input := `[{"key":"service.name","dataType":"string","type":"resource"}]`
+	rewritten, changed, err := rewriteQuickFilterSemconv(input, deploymentEnvironmentOld(), deploymentEnvironmentCurrent)
+	require.NoError(t, err)
+	assert.False(t, changed)
+	assert.Equal(t, input, rewritten)
+}

pkg/statementbuilder/metricsstatementbuilder/statement_builder.go

@@ -10,6 +10,7 @@ import (
 	"github.com/SigNoz/signoz/pkg/factory"
 	"github.com/SigNoz/signoz/pkg/flagger"
 	"github.com/SigNoz/signoz/pkg/querybuilder"
+	"github.com/SigNoz/signoz/pkg/semconv"
 	"github.com/SigNoz/signoz/pkg/statementbuilder"
 	"github.com/SigNoz/signoz/pkg/telemetryschema/metricstelemetryschema"
 	"github.com/SigNoz/signoz/pkg/types/metrictypes"
@@ -31,6 +32,15 @@ const (
 	OthersMultiTemporality = `IF(LOWER(temporality) LIKE LOWER('delta'), %s, %s) AS per_series_value`
 )
 
+func metricNameValues(name string) []any {
+	members := semconv.MetricNames(name)
+	values := make([]any, 0, len(members))
+	for _, member := range members {
+		values = append(values, member)
+	}
+	return values
+}
+
 type StatementBuilder struct {
 	logger        *slog.Logger
 	metadataStore telemetrytypes.MetadataStore
@@ -341,7 +351,7 @@ func (b *StatementBuilder) buildReducedTimeSeriesCTE(
 		sb.SelectMore(col)
 	}
 	sb.Where(
-		sb.In("metric_name", query.Aggregations[0].MetricName),
+		sb.In("metric_name", metricNameValues(query.Aggregations[0].MetricName)...),
 		sb.GTE("unix_milli", start),
 		sb.LTE("unix_milli", end),
 	)
@@ -385,7 +395,7 @@ func (b *StatementBuilder) buildReducedSpatialAggFastPath(
 	sb.From(fmt.Sprintf("%s.%s AS points FINAL", metricstelemetryschema.DBName, metricstelemetryschema.WhichReducedSamplesTableToUse(agg.Type)))
 	sb.JoinWithOption(sqlbuilder.InnerJoin, timeSeriesCTE, "points.reduced_fingerprint = filtered_time_series.fingerprint")
 	sb.Where(
-		sb.In("metric_name", agg.MetricName),
+		sb.In("metric_name", metricNameValues(agg.MetricName)...),
 		sb.GTE("unix_milli", start),
 		sb.LT("unix_milli", end),
 	)
@@ -427,7 +437,7 @@ func (b *StatementBuilder) buildReducedTemporalAggregationCTE(
 	sb.From(fmt.Sprintf("%s.%s AS points FINAL", metricstelemetryschema.DBName, metricstelemetryschema.WhichReducedSamplesTableToUse(agg.Type)))
 	sb.JoinWithOption(sqlbuilder.InnerJoin, timeSeriesCTE, "points.reduced_fingerprint = filtered_time_series.fingerprint")
 	sb.Where(
-		sb.In("metric_name", agg.MetricName),
+		sb.In("metric_name", metricNameValues(agg.MetricName)...),
 		sb.GTE("unix_milli", start),
 		sb.LT("unix_milli", end),
 	)
@@ -505,7 +515,7 @@ func (b *StatementBuilder) buildTemporalAggDeltaFastPath(
 	sb.From(fmt.Sprintf("%s.%s AS points", metricstelemetryschema.DBName, samplesTable))
 	sb.JoinWithOption(sqlbuilder.InnerJoin, timeSeriesCTE, "points.fingerprint = filtered_time_series.fingerprint")
 	sb.Where(
-		sb.In("metric_name", query.Aggregations[0].MetricName),
+		sb.In("metric_name", metricNameValues(query.Aggregations[0].MetricName)...),
 		sb.GTE("unix_milli", start),
 		sb.LT("unix_milli", end),
 	)
@@ -560,7 +570,7 @@ func (b *StatementBuilder) buildTimeSeriesCTE(
 	}
 
 	sb.Where(
-		sb.In("metric_name", query.Aggregations[0].MetricName),
+		sb.In("metric_name", metricNameValues(query.Aggregations[0].MetricName)...),
 		sb.GTE("unix_milli", start),
 		sb.LTE("unix_milli", end),
 	)
@@ -638,7 +648,7 @@ func (b *StatementBuilder) buildTemporalAggDelta(
 	sb.From(fmt.Sprintf("%s.%s AS points", metricstelemetryschema.DBName, samplesTable))
 	sb.JoinWithOption(sqlbuilder.InnerJoin, timeSeriesCTE, "points.fingerprint = filtered_time_series.fingerprint")
 	sb.Where(
-		sb.In("metric_name", query.Aggregations[0].MetricName),
+		sb.In("metric_name", metricNameValues(query.Aggregations[0].MetricName)...),
 		sb.GTE("unix_milli", start),
 		sb.LT("unix_milli", end),
 	)
@@ -679,7 +689,7 @@ func (b *StatementBuilder) buildTemporalAggCumulativeOrUnspecified(
 	baseSb.From(fmt.Sprintf("%s.%s AS points", metricstelemetryschema.DBName, samplesTable))
 	baseSb.JoinWithOption(sqlbuilder.InnerJoin, timeSeriesCTE, "points.fingerprint = filtered_time_series.fingerprint")
 	baseSb.Where(
-		baseSb.In("metric_name", query.Aggregations[0].MetricName),
+		baseSb.In("metric_name", metricNameValues(query.Aggregations[0].MetricName)...),
 		baseSb.GTE("unix_milli", start),
 		baseSb.LT("unix_milli", end),
 	)
@@ -770,7 +780,7 @@ func (b *StatementBuilder) buildTemporalAggForMultipleTemporalities(
 	sb.From(fmt.Sprintf("%s.%s AS points", metricstelemetryschema.DBName, samplesTable))
 	sb.JoinWithOption(sqlbuilder.InnerJoin, timeSeriesCTE, "points.fingerprint = filtered_time_series.fingerprint")
 	sb.Where(
-		sb.In("metric_name", query.Aggregations[0].MetricName),
+		sb.In("metric_name", metricNameValues(query.Aggregations[0].MetricName)...),
 		sb.GTE("unix_milli", start),
 		sb.LT("unix_milli", end),
 	)

pkg/statementbuilder/metricsstatementbuilder/stmt_builder_test.go

@@ -13,9 +13,21 @@ import (
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes/telemetrytypestest"
 	"github.com/SigNoz/signoz/pkg/valuer"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
+func TestMetricNameValuesResolveFamily(t *testing.T) {
+	assert.Equal(t,
+		[]any{"k8s.pod.cpu.usage", "k8s.pod.cpu.utilization"},
+		metricNameValues("k8s.pod.cpu.usage"),
+	)
+	assert.Equal(t,
+		[]any{"container_cpu_usage", "container_cpu_utilization"},
+		metricNameValues("container_cpu_utilization"),
+	)
+}
+
 func TestStatementBuilder(t *testing.T) {
 	cases := []struct {
 		name        string

pkg/statementbuilder/resourcefilter/condition_builder.go

@@ -44,6 +44,73 @@ func keyIndexFilter(key *telemetrytypes.TelemetryFieldKey) any {
 	return fmt.Sprintf(`%%%s%%`, key.Name)
 }
 
+func memberKey(key *telemetrytypes.TelemetryFieldKey, name string) *telemetrytypes.TelemetryFieldKey {
+	member := *key
+	member.Name = name
+	return &member
+}
+
+func keyIndexCondition(sb *sqlbuilder.SelectBuilder, column string, key *telemetrytypes.TelemetryFieldKey, members []string) string {
+	conditions := make([]string, 0, len(members))
+	for _, member := range members {
+		conditions = append(conditions, sb.Like(column, keyIndexFilter(memberKey(key, member))))
+	}
+	if len(conditions) == 1 {
+		return conditions[0]
+	}
+	return sb.Or(conditions...)
+}
+
+func valueIndexCondition(
+	sb *sqlbuilder.SelectBuilder,
+	column string,
+	key *telemetrytypes.TelemetryFieldKey,
+	members []string,
+	op qbtypes.FilterOperator,
+	value any,
+	caseInsensitive bool,
+) string {
+	conditions := make([]string, 0, len(members))
+	for _, member := range members {
+		patterns := valueForIndexFilter(op, memberKey(key, member), value)
+		switch values := patterns.(type) {
+		case []string:
+			for _, pattern := range values {
+				conditions = append(conditions, sb.Like(column, pattern))
+			}
+		default:
+			if caseInsensitive {
+				conditions = append(conditions, sb.ILike(column, values))
+			} else {
+				conditions = append(conditions, sb.Like(column, values))
+			}
+		}
+	}
+	if len(conditions) == 1 {
+		return conditions[0]
+	}
+	return sb.Or(conditions...)
+}
+
+func memberPresenceCondition(sb *sqlbuilder.SelectBuilder, column string, members []string, exists bool) string {
+	conditions := make([]string, 0, len(members))
+	for _, member := range members {
+		field := fmt.Sprintf("simpleJSONHas(%s, '%s')", column, member)
+		if exists {
+			conditions = append(conditions, sb.E(field, true))
+		} else {
+			conditions = append(conditions, sb.NE(field, true))
+		}
+	}
+	if exists {
+		if len(conditions) == 1 {
+			return conditions[0]
+		}
+		return sb.Or(conditions...)
+	}
+	return sb.And(conditions...)
+}
+
 // SkipResourceFilter is not applicable here: the fingerprint table only stores resource attributes.
 func (b *defaultConditionBuilder) ConditionFor(
 	ctx context.Context,
@@ -115,8 +182,10 @@ func (b *defaultConditionBuilder) conditionForKey(
 	// as we have not changed the resource column in the resource fingerprint table.
 	column := columns[0]
 
-	keyIdxFilter := sb.Like(column.Name, keyIndexFilter(key))
-	valueForIndexFilter := valueForIndexFilter(op, key, value)
+	members := resourceSemconvMembers(key)
+	isFamily := len(members) > 1
+	keyIdxFilter := keyIndexCondition(sb, column.Name, key, members)
+	singleValueIndexFilter := valueForIndexFilter(op, memberKey(key, members[0]), value)
 
 	fieldName, err := b.fm.FieldFor(ctx, valuer.UUID{}, startNs, endNs, key)
 	if err != nil {
@@ -128,12 +197,15 @@ func (b *defaultConditionBuilder) conditionForKey(
 		return sb.And(
 			sb.E(fieldName, formattedValue),
 			keyIdxFilter,
-			sb.Like(column.Name, valueForIndexFilter),
+			valueIndexCondition(sb, column.Name, key, members, op, value, false),
 		), nil
 	case qbtypes.FilterOperatorNotEqual:
+		if isFamily {
+			return sb.NE(fieldName, formattedValue), nil
+		}
 		return sb.And(
 			sb.NE(fieldName, formattedValue),
-			sb.NotLike(column.Name, valueForIndexFilter),
+			sb.NotLike(column.Name, singleValueIndexFilter),
 		), nil
 	case qbtypes.FilterOperatorGreaterThan:
 		return sb.And(sb.GT(fieldName, formattedValue), keyIdxFilter), nil
@@ -148,7 +220,7 @@ func (b *defaultConditionBuilder) conditionForKey(
 		return sb.And(
 			sb.ILike(fieldName, formattedValue),
 			keyIdxFilter,
-			sb.ILike(column.Name, valueForIndexFilter),
+			valueIndexCondition(sb, column.Name, key, members, op, value, true),
 		), nil
 	case qbtypes.FilterOperatorNotLike, qbtypes.FilterOperatorNotILike:
 		// no index filter: as cannot apply `not contains x%y` as y can be somewhere else
@@ -185,13 +257,11 @@ func (b *defaultConditionBuilder) conditionForKey(
 			inConditions = append(inConditions, sb.E(fieldName, querybuilder.FormatValueForContains(v)))
 		}
 		mainCondition := sb.Or(inConditions...)
-		valConditions := make([]string, 0, len(values))
-		if valuesForIndexFilter, ok := valueForIndexFilter.([]string); ok {
-			for _, v := range valuesForIndexFilter {
-				valConditions = append(valConditions, sb.Like(column.Name, v))
-			}
-		}
-		mainCondition = sb.And(mainCondition, keyIdxFilter, sb.Or(valConditions...))
+		mainCondition = sb.And(
+			mainCondition,
+			keyIdxFilter,
+			valueIndexCondition(sb, column.Name, key, members, op, value, false),
+		)
 
 		return mainCondition, nil
 	case qbtypes.FilterOperatorNotIn:
@@ -204,8 +274,11 @@ func (b *defaultConditionBuilder) conditionForKey(
 			notInConditions = append(notInConditions, sb.NE(fieldName, querybuilder.FormatValueForContains(v)))
 		}
 		mainCondition := sb.And(notInConditions...)
+		if isFamily {
+			return mainCondition, nil
+		}
 		valConditions := make([]string, 0, len(values))
-		if valuesForIndexFilter, ok := valueForIndexFilter.([]string); ok {
+		if valuesForIndexFilter, ok := singleValueIndexFilter.([]string); ok {
 			for _, v := range valuesForIndexFilter {
 				valConditions = append(valConditions, sb.NotLike(column.Name, v))
 			}
@@ -215,13 +288,11 @@ func (b *defaultConditionBuilder) conditionForKey(
 
 	case qbtypes.FilterOperatorExists:
 		return sb.And(
-			sb.E(fmt.Sprintf("simpleJSONHas(%s, '%s')", column.Name, key.Name), true),
+			memberPresenceCondition(sb, column.Name, members, true),
 			keyIdxFilter,
 		), nil
 	case qbtypes.FilterOperatorNotExists:
-		return sb.And(
-			sb.NE(fmt.Sprintf("simpleJSONHas(%s, '%s')", column.Name, key.Name), true),
-		), nil
+		return memberPresenceCondition(sb, column.Name, members, false), nil
 
 	case qbtypes.FilterOperatorRegexp:
 		return sb.And(
@@ -237,7 +308,7 @@ func (b *defaultConditionBuilder) conditionForKey(
 		return sb.And(
 			sb.ILike(fieldName, fmt.Sprintf(`%%%s%%`, formattedValue)),
 			keyIdxFilter,
-			sb.ILike(column.Name, valueForIndexFilter),
+			valueIndexCondition(sb, column.Name, key, members, op, value, true),
 		), nil
 	case qbtypes.FilterOperatorNotContains:
 		// no index filter: as cannot apply `not contains x%y` as y can be somewhere else

pkg/statementbuilder/resourcefilter/condition_builder_test.go

@@ -198,6 +198,75 @@ func TestConditionBuilder(t *testing.T) {
 			expected:     "match(simpleJSONExtractString(labels, 'k8s.namespace.name'), ?) AND labels LIKE ?",
 			expectedArgs: []any{"ban.*", "%k8s.namespace.name%"},
 		},
+		{
+			name: "semantic convention family equality uses current-first fallback",
+			key: &telemetrytypes.TelemetryFieldKey{
+				Name:           "deployment.environment.name",
+				FieldContext:   telemetrytypes.FieldContextResource,
+				FieldDataType:  telemetrytypes.FieldDataTypeString,
+				SemconvMembers: []string{"deployment.environment.name", "deployment.environment"},
+			},
+			op:       qbtypes.FilterOperatorEqual,
+			value:    "production",
+			expected: "COALESCE(NULLIF(simpleJSONExtractString(labels, 'deployment.environment.name'), ''), NULLIF(simpleJSONExtractString(labels, 'deployment.environment'), '')) = ? AND (labels LIKE ? OR labels LIKE ?) AND (labels LIKE ? OR labels LIKE ?)",
+			expectedArgs: []any{
+				"production",
+				"%deployment.environment.name%",
+				"%deployment.environment%",
+				`%deployment.environment.name":"production%`,
+				`%deployment.environment":"production%`,
+			},
+		},
+		{
+			name: "old semantic convention request uses only current metadata member",
+			key: &telemetrytypes.TelemetryFieldKey{
+				Name:           "deployment.environment",
+				FieldContext:   telemetrytypes.FieldContextResource,
+				FieldDataType:  telemetrytypes.FieldDataTypeString,
+				SemconvMembers: []string{"deployment.environment.name"},
+			},
+			op:           qbtypes.FilterOperatorEqual,
+			value:        "production",
+			expected:     "simpleJSONExtractString(labels, 'deployment.environment.name') = ? AND labels LIKE ? AND labels LIKE ?",
+			expectedArgs: []any{"production", "%deployment.environment.name%", `%deployment.environment.name":"production%`},
+		},
+		{
+			name: "semantic convention family negative filter does not reject fallback rows",
+			key: &telemetrytypes.TelemetryFieldKey{
+				Name:           "deployment.environment",
+				FieldContext:   telemetrytypes.FieldContextResource,
+				FieldDataType:  telemetrytypes.FieldDataTypeString,
+				SemconvMembers: []string{"deployment.environment.name", "deployment.environment"},
+			},
+			op:           qbtypes.FilterOperatorNotEqual,
+			value:        "staging",
+			expected:     "COALESCE(NULLIF(simpleJSONExtractString(labels, 'deployment.environment.name'), ''), NULLIF(simpleJSONExtractString(labels, 'deployment.environment'), '')) <> ?",
+			expectedArgs: []any{"staging"},
+		},
+		{
+			name: "semantic convention family exists checks every member",
+			key: &telemetrytypes.TelemetryFieldKey{
+				Name:           "deployment.environment.name",
+				FieldContext:   telemetrytypes.FieldContextResource,
+				FieldDataType:  telemetrytypes.FieldDataTypeString,
+				SemconvMembers: []string{"deployment.environment.name", "deployment.environment"},
+			},
+			op:           qbtypes.FilterOperatorExists,
+			expected:     "(simpleJSONHas(labels, 'deployment.environment.name') = ? OR simpleJSONHas(labels, 'deployment.environment') = ?) AND (labels LIKE ? OR labels LIKE ?)",
+			expectedArgs: []any{true, true, "%deployment.environment.name%", "%deployment.environment%"},
+		},
+		{
+			name: "semantic convention family not exists checks every member",
+			key: &telemetrytypes.TelemetryFieldKey{
+				Name:           "deployment.environment",
+				FieldContext:   telemetrytypes.FieldContextResource,
+				FieldDataType:  telemetrytypes.FieldDataTypeString,
+				SemconvMembers: []string{"deployment.environment.name", "deployment.environment"},
+			},
+			op:           qbtypes.FilterOperatorNotExists,
+			expected:     "(simpleJSONHas(labels, 'deployment.environment.name') <> ? AND simpleJSONHas(labels, 'deployment.environment') <> ?)",
+			expectedArgs: []any{true, true},
+		},
 	}
 
 	fm := NewFieldMapper()

pkg/statementbuilder/resourcefilter/field_mapper.go

@@ -3,8 +3,10 @@ package resourcefilter
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	schema "github.com/SigNoz/signoz-otel-collector/cmd/signozschemamigrator/schema_migrator"
+	"github.com/SigNoz/signoz/pkg/semconv"
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 	"github.com/SigNoz/signoz/pkg/valuer"
@@ -32,6 +34,20 @@ func NewFieldMapper() *defaultFieldMapper {
 	return &defaultFieldMapper{}
 }
 
+func resourceSemconvMembers(key *telemetrytypes.TelemetryFieldKey) []string {
+	if key.FieldContext != telemetrytypes.FieldContextResource {
+		return []string{key.Name}
+	}
+	if len(key.SemconvMembers) > 0 {
+		return key.SemconvMembers
+	}
+	return semconv.Members(semconv.KindAttribute, telemetrytypes.FieldKeySelector{
+		Name:         key.Name,
+		Signal:       telemetrytypes.SignalTraces,
+		FieldContext: telemetrytypes.FieldContextResource,
+	})
+}
+
 func (m *defaultFieldMapper) getColumn(
 	_ context.Context,
 	_, _ uint64,
@@ -66,7 +82,15 @@ func (m *defaultFieldMapper) FieldFor(
 		return "", err
 	}
 	if key.FieldContext == telemetrytypes.FieldContextResource {
-		return fmt.Sprintf("simpleJSONExtractString(%s, '%s')", columns[0].Name, key.Name), nil
+		members := resourceSemconvMembers(key)
+		if len(members) > 1 {
+			values := make([]string, 0, len(members))
+			for _, member := range members {
+				values = append(values, fmt.Sprintf("NULLIF(simpleJSONExtractString(%s, '%s'), '')", columns[0].Name, member))
+			}
+			return "COALESCE(" + strings.Join(values, ", ") + ")", nil
+		}
+		return fmt.Sprintf("simpleJSONExtractString(%s, '%s')", columns[0].Name, members[0]), nil
 	}
 	return columns[0].Name, nil
 }

pkg/telemetrymetadata/backward_compat_keys.go

@@ -1,35 +0,0 @@
-package telemetrymetadata
-
-import "github.com/SigNoz/signoz/pkg/types/telemetrytypes"
-
-type BackwardCompatibleKeyMap map[string]string
-
-var (
-	TracesBackwardCompatKeys = BackwardCompatibleKeyMap{
-		"net.peer.name":  "server.address",
-		"server.address": "net.peer.name",
-		"http.url":       "url.full",
-		"url.full":       "http.url",
-	}
-
-	// LogsBackwardCompatKeys contains bidirectional mappings for logs.
-	// Currently empty, can be extended in the future.
-	LogsBackwardCompatKeys = BackwardCompatibleKeyMap{}
-
-	// MetricsBackwardCompatKeys contains bidirectional mappings for metrics.
-	// Currently empty, can be extended in the future.
-	MetricsBackwardCompatKeys = BackwardCompatibleKeyMap{}
-)
-
-func GetBackwardCompatKeysForSignal(signal telemetrytypes.Signal) BackwardCompatibleKeyMap {
-	switch signal {
-	case telemetrytypes.SignalTraces:
-		return TracesBackwardCompatKeys
-	case telemetrytypes.SignalLogs:
-		return LogsBackwardCompatKeys
-	case telemetrytypes.SignalMetrics:
-		return MetricsBackwardCompatKeys
-	default:
-		return BackwardCompatibleKeyMap{}
-	}
-}

pkg/telemetrymetadata/metadata.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
+	"slices"
 	"strings"
 	"time"
 
@@ -14,6 +15,7 @@ import (
 	"github.com/SigNoz/signoz/pkg/factory"
 	"github.com/SigNoz/signoz/pkg/flagger"
 	"github.com/SigNoz/signoz/pkg/querybuilder"
+	"github.com/SigNoz/signoz/pkg/semconv"
 	"github.com/SigNoz/signoz/pkg/telemetryschema/audittelemetryschema"
 	"github.com/SigNoz/signoz/pkg/telemetryschema/logstelemetryschema"
 	"github.com/SigNoz/signoz/pkg/telemetryschema/metertelemetryschema"
@@ -151,6 +153,129 @@ func (t *telemetryMetaStore) tracesTblStatementToFieldKeys(ctx context.Context)
 	return materialisedKeys, nil
 }
 
+func attributeSemconvMembers(name string, signal telemetrytypes.Signal, fieldContext telemetrytypes.FieldContext) []string {
+	return semconv.AttributeMembers(telemetrytypes.FieldKeySelector{
+		Name:         name,
+		Signal:       signal,
+		FieldContext: fieldContext,
+	})
+}
+
+func traceSemconvMembers(name string, fieldContext telemetrytypes.FieldContext) []string {
+	return attributeSemconvMembers(name, telemetrytypes.SignalTraces, fieldContext)
+}
+
+func semconvDuplicateFactor(signal telemetrytypes.Signal) int {
+	factor := 1
+	for _, family := range semconv.All() {
+		if family.Kind != semconv.KindAttribute {
+			continue
+		}
+		if _, ok := semconv.Lookup(semconv.KindAttribute, telemetrytypes.FieldKeySelector{
+			Name:   family.Current,
+			Signal: signal,
+		}); ok {
+			factor = max(factor, len(attributeSemconvMembers(family.Current, signal, telemetrytypes.FieldContextUnspecified)))
+		}
+	}
+	return factor
+}
+
+func traceSemconvDuplicateFactor() int {
+	return semconvDuplicateFactor(telemetrytypes.SignalTraces)
+}
+
+func inStrings(sb *sqlbuilder.SelectBuilder, column string, values []string) string {
+	args := make([]any, 0, len(values))
+	for _, value := range values {
+		args = append(args, value)
+	}
+	return sb.In(column, args...)
+}
+
+// canonicalizeTraceSemconvKeys presents one current-name key for each family.
+// If metadata contains both spellings, metadata attached to the current name
+// wins; otherwise the old entry is copied under the current response name.
+func canonicalizeTraceSemconvKeys(keys []*telemetrytypes.TelemetryFieldKey) []*telemetrytypes.TelemetryFieldKey {
+	return canonicalizeSemconvKeys(keys, telemetrytypes.SignalTraces)
+}
+
+// canonicalizeSemconvKeys presents one current-name key for each enabled
+// attribute family and records only the physical spellings actually present in
+// metadata. That lets field mappers retain their optimized single-key SQL for
+// homogeneous ranges while mixed ranges coalesce current-first.
+func canonicalizeSemconvKeys(keys []*telemetrytypes.TelemetryFieldKey, signal telemetrytypes.Signal) []*telemetrytypes.TelemetryFieldKey {
+	result := make([]*telemetrytypes.TelemetryFieldKey, 0, len(keys))
+	indexByIdentity := make(map[string]int)
+	currentSourceByIdentity := make(map[string]bool)
+
+	for _, key := range keys {
+		if key.Signal != signal {
+			result = append(result, key)
+			continue
+		}
+
+		selector := telemetrytypes.FieldKeySelector{
+			Name:         key.Name,
+			Signal:       signal,
+			FieldContext: key.FieldContext,
+		}
+		members := semconv.AttributeMembers(selector)
+		current := semconv.CurrentAttribute(selector)
+		if len(members) == 1 && current == key.Name {
+			result = append(result, key)
+			continue
+		}
+
+		resolved := *key
+		resolved.Name = current
+		resolved.SemconvMembers = []string{key.Name}
+		identity := resolved.Name + ";" + resolved.Signal.StringValue() + ";" + resolved.FieldContext.StringValue() + ";" + resolved.FieldDataType.StringValue()
+		physicalName := strings.TrimPrefix(key.Name, "resource_")
+		fromCurrent := physicalName == current || physicalName == strings.ReplaceAll(current, ".", "_")
+
+		if index, found := indexByIdentity[identity]; found {
+			physicalMembers := result[index].SemconvMembers
+			if fromCurrent && !currentSourceByIdentity[identity] {
+				result[index] = &resolved
+				currentSourceByIdentity[identity] = true
+			}
+			for _, member := range physicalMembers {
+				if !slices.Contains(result[index].SemconvMembers, member) {
+					result[index].SemconvMembers = append(result[index].SemconvMembers, member)
+				}
+			}
+			if !slices.Contains(result[index].SemconvMembers, key.Name) {
+				result[index].SemconvMembers = append(result[index].SemconvMembers, key.Name)
+			}
+			continue
+		}
+
+		indexByIdentity[identity] = len(result)
+		currentSourceByIdentity[identity] = fromCurrent
+		result = append(result, &resolved)
+	}
+
+	for _, key := range result {
+		if len(key.SemconvMembers) < 2 {
+			continue
+		}
+		present := make(map[string]bool, len(key.SemconvMembers))
+		for _, member := range key.SemconvMembers {
+			present[member] = true
+		}
+		ordered := make([]string, 0, len(key.SemconvMembers))
+		for _, member := range attributeSemconvMembers(key.Name, signal, key.FieldContext) {
+			if present[member] {
+				ordered = append(ordered, member)
+			}
+		}
+		key.SemconvMembers = ordered
+	}
+
+	return result
+}
+
 // getTracesKeys returns the keys from the spans that match the field selection criteria.
 func (t *telemetryMetaStore) getTracesKeys(ctx context.Context, fieldKeySelectors []*telemetrytypes.FieldKeySelector) ([]*telemetrytypes.TelemetryFieldKey, bool, error) {
 	ctx = ctxtypes.NewContextWithCommentVals(ctx, map[string]string{
@@ -202,10 +327,23 @@ func (t *telemetryMetaStore) getTracesKeys(ctx context.Context, fieldKeySelector
 
 		// key part of the selector
 		fieldKeyConds := []string{}
+		members := traceSemconvMembers(fieldKeySelector.Name, fieldKeySelector.FieldContext)
 		if fieldKeySelector.SelectorMatchType == telemetrytypes.FieldSelectorMatchTypeExact {
-			fieldKeyConds = append(fieldKeyConds, sb.E("tagKey", fieldKeySelector.Name))
+			if len(members) == 1 {
+				fieldKeyConds = append(fieldKeyConds, sb.E("tagKey", members[0]))
+			} else {
+				memberValues := make([]any, 0, len(members))
+				for _, member := range members {
+					memberValues = append(memberValues, member)
+				}
+				fieldKeyConds = append(fieldKeyConds, sb.In("tagKey", memberValues...))
+			}
 		} else {
-			fieldKeyConds = append(fieldKeyConds, sb.ILike("tagKey", "%"+escapeForLike(fieldKeySelector.Name)+"%"))
+			memberConditions := make([]string, 0, len(members))
+			for _, member := range members {
+				memberConditions = append(memberConditions, sb.ILike("tagKey", "%"+escapeForLike(member)+"%"))
+			}
+			fieldKeyConds = append(fieldKeyConds, sb.Or(memberConditions...))
 		}
 
 		searchTexts = append(searchTexts, fieldKeySelector.Name)
@@ -238,8 +376,10 @@ func (t *telemetryMetaStore) getTracesKeys(ctx context.Context, fieldKeySelector
 	mainSb.From(mainSb.BuilderAs(sb, "sub_query"))
 	mainSb.GroupBy("tag_key", "tag_type", "tag_data_type")
 	mainSb.OrderBy("priority")
-	// query one extra to check if we hit the limit
-	mainSb.Limit(limit + 1)
+	// Family members collapse after the database query. In the worst case each
+	// logical key occupies one row per family member, so fetch enough physical
+	// rows to return the requested logical page, plus one to detect truncation.
+	mainSb.Limit(limit*traceSemconvDuplicateFactor() + 1)
 
 	query, args := mainSb.BuildWithFlavor(sqlbuilder.ClickHouse)
 
@@ -249,14 +389,7 @@ func (t *telemetryMetaStore) getTracesKeys(ctx context.Context, fieldKeySelector
 	}
 	defer rows.Close()
 	keys := []*telemetrytypes.TelemetryFieldKey{}
-	rowCount := 0
 	for rows.Next() {
-		rowCount++
-		// reached the limit, we know there are more results
-		if rowCount > limit {
-			break
-		}
-
 		var name string
 		var fieldContext telemetrytypes.FieldContext
 		var fieldDataType telemetrytypes.FieldDataType
@@ -285,8 +418,11 @@ func (t *telemetryMetaStore) getTracesKeys(ctx context.Context, fieldKeySelector
 		return nil, false, errors.Wrap(rows.Err(), errors.TypeInternal, errors.CodeInternal, ErrFailedToGetTracesKeys.Error())
 	}
 
-	// hit the limit? (only counting DB results)
-	complete := rowCount <= limit
+	keys = canonicalizeTraceSemconvKeys(keys)
+	complete := len(keys) <= limit
+	if !complete {
+		keys = keys[:limit]
+	}
 
 	staticKeys := []string{"isRoot", "isEntryPoint"}
 	staticKeys = append(staticKeys, maps.Keys(tracestelemetryschema.IntrinsicFields)...)
@@ -460,10 +596,19 @@ func (t *telemetryMetaStore) getLogsKeys(ctx context.Context, orgID valuer.UUID,
 				continue
 			}
 			fieldKeyConds := []string{}
+			members := attributeSemconvMembers(sel.Name, telemetrytypes.SignalLogs, fieldContext)
 			if sel.SelectorMatchType == telemetrytypes.FieldSelectorMatchTypeExact {
-				fieldKeyConds = append(fieldKeyConds, sb.E("name", sel.Name))
+				memberValues := make([]any, 0, len(members))
+				for _, member := range members {
+					memberValues = append(memberValues, member)
+				}
+				fieldKeyConds = append(fieldKeyConds, sb.In("name", memberValues...))
 			} else {
-				fieldKeyConds = append(fieldKeyConds, sb.ILike("name", "%"+escapeForLike(sel.Name)+"%"))
+				memberConds := make([]string, 0, len(members))
+				for _, member := range members {
+					memberConds = append(memberConds, sb.ILike("name", "%"+escapeForLike(member)+"%"))
+				}
+				fieldKeyConds = append(fieldKeyConds, sb.Or(memberConds...))
 			}
 			if sel.FieldDataType != telemetrytypes.FieldDataTypeUnspecified {
 				fieldKeyConds = append(fieldKeyConds, sb.E("datatype", sel.FieldDataType.TagDataType()))
@@ -556,6 +701,7 @@ func (t *telemetryMetaStore) getLogsKeys(ctx context.Context, orgID valuer.UUID,
 		limit = 1000
 	}
 
+	dbLimit := limit * semconvDuplicateFactor(telemetrytypes.SignalLogs)
 	mainQuery := fmt.Sprintf(`
 		SELECT tag_key, tag_type, tag_data_type, max(priority) as priority
 		FROM (
@@ -564,7 +710,7 @@ func (t *telemetryMetaStore) getLogsKeys(ctx context.Context, orgID valuer.UUID,
 		GROUP BY tag_key, tag_type, tag_data_type
 		ORDER BY priority
 		LIMIT %d
-	`, strings.Join(queries, " UNION ALL "), limit+1)
+	`, strings.Join(queries, " UNION ALL "), dbLimit+1)
 
 	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, mainQuery, allArgs...)
 	if err != nil {
@@ -585,7 +731,7 @@ func (t *telemetryMetaStore) getLogsKeys(ctx context.Context, orgID valuer.UUID,
 	for rows.Next() {
 		rowCount++
 		// reached the limit, we know there are more results
-		if rowCount > limit {
+		if rowCount > dbLimit {
 			break
 		}
 
@@ -633,7 +779,16 @@ func (t *telemetryMetaStore) getLogsKeys(ctx context.Context, orgID valuer.UUID,
 	}
 
 	// hit the limit? (only counting DB results)
-	complete := rowCount <= limit
+	complete := rowCount <= dbLimit
+	keys = canonicalizeSemconvKeys(keys, telemetrytypes.SignalLogs)
+	if len(keys) > limit {
+		keys = keys[:limit]
+		complete = false
+	}
+	mapOfKeys = make(map[string]*telemetrytypes.TelemetryFieldKey, len(keys))
+	for _, key := range keys {
+		mapOfKeys[key.Name+";"+key.FieldContext.StringValue()+";"+key.FieldDataType.StringValue()] = key
+	}
 
 	staticKeys := []string{}
 	staticKeys = append(staticKeys, maps.Keys(logstelemetryschema.IntrinsicFields)...)
@@ -941,10 +1096,19 @@ func (t *telemetryMetaStore) getMetricsKeys(ctx context.Context, fieldKeySelecto
 	conds := []string{}
 	for _, fieldKeySelector := range fieldKeySelectors {
 		fieldConds := []string{}
+		members := attributeSemconvMembers(fieldKeySelector.Name, telemetrytypes.SignalMetrics, fieldKeySelector.FieldContext)
 		if fieldKeySelector.SelectorMatchType == telemetrytypes.FieldSelectorMatchTypeExact {
-			fieldConds = append(fieldConds, sb.E("attr_name", fieldKeySelector.Name))
+			memberValues := make([]any, 0, len(members))
+			for _, member := range members {
+				memberValues = append(memberValues, member)
+			}
+			fieldConds = append(fieldConds, sb.In("attr_name", memberValues...))
 		} else {
-			fieldConds = append(fieldConds, sb.ILike("attr_name", "%"+escapeForLike(fieldKeySelector.Name)+"%"))
+			memberConds := make([]string, 0, len(members))
+			for _, member := range members {
+				memberConds = append(memberConds, sb.ILike("attr_name", "%"+escapeForLike(member)+"%"))
+			}
+			fieldConds = append(fieldConds, sb.Or(memberConds...))
 		}
 		fieldConds = append(fieldConds, sb.NotLike("attr_name", "\\_\\_%"))
 
@@ -960,7 +1124,12 @@ func (t *telemetryMetaStore) getMetricsKeys(ctx context.Context, fieldKeySelecto
 
 		if fieldKeySelector.MetricContext != nil {
 			if fieldKeySelector.MetricContext.MetricName != "" {
-				fieldConds = append(fieldConds, sb.E("metric_name", fieldKeySelector.MetricContext.MetricName))
+				metricNames := semconv.MetricNames(fieldKeySelector.MetricContext.MetricName)
+				metricValues := make([]any, 0, len(metricNames))
+				for _, metricName := range metricNames {
+					metricValues = append(metricValues, metricName)
+				}
+				fieldConds = append(fieldConds, sb.In("metric_name", metricValues...))
 			}
 			if fieldKeySelector.MetricContext.MetricNamespace != "" {
 				fieldConds = append(fieldConds, sb.Like("metric_name", escapeForLike(fieldKeySelector.MetricContext.MetricNamespace)+"%"))
@@ -982,7 +1151,8 @@ func (t *telemetryMetaStore) getMetricsKeys(ctx context.Context, fieldKeySelecto
 	mainSb.GroupBy("name", "field_context", "field_data_type")
 	mainSb.OrderBy("priority")
 	// query one extra to check if we hit the limit
-	mainSb.Limit(limit + 1)
+	dbLimit := limit * semconvDuplicateFactor(telemetrytypes.SignalMetrics)
+	mainSb.Limit(dbLimit + 1)
 
 	query, args := mainSb.BuildWithFlavor(sqlbuilder.ClickHouse)
 
@@ -997,7 +1167,7 @@ func (t *telemetryMetaStore) getMetricsKeys(ctx context.Context, fieldKeySelecto
 	for rows.Next() {
 		rowCount++
 		// reached the limit, we know there are more results
-		if rowCount > limit {
+		if rowCount > dbLimit {
 			break
 		}
 
@@ -1022,7 +1192,12 @@ func (t *telemetryMetaStore) getMetricsKeys(ctx context.Context, fieldKeySelecto
 	}
 
 	// hit the limit?
-	complete := rowCount <= limit
+	complete := rowCount <= dbLimit
+	keys = canonicalizeSemconvKeys(keys, telemetrytypes.SignalMetrics)
+	if len(keys) > limit {
+		keys = keys[:limit]
+		complete = false
+	}
 
 	return keys, complete, nil
 }
@@ -1044,16 +1219,30 @@ func (t *telemetryMetaStore) getMeterSourceMetricKeys(ctx context.Context, field
 	var limit int
 	for _, fieldKeySelector := range fieldKeySelectors {
 		fieldConds := []string{}
+		members := attributeSemconvMembers(fieldKeySelector.Name, telemetrytypes.SignalMetrics, fieldKeySelector.FieldContext)
 		if fieldKeySelector.SelectorMatchType == telemetrytypes.FieldSelectorMatchTypeExact {
-			fieldConds = append(fieldConds, sb.E("attr_name", fieldKeySelector.Name))
+			memberValues := make([]any, 0, len(members))
+			for _, member := range members {
+				memberValues = append(memberValues, member)
+			}
+			fieldConds = append(fieldConds, sb.In("attr_name", memberValues...))
 		} else {
-			fieldConds = append(fieldConds, sb.Like("attr_name", "%"+fieldKeySelector.Name+"%"))
+			memberConds := make([]string, 0, len(members))
+			for _, member := range members {
+				memberConds = append(memberConds, sb.Like("attr_name", "%"+member+"%"))
+			}
+			fieldConds = append(fieldConds, sb.Or(memberConds...))
 		}
 		fieldConds = append(fieldConds, sb.NotLike("attr_name", "\\_\\_%"))
 
 		if fieldKeySelector.MetricContext != nil {
 			if fieldKeySelector.MetricContext.MetricName != "" {
-				fieldConds = append(fieldConds, sb.E("metric_name", fieldKeySelector.MetricContext.MetricName))
+				metricNames := semconv.MetricNames(fieldKeySelector.MetricContext.MetricName)
+				metricValues := make([]any, 0, len(metricNames))
+				for _, metricName := range metricNames {
+					metricValues = append(metricValues, metricName)
+				}
+				fieldConds = append(fieldConds, sb.In("metric_name", metricValues...))
 			}
 			if fieldKeySelector.MetricContext.MetricNamespace != "" {
 				fieldConds = append(fieldConds, sb.Like("metric_name", escapeForLike(fieldKeySelector.MetricContext.MetricNamespace)+"%"))
@@ -1068,7 +1257,8 @@ func (t *telemetryMetaStore) getMeterSourceMetricKeys(ctx context.Context, field
 		limit = 1000
 	}
 
-	sb.Limit(limit)
+	dbLimit := limit * semconvDuplicateFactor(telemetrytypes.SignalMetrics)
+	sb.Limit(dbLimit + 1)
 	query, args := sb.BuildWithFlavor(sqlbuilder.ClickHouse)
 
 	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, args...)
@@ -1082,7 +1272,7 @@ func (t *telemetryMetaStore) getMeterSourceMetricKeys(ctx context.Context, field
 	for rows.Next() {
 		rowCount++
 		// reached the limit, we know there are more results
-		if rowCount > limit {
+		if rowCount > dbLimit {
 			break
 		}
 
@@ -1091,9 +1281,14 @@ func (t *telemetryMetaStore) getMeterSourceMetricKeys(ctx context.Context, field
 		if err != nil {
 			return nil, false, errors.Wrap(err, errors.TypeInternal, errors.CodeInternal, ErrFailedToGetMeterKeys.Error())
 		}
+		fieldContext := telemetrytypes.FieldContextAttribute
+		if strings.HasPrefix(name, "resource_") {
+			fieldContext = telemetrytypes.FieldContextResource
+		}
 		keys = append(keys, &telemetrytypes.TelemetryFieldKey{
-			Name:   name,
-			Signal: telemetrytypes.SignalMetrics,
+			Name:         name,
+			Signal:       telemetrytypes.SignalMetrics,
+			FieldContext: fieldContext,
 		})
 	}
 
@@ -1102,46 +1297,17 @@ func (t *telemetryMetaStore) getMeterSourceMetricKeys(ctx context.Context, field
 	}
 
 	// hit the limit?
-	complete := rowCount <= limit
+	complete := rowCount <= dbLimit
+	keys = canonicalizeSemconvKeys(keys, telemetrytypes.SignalMetrics)
+	if len(keys) > limit {
+		keys = keys[:limit]
+		complete = false
+	}
 
 	return keys, complete, nil
 
 }
 
-// applyBackwardCompatibleKeys adds backward compatible key aliases to the map.
-func applyBackwardCompatibleKeys(mapOfKeys map[string][]*telemetrytypes.TelemetryFieldKey) {
-	// Get backward compatible keys for all signals
-	backwardCompatKeysBySignal := map[telemetrytypes.Signal]BackwardCompatibleKeyMap{
-		telemetrytypes.SignalTraces:  GetBackwardCompatKeysForSignal(telemetrytypes.SignalTraces),
-		telemetrytypes.SignalLogs:    GetBackwardCompatKeysForSignal(telemetrytypes.SignalLogs),
-		telemetrytypes.SignalMetrics: GetBackwardCompatKeysForSignal(telemetrytypes.SignalMetrics),
-	}
-
-	// Iterate over existing keys and add aliases if they exist in backward compat mapping
-	for srcKey, srcKeys := range mapOfKeys {
-		for _, srcKeyEntry := range srcKeys {
-			backwardCompatKeys := backwardCompatKeysBySignal[srcKeyEntry.Signal]
-			if backwardCompatKeys == nil {
-				continue
-			}
-
-			if aliasKey, ok := backwardCompatKeys[srcKey]; ok {
-				if _, aliasExists := mapOfKeys[aliasKey]; !aliasExists {
-					aliasKeyEntry := &telemetrytypes.TelemetryFieldKey{
-						Name:          aliasKey,
-						Signal:        srcKeyEntry.Signal,
-						FieldContext:  srcKeyEntry.FieldContext,
-						FieldDataType: srcKeyEntry.FieldDataType,
-					}
-					mapOfKeys[aliasKey] = []*telemetrytypes.TelemetryFieldKey{aliasKeyEntry}
-				}
-				// Found the alias for this signal, no need to check other entries
-				break
-			}
-		}
-	}
-}
-
 func enrichWithIntrinsicMetricKeys(keys map[string][]*telemetrytypes.TelemetryFieldKey, selectors []*telemetrytypes.FieldKeySelector) map[string][]*telemetrytypes.TelemetryFieldKey {
 	if len(selectors) == 0 {
 		return keys
@@ -1272,7 +1438,6 @@ func (t *telemetryMetaStore) GetKeys(ctx context.Context, orgID valuer.UUID, fie
 		mapOfKeys[key.Name] = append(mapOfKeys[key.Name], key)
 	}
 
-	applyBackwardCompatibleKeys(mapOfKeys)
 	mapOfKeys = enrichWithIntrinsicMetricKeys(mapOfKeys, selectors)
 	if t.fl.BooleanOrEmpty(ctx, flagger.FeatureEnableAIObservability, featuretypes.NewFlaggerEvaluationContext(orgID)) {
 		mapOfKeys = enrichWithGenAIKeys(mapOfKeys, selectors)
@@ -1353,7 +1518,6 @@ func (t *telemetryMetaStore) GetKeysMulti(ctx context.Context, orgID valuer.UUID
 		mapOfKeys[key.Name] = append(mapOfKeys[key.Name], key)
 	}
 
-	applyBackwardCompatibleKeys(mapOfKeys)
 	mapOfKeys = enrichWithIntrinsicMetricKeys(mapOfKeys, fieldKeySelectors)
 	if t.fl.BooleanOrEmpty(ctx, flagger.FeatureEnableAIObservability, featuretypes.NewFlaggerEvaluationContext(orgID)) {
 		mapOfKeys = enrichWithGenAIKeys(mapOfKeys, fieldKeySelectors)
@@ -1367,7 +1531,18 @@ func (t *telemetryMetaStore) GetKey(ctx context.Context, orgID valuer.UUID, fiel
 	if err != nil {
 		return nil, err
 	}
-	return keys[fieldKeySelector.Name], nil
+	members := semconv.Members(semconv.KindAttribute, *fieldKeySelector)
+	resolved := make([]*telemetrytypes.TelemetryFieldKey, 0)
+	seen := make(map[*telemetrytypes.TelemetryFieldKey]bool)
+	for _, member := range members {
+		for _, key := range keys[member] {
+			if !seen[key] {
+				resolved = append(resolved, key)
+				seen[key] = true
+			}
+		}
+	}
+	return resolved, nil
 }
 
 func (t *telemetryMetaStore) getRelatedValues(ctx context.Context, orgID valuer.UUID, fieldValueSelector *telemetrytypes.FieldValueSelector) ([]string, bool, error) {
@@ -1486,7 +1661,6 @@ func (t *telemetryMetaStore) getRelatedValues(ctx context.Context, orgID valuer.
 	if limit == 0 {
 		limit = 50
 	}
-	// query one extra to check if we hit the limit
 	sb.Limit(limit + 1)
 
 	query, args := sb.BuildWithFlavor(sqlbuilder.ClickHouse)
@@ -1542,7 +1716,16 @@ func (t *telemetryMetaStore) getSpanFieldValues(ctx context.Context, fieldValueS
 	sb := sqlbuilder.Select("DISTINCT string_value, number_value").From(t.tracesDBName + "." + t.tracesFieldsTblName)
 
 	if fieldValueSelector.Name != "" {
-		sb.Where(sb.E("tag_key", fieldValueSelector.Name))
+		members := traceSemconvMembers(fieldValueSelector.Name, fieldValueSelector.FieldContext)
+		if len(members) == 1 {
+			sb.Where(sb.E("tag_key", members[0]))
+		} else {
+			memberValues := make([]any, 0, len(members))
+			for _, member := range members {
+				memberValues = append(memberValues, member)
+			}
+			sb.Where(sb.In("tag_key", memberValues...))
+		}
 	}
 
 	// now look at the field context
@@ -1632,7 +1815,12 @@ func (t *telemetryMetaStore) getLogFieldValues(ctx context.Context, fieldValueSe
 	sb := sqlbuilder.Select("DISTINCT string_value, number_value").From(t.logsDBName + "." + t.logsFieldsTblName)
 
 	if fieldValueSelector.Name != "" {
-		sb.Where(sb.E("tag_key", fieldValueSelector.Name))
+		members := attributeSemconvMembers(fieldValueSelector.Name, telemetrytypes.SignalLogs, fieldValueSelector.FieldContext)
+		memberValues := make([]any, 0, len(members))
+		for _, member := range members {
+			memberValues = append(memberValues, member)
+		}
+		sb.Where(sb.In("tag_key", memberValues...))
 	}
 
 	if fieldValueSelector.FieldContext != telemetrytypes.FieldContextUnspecified {
@@ -1830,7 +2018,9 @@ func (t *telemetryMetaStore) getMetricFieldValues(ctx context.Context, orgID val
 		From(t.metricsDBName + "." + t.metricsFieldsTblName)
 
 	if fieldValueSelector.Name != "" {
-		sb.Where(sb.E("attr_name", fieldValueSelector.Name))
+		sb.Where(inStrings(sb, "attr_name", attributeSemconvMembers(
+			fieldValueSelector.Name, telemetrytypes.SignalMetrics, fieldValueSelector.FieldContext,
+		)))
 	}
 
 	if fieldValueSelector.FieldContext != telemetrytypes.FieldContextUnspecified {
@@ -1842,7 +2032,7 @@ func (t *telemetryMetaStore) getMetricFieldValues(ctx context.Context, orgID val
 	}
 
 	if fieldValueSelector.MetricContext != nil && fieldValueSelector.MetricContext.MetricName != "" {
-		sb.Where(sb.E("metric_name", fieldValueSelector.MetricContext.MetricName))
+		sb.Where(inStrings(sb, "metric_name", semconv.MetricNames(fieldValueSelector.MetricContext.MetricName)))
 	}
 	if fieldValueSelector.MetricContext != nil && fieldValueSelector.MetricContext.MetricNamespace != "" {
 		sb.Where(sb.Like("metric_name", escapeForLike(fieldValueSelector.MetricContext.MetricNamespace)+"%"))
@@ -1976,7 +2166,7 @@ func (t *telemetryMetaStore) getIntrinsicMetricFieldValuesForTable(ctx context.C
 		From(t.metricsDBName + "." + tableName)
 
 	if fieldValueSelector.MetricContext != nil && fieldValueSelector.MetricContext.MetricName != "" {
-		sb.Where(sb.E("metric_name", fieldValueSelector.MetricContext.MetricName))
+		sb.Where(inStrings(sb, "metric_name", semconv.MetricNames(fieldValueSelector.MetricContext.MetricName)))
 	}
 	if fieldValueSelector.MetricContext != nil && fieldValueSelector.MetricContext.MetricNamespace != "" {
 		sb.Where(sb.Like("metric_name", escapeForLike(fieldValueSelector.MetricContext.MetricNamespace)+"%"))
@@ -2039,12 +2229,14 @@ func (t *telemetryMetaStore) getMeterSourceMetricFieldValues(ctx context.Context
 		From(t.meterDBName + "." + t.meterFieldsTblName)
 
 	if fieldValueSelector.Name != "" {
-		sb.Where(sb.E("attr.1", fieldValueSelector.Name))
+		sb.Where(inStrings(sb, "attr.1", attributeSemconvMembers(
+			fieldValueSelector.Name, telemetrytypes.SignalMetrics, fieldValueSelector.FieldContext,
+		)))
 	}
 	sb.Where(sb.NotLike("attr.1", "\\_\\_%"))
 
 	if fieldValueSelector.MetricContext != nil && fieldValueSelector.MetricContext.MetricName != "" {
-		sb.Where(sb.E("metric_name", fieldValueSelector.MetricContext.MetricName))
+		sb.Where(inStrings(sb, "metric_name", semconv.MetricNames(fieldValueSelector.MetricContext.MetricName)))
 	}
 	if fieldValueSelector.MetricContext != nil && fieldValueSelector.MetricContext.MetricNamespace != "" {
 		sb.Where(sb.Like("metric_name", escapeForLike(fieldValueSelector.MetricContext.MetricNamespace)+"%"))
@@ -2063,8 +2255,10 @@ func (t *telemetryMetaStore) getMeterSourceMetricFieldValues(ctx context.Context
 	if limit == 0 {
 		limit = 50
 	}
-	// query one extra to check if we hit the limit
-	sb.Limit(limit + 1)
+	// A value can be present under several physical spellings; over-fetch and
+	// de-duplicate after scanning so one family cannot consume the result limit.
+	dbLimit := limit * semconvDuplicateFactor(telemetrytypes.SignalMetrics)
+	sb.Limit(dbLimit + 1)
 
 	query, args := sb.BuildWithFlavor(sqlbuilder.ClickHouse)
 	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, args...)
@@ -2074,11 +2268,13 @@ func (t *telemetryMetaStore) getMeterSourceMetricFieldValues(ctx context.Context
 	defer rows.Close()
 
 	values := &telemetrytypes.TelemetryFieldValues{}
+	seen := make(map[string]bool)
 	rowCount := 0
+	uniqueCount := 0
 	for rows.Next() {
 		rowCount++
 		// reached the limit, we know there are more results
-		if rowCount > limit {
+		if rowCount > dbLimit {
 			break
 		}
 
@@ -2087,12 +2283,16 @@ func (t *telemetryMetaStore) getMeterSourceMetricFieldValues(ctx context.Context
 			return nil, false, errors.Wrap(err, errors.TypeInternal, errors.CodeInternal, ErrFailedToGetMeterValues.Error())
 		}
 		if len(attribute) > 1 {
-			values.StringValues = append(values.StringValues, attribute[1])
+			if !seen[attribute[1]] && uniqueCount < limit {
+				values.StringValues = append(values.StringValues, attribute[1])
+				seen[attribute[1]] = true
+				uniqueCount++
+			}
 		}
 	}
 
 	// hit the limit?
-	complete := rowCount <= limit
+	complete := rowCount <= dbLimit && uniqueCount < limit
 	return values, complete, nil
 }
 

pkg/telemetrymetadata/metadata_query_test.go

@@ -12,6 +12,7 @@ import (
 	"github.com/SigNoz/signoz/pkg/telemetrystore"
 	"github.com/SigNoz/signoz/pkg/telemetrystore/telemetrystoretest"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/SigNoz/signoz/pkg/valuer"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -83,3 +84,121 @@ func TestGetFirstSeenFromMetricMetadata(t *testing.T) {
 		t.Errorf("there were unfulfilled expectations: %s", err)
 	}
 }
+
+func TestCanonicalizeTraceSemconvKeys(t *testing.T) {
+	oldResource := &telemetrytypes.TelemetryFieldKey{
+		Name:          "deployment.environment",
+		Description:   "old resource metadata",
+		Signal:        telemetrytypes.SignalTraces,
+		FieldContext:  telemetrytypes.FieldContextResource,
+		FieldDataType: telemetrytypes.FieldDataTypeString,
+	}
+	currentResource := &telemetrytypes.TelemetryFieldKey{
+		Name:          "deployment.environment.name",
+		Description:   "current resource metadata",
+		Signal:        telemetrytypes.SignalTraces,
+		FieldContext:  telemetrytypes.FieldContextResource,
+		FieldDataType: telemetrytypes.FieldDataTypeString,
+	}
+	oldAttribute := &telemetrytypes.TelemetryFieldKey{
+		Name:          "deployment.environment",
+		Signal:        telemetrytypes.SignalTraces,
+		FieldContext:  telemetrytypes.FieldContextAttribute,
+		FieldDataType: telemetrytypes.FieldDataTypeString,
+	}
+	oldLogResource := &telemetrytypes.TelemetryFieldKey{
+		Name:          "deployment.environment",
+		Signal:        telemetrytypes.SignalLogs,
+		FieldContext:  telemetrytypes.FieldContextResource,
+		FieldDataType: telemetrytypes.FieldDataTypeString,
+	}
+
+	result := canonicalizeTraceSemconvKeys([]*telemetrytypes.TelemetryFieldKey{
+		oldResource,
+		currentResource,
+		oldAttribute,
+		oldLogResource,
+	})
+
+	require.Len(t, result, 3)
+	assert.Equal(t, "deployment.environment.name", result[0].Name)
+	assert.Equal(t, "current resource metadata", result[0].Description)
+	assert.Equal(t, []string{"deployment.environment.name", "deployment.environment"}, result[0].SemconvMembers)
+	assert.Equal(t, "deployment.environment.name", result[1].Name)
+	assert.Equal(t, telemetrytypes.FieldContextAttribute, result[1].FieldContext)
+	assert.Equal(t, []string{"deployment.environment"}, result[1].SemconvMembers)
+	assert.Equal(t, "deployment.environment", result[2].Name, "phase 1 must not rewrite raw log metadata")
+}
+
+func TestCanonicalizeLogAndMetricSemconvKeys(t *testing.T) {
+	logKeys := canonicalizeSemconvKeys([]*telemetrytypes.TelemetryFieldKey{
+		{
+			Name:          "db.system",
+			Signal:        telemetrytypes.SignalLogs,
+			FieldContext:  telemetrytypes.FieldContextAttribute,
+			FieldDataType: telemetrytypes.FieldDataTypeString,
+		},
+		{
+			Name:          "db.system.name",
+			Signal:        telemetrytypes.SignalLogs,
+			FieldContext:  telemetrytypes.FieldContextAttribute,
+			FieldDataType: telemetrytypes.FieldDataTypeString,
+		},
+	}, telemetrytypes.SignalLogs)
+	require.Len(t, logKeys, 1)
+	assert.Equal(t, "db.system.name", logKeys[0].Name)
+	assert.Equal(t, []string{"db.system.name", "db.system"}, logKeys[0].SemconvMembers)
+
+	metricKeys := canonicalizeSemconvKeys([]*telemetrytypes.TelemetryFieldKey{
+		{
+			Name:          "resource_db_system",
+			Signal:        telemetrytypes.SignalMetrics,
+			FieldContext:  telemetrytypes.FieldContextResource,
+			FieldDataType: telemetrytypes.FieldDataTypeString,
+		},
+		{
+			Name:          "db.system.name",
+			Signal:        telemetrytypes.SignalMetrics,
+			FieldContext:  telemetrytypes.FieldContextResource,
+			FieldDataType: telemetrytypes.FieldDataTypeString,
+		},
+	}, telemetrytypes.SignalMetrics)
+	require.Len(t, metricKeys, 1)
+	assert.Equal(t, "db.system.name", metricKeys[0].Name)
+	assert.Equal(t, []string{"db.system.name", "resource_db_system"}, metricKeys[0].SemconvMembers)
+}
+
+func TestGetSpanFieldValuesMergesSemconvFamily(t *testing.T) {
+	mockTelemetryStore := telemetrystoretest.New(telemetrystore.Config{}, &regexMatcher{})
+	mock := mockTelemetryStore.Mock()
+
+	metadata := NewTelemetryMetaStore(
+		instrumentationtest.New().ToProviderSettings(),
+		mockTelemetryStore,
+		flaggertest.New(t),
+	)
+
+	mock.ExpectQuery(`SELECT DISTINCT string_value, number_value FROM signoz_traces\.distributed_tag_attributes_v2 WHERE tag_key IN \(\?, \?\) AND tag_type = \? AND tag_data_type = \? LIMIT \?`).
+		WithArgs("deployment.environment.name", "deployment.environment", "resource", "string", 51).
+		WillReturnRows(cmock.NewRows([]cmock.ColumnType{
+			{Name: "string_value", Type: "String"},
+			{Name: "number_value", Type: "Float64"},
+		}, [][]any{
+			{"production", float64(0)},
+			{"staging", float64(0)},
+			{"production", float64(0)},
+		}))
+
+	values, complete, err := metadata.GetAllValues(context.Background(), valuer.UUID{}, &telemetrytypes.FieldValueSelector{
+		FieldKeySelector: &telemetrytypes.FieldKeySelector{
+			Signal:        telemetrytypes.SignalTraces,
+			FieldContext:  telemetrytypes.FieldContextResource,
+			FieldDataType: telemetrytypes.FieldDataTypeString,
+			Name:          "deployment.environment",
+		},
+	})
+	require.NoError(t, err)
+	assert.True(t, complete)
+	assert.Equal(t, []string{"production", "staging"}, values.StringValues)
+	assert.NoError(t, mock.ExpectationsWereMet(), "all expected metadata queries should be executed")
+}

pkg/telemetrymetadata/semconv_migration.go

@@ -0,0 +1,156 @@
+package telemetrymetadata
+
+import (
+	"context"
+	"fmt"
+	"slices"
+	"strings"
+
+	"github.com/huandu/go-sqlbuilder"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	"github.com/SigNoz/signoz/pkg/semconv"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/SigNoz/signoz/pkg/valuer"
+)
+
+type semconvMigrationRow struct {
+	current           string
+	old               string
+	signal            string
+	service           string
+	resourceSets      uint64
+	lastSeenUnixMilli int64
+}
+
+// GetSemconvMigrationReport derives an old-only service report from the
+// generated family registry and attributes_metadata. The latter is already a
+// deduplicated set of resource/attribute fingerprints, so this audit avoids a
+// scan of the raw telemetry tables.
+func (t *telemetryMetaStore) GetSemconvMigrationReport(
+	ctx context.Context,
+	_ valuer.UUID,
+	startUnixMilli, endUnixMilli int64,
+) (*telemetrytypes.GettableSemconvMigrationReport, error) {
+	query, args := t.semconvMigrationReportQuery(startUnixMilli, endUnixMilli)
+	report := &telemetrytypes.GettableSemconvMigrationReport{
+		StartUnixMilli: startUnixMilli,
+		EndUnixMilli:   endUnixMilli,
+		Entries:        []*telemetrytypes.SemconvMigrationReportEntry{},
+	}
+	if query == "" {
+		return report, nil
+	}
+
+	rows, err := t.telemetrystore.ClickhouseDB().Query(ctx, query, args...)
+	if err != nil {
+		return nil, errors.Wrap(err, errors.TypeInternal, errors.CodeInternal, "failed to build semantic-convention migration report")
+	}
+	defer rows.Close()
+
+	grouped := make(map[string]*telemetrytypes.SemconvMigrationReportEntry)
+	serviceSets := make(map[string]map[string]struct{})
+	for rows.Next() {
+		var row semconvMigrationRow
+		if err := rows.Scan(
+			&row.current,
+			&row.old,
+			&row.signal,
+			&row.service,
+			&row.resourceSets,
+			&row.lastSeenUnixMilli,
+		); err != nil {
+			return nil, errors.Wrap(err, errors.TypeInternal, errors.CodeInternal, "failed to scan semantic-convention migration report")
+		}
+
+		identity := row.current + "\x00" + row.old + "\x00" + row.signal
+		entry, ok := grouped[identity]
+		if !ok {
+			entry = &telemetrytypes.SemconvMigrationReportEntry{
+				Current:  row.current,
+				Old:      row.old,
+				Signal:   row.signal,
+				Services: []string{},
+			}
+			grouped[identity] = entry
+			serviceSets[identity] = make(map[string]struct{})
+			report.Entries = append(report.Entries, entry)
+		}
+		serviceSets[identity][row.service] = struct{}{}
+		entry.ResourceSets += row.resourceSets
+		entry.LastSeenUnixMilli = max(entry.LastSeenUnixMilli, row.lastSeenUnixMilli)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, errors.Wrap(err, errors.TypeInternal, errors.CodeInternal, "failed to read semantic-convention migration report")
+	}
+
+	for identity, entry := range grouped {
+		for service := range serviceSets[identity] {
+			entry.Services = append(entry.Services, service)
+		}
+		slices.Sort(entry.Services)
+	}
+	slices.SortFunc(report.Entries, func(a, b *telemetrytypes.SemconvMigrationReportEntry) int {
+		return strings.Compare(a.Current+"\x00"+a.Old+"\x00"+a.Signal, b.Current+"\x00"+b.Old+"\x00"+b.Signal)
+	})
+
+	return report, nil
+}
+
+func (t *telemetryMetaStore) semconvMigrationReportQuery(startUnixMilli, endUnixMilli int64) (string, []any) {
+	builders := make([]sqlbuilder.Builder, 0)
+	for _, family := range semconv.All() {
+		if family.Kind != semconv.KindAttribute {
+			continue
+		}
+		for _, old := range family.Old {
+			sb := sqlbuilder.NewSelectBuilder()
+			sb.Select(
+				fmt.Sprintf("%s AS current_name", sb.Var(family.Current)),
+				fmt.Sprintf("%s AS old_name", sb.Var(old)),
+				"data_source",
+				"if(empty(resource_attributes['service.name']), '<unknown>', resource_attributes['service.name']) AS service_name",
+				"uniqExact(tuple(resource_fingerprint, attrs_fingerprint)) AS resource_sets",
+				"max(unix_milli) AS last_seen_unix_milli",
+			)
+			sb.From(t.relatedMetadataDBName + "." + t.relatedMetadataTblName)
+			sb.Where(sb.GE("unix_milli", startUnixMilli))
+			sb.Where(sb.LE("unix_milli", endUnixMilli))
+
+			if len(family.Signals) > 0 {
+				signals := make([]any, 0, len(family.Signals))
+				for _, signal := range family.Signals {
+					signals = append(signals, signal.StringValue())
+				}
+				sb.Where(sb.In("data_source", signals...))
+			}
+
+			oldPresence := semconvMetadataPresenceConditions(sb, old)
+			currentPresence := semconvMetadataPresenceConditions(sb, family.Current)
+			sb.Where(sb.Or(oldPresence...))
+			sb.Where(fmt.Sprintf("NOT (%s)", sb.Or(currentPresence...)))
+			sb.GroupBy("data_source", "service_name")
+			builders = append(builders, sb)
+		}
+	}
+
+	if len(builders) == 0 {
+		return "", nil
+	}
+	union := sqlbuilder.UnionAll(builders...)
+	return union.BuildWithFlavor(sqlbuilder.ClickHouse)
+}
+
+func semconvMetadataPresenceConditions(sb *sqlbuilder.SelectBuilder, name string) []string {
+	spellings := []string{name, strings.ReplaceAll(name, ".", "_")}
+	spellings = append(spellings, "resource_"+name, "resource_"+strings.ReplaceAll(name, ".", "_"))
+	spellings = slices.Compact(spellings)
+	conditions := make([]string, 0, len(spellings)*2)
+	for _, spelling := range spellings {
+		conditions = append(conditions,
+			fmt.Sprintf("mapContains(resource_attributes, %s)", sb.Var(spelling)),
+			fmt.Sprintf("mapContains(attributes, %s)", sb.Var(spelling)),
+		)
+	}
+	return conditions
+}

pkg/telemetrymetadata/stmt_parse.go

@@ -89,10 +89,12 @@ func (v *TelemetryFieldVisitor) VisitColumnDef(expr *parser.ColumnDef) error {
 
 	// Create and store the TelemetryFieldKey
 	field := &telemetrytypes.TelemetryFieldKey{
-		Name:          fieldName,
-		FieldContext:  fieldContext,
-		FieldDataType: fieldDataType,
-		Materialized:  true,
+		Name:                   fieldName,
+		FieldContext:           fieldContext,
+		FieldDataType:          fieldDataType,
+		Materialized:           true,
+		MaterializedColumnName: columnName,
+		MaterializedSemconv:    strings.Count(defaultExprStr, "['") > 1,
 	}
 
 	v.Fields = append(v.Fields, field)

pkg/telemetrymetadata/stmt_parse_test.go

@@ -5,8 +5,25 @@ import (
 	"testing"
 
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
+func TestExtractFieldKeyPreservesHistoricalMaterializedColumnName(t *testing.T) {
+	statement := `CREATE TABLE signoz_traces.signoz_index_v3
+	(
+		attributes_string Map(LowCardinality(String), String),
+		` + "`attribute_string_db$$system`" + ` LowCardinality(String)
+			DEFAULT if(mapContains(attributes_string, 'db.system.name'), attributes_string['db.system.name'], attributes_string['db.system'])
+	) ENGINE = MergeTree ORDER BY tuple()`
+	keys, err := ExtractFieldKeysFromTblStatement(statement)
+	require.NoError(t, err, "table statement should parse")
+	require.Len(t, keys, 1, "table statement should contain one materialized key")
+	assert.Equal(t, "db.system.name", keys[0].Name)
+	assert.Equal(t, "attribute_string_db$$system", keys[0].MaterializedColumnName)
+	assert.True(t, keys[0].MaterializedSemconv)
+}
+
 func TestExtractFieldKeysFromTblStatement(t *testing.T) {
 
 	var statement = `CREATE TABLE signoz_logs.logs_v2

pkg/telemetryschema/logstelemetryschema/condition_builder.go

@@ -453,6 +453,9 @@ func (c *conditionBuilder) ConditionFor(
 	sb *sqlbuilder.SelectBuilder,
 ) ([]string, []string, error) {
 	matches := querybuilder.MatchingFieldKeys(key, fieldKeys)
+	if options.ExactSemconv {
+		matches = querybuilder.MatchingFieldKeysExact(key, fieldKeys)
+	}
 	skipResourceFilter := options.SkipResourceFilter
 
 	// search() resolves its own (optional) scope; handle it before key resolution.
@@ -499,6 +502,9 @@ func (c *conditionBuilder) ConditionFor(
 			warnings = append(warnings, querybuilder.NewKeyNotFoundWarning(key.Name))
 		}
 	}
+	if options.ExactSemconv {
+		keys = querybuilder.ExactSemconvKeys(keys)
+	}
 
 	if skipResourceFilter && !synthesized {
 		filtered := make([]*telemetrytypes.TelemetryFieldKey, 0, len(keys))

pkg/telemetryschema/logstelemetryschema/field_mapper.go

@@ -10,6 +10,7 @@ import (
 	"github.com/SigNoz/signoz/pkg/errors"
 	"github.com/SigNoz/signoz/pkg/flagger"
 	"github.com/SigNoz/signoz/pkg/querybuilder"
+	"github.com/SigNoz/signoz/pkg/semconv"
 	"github.com/SigNoz/signoz/pkg/types/featuretypes"
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
@@ -67,6 +68,20 @@ type fieldMapper struct {
 	fl flagger.Flagger
 }
 
+func logSemconvMembers(key *telemetrytypes.TelemetryFieldKey) []string {
+	if key.FieldContext != telemetrytypes.FieldContextResource && key.FieldContext != telemetrytypes.FieldContextAttribute {
+		return []string{key.Name}
+	}
+	if len(key.SemconvMembers) > 0 {
+		return key.SemconvMembers
+	}
+	return semconv.AttributeMembers(telemetrytypes.FieldKeySelector{
+		Name:         key.Name,
+		Signal:       telemetrytypes.SignalLogs,
+		FieldContext: key.FieldContext,
+	})
+}
+
 func NewFieldMapper(fl flagger.Flagger) qbtypes.FieldMapper {
 	return &fieldMapper{fl: fl}
 }
@@ -141,8 +156,20 @@ func (m *fieldMapper) FieldFor(ctx context.Context, orgID valuer.UUID, tsStart,
 		case schema.ColumnTypeEnumJSON:
 			switch key.FieldContext {
 			case telemetrytypes.FieldContextResource:
-				exprs = append(exprs, fmt.Sprintf("%s.`%s`::String", columnName, key.Name))
-				existExpr = append(existExpr, fmt.Sprintf("%s.`%s` IS NOT NULL", columnName, key.Name))
+				members := logSemconvMembers(key)
+				if len(members) > 1 {
+					values := make([]string, 0, len(members))
+					guards := make([]string, 0, len(members))
+					for _, member := range members {
+						values = append(values, fmt.Sprintf("NULLIF(%s.`%s`::String, '')", columnName, member))
+						guards = append(guards, fmt.Sprintf("%s.`%s` IS NOT NULL", columnName, member))
+					}
+					exprs = append(exprs, "COALESCE("+strings.Join(values, ", ")+")")
+					existExpr = append(existExpr, "("+strings.Join(guards, " OR ")+")")
+				} else {
+					exprs = append(exprs, fmt.Sprintf("%s.`%s`::String", columnName, members[0]))
+					existExpr = append(existExpr, fmt.Sprintf("%s.`%s` IS NOT NULL", columnName, members[0]))
+				}
 			case telemetrytypes.FieldContextBody:
 				if key.Name == messageSubField {
 					exprs = append(exprs, messageSubColumn)
@@ -181,13 +208,32 @@ func (m *fieldMapper) FieldFor(ctx context.Context, orgID valuer.UUID, tsStart,
 
 			switch valueType := column.Type.(schema.MapColumnType).ValueType; valueType.GetType() {
 			case schema.ColumnTypeEnumString, schema.ColumnTypeEnumBool, schema.ColumnTypeEnumFloat64:
-				// a key could have been materialized, if so return the materialized column name
-				if key.Materialized {
+				members := logSemconvMembers(key)
+				if key.Materialized && (len(members) == 1 || key.MaterializedSemconv) {
 					exprs = append(exprs, telemetrytypes.FieldKeyToMaterializedColumnName(key))
 					existExpr = append(existExpr, telemetrytypes.FieldKeyToMaterializedColumnNameForExists(key))
+				} else if len(members) > 1 {
+					guards := make([]string, 0, len(members))
+					for _, member := range members {
+						guards = append(guards, fmt.Sprintf("mapContains(%s, '%s')", columnName, member))
+					}
+					if valueType.GetType() == schema.ColumnTypeEnumString {
+						values := make([]string, 0, len(members))
+						for _, member := range members {
+							values = append(values, fmt.Sprintf("NULLIF(%s['%s'], '')", columnName, member))
+						}
+						exprs = append(exprs, "COALESCE("+strings.Join(values, ", ")+")")
+					} else {
+						branches := make([]string, 0, len(members)*2+1)
+						for i, member := range members {
+							branches = append(branches, guards[i], fmt.Sprintf("%s['%s']", columnName, member))
+						}
+						exprs = append(exprs, "multiIf("+strings.Join(branches, ", ")+", NULL)")
+					}
+					existExpr = append(existExpr, "("+strings.Join(guards, " OR ")+")")
 				} else {
-					exprs = append(exprs, fmt.Sprintf("%s['%s']", columnName, key.Name))
-					existExpr = append(existExpr, fmt.Sprintf("mapContains(%s, '%s')", columnName, key.Name))
+					exprs = append(exprs, fmt.Sprintf("%s['%s']", columnName, members[0]))
+					existExpr = append(existExpr, fmt.Sprintf("mapContains(%s, '%s')", columnName, members[0]))
 				}
 			default:
 				return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "exists operator is not supported for map column type %s", valueType)