refactor(telemetrystore): drop app-side bulk-filtering override

Stop managing secondary_indices_enable_bulk_filtering from the app.
The ClickHouse#82283 workaround is fixed in 25.7+ (prod runs 25.12);
the setting is controlled server-side via ClickHouse profiles.

Assisted-by: Claude Opus 4.8

conf/example.yaml

@@ -202,7 +202,6 @@ telemetrystore:
       max_bytes_to_read: 0
       max_result_rows: 0
       ignore_data_skipping_indices: ""
-      secondary_indices_enable_bulk_filtering: false
 
 ##################### Prometheus #####################
 prometheus:

frontend/src/container/OnboardingQuestionaire/AboutSigNozQuestions/AboutSigNozQuestions.tsx

@@ -131,7 +131,7 @@ export function AboutSigNozQuestions({
 
 						<AntdInput.TextArea
 							className="discover-signoz-input"
-							placeholder={`e.g., googling "datadog alternative", a post on r/devops, from a friend/colleague, a LinkedIn post, ChatGPT, etc.`}
+							placeholder="e.g., I asked ChatGPT for Datadog alternatives, searched Google for “OpenTelemetry tools,” saw a Reddit or LinkedIn post, or heard about it from a colleague."
 							value={discoverSignoz}
 							autoFocus
 							rows={4}

frontend/src/container/OnboardingQuestionaire/__tests__/OnboardingQuestionaire.test.tsx

@@ -204,10 +204,12 @@ describe('OnboardingQuestionaire Component', () => {
 			await user.click(screen.getByRole('button', { name: /next/i }));
 
 			await expect(
-				screen.findByPlaceholderText(/e\.g\., googling/i, {}),
+				screen.findByPlaceholderText(/e\.g\., I asked ChatGPT/i, {}),
 			).resolves.toBeInTheDocument();
 
-			const discoverInput = screen.getByPlaceholderText(/e\.g\., googling/i);
+			const discoverInput = screen.getByPlaceholderText(
+				/e\.g\., I asked ChatGPT/i,
+			);
 			await user.type(discoverInput, 'Found via Google search');
 
 			const interestCheckbox = screen.getByLabelText(
@@ -256,11 +258,11 @@ describe('OnboardingQuestionaire Component', () => {
 			await user.click(screen.getByRole('button', { name: /next/i }));
 
 			await expect(
-				screen.findByPlaceholderText(/e\.g\., googling/i, {}),
+				screen.findByPlaceholderText(/e\.g\., I asked ChatGPT/i, {}),
 			).resolves.toBeInTheDocument();
 
 			await user.type(
-				screen.getByPlaceholderText(/e\.g\., googling/i),
+				screen.getByPlaceholderText(/e\.g\., I asked ChatGPT/i),
 				'Found via Google',
 			);
 			await user.click(screen.getByLabelText(/lowering observability costs/i));
@@ -297,7 +299,7 @@ describe('OnboardingQuestionaire Component', () => {
 			await user.click(screen.getByRole('button', { name: /next/i }));
 
 			await user.type(
-				await screen.findByPlaceholderText(/e\.g\., googling/i),
+				await screen.findByPlaceholderText(/e\.g\., I asked ChatGPT/i),
 				'Found via Google',
 			);
 			await user.click(screen.getByLabelText(/lowering observability costs/i));
@@ -329,11 +331,11 @@ describe('OnboardingQuestionaire Component', () => {
 			await user.click(screen.getByRole('button', { name: /next/i }));
 
 			await expect(
-				screen.findByPlaceholderText(/e\.g\., googling/i, {}),
+				screen.findByPlaceholderText(/e\.g\., I asked ChatGPT/i, {}),
 			).resolves.toBeInTheDocument();
 
 			await user.type(
-				screen.getByPlaceholderText(/e\.g\., googling/i),
+				screen.getByPlaceholderText(/e\.g\., I asked ChatGPT/i),
 				'Found via Google',
 			);
 			await user.click(screen.getByLabelText(/lowering observability costs/i));

pkg/telemetrystore/config.go

@@ -46,7 +46,6 @@ type QuerySettings struct {
 	MaxBytesToRead                      int    `mapstructure:"max_bytes_to_read"`
 	MaxResultRows                       int    `mapstructure:"max_result_rows"`
 	IgnoreDataSkippingIndices           string `mapstructure:"ignore_data_skipping_indices"`
-	SecondaryIndicesEnableBulkFiltering bool   `mapstructure:"secondary_indices_enable_bulk_filtering"`
 }
 
 func NewConfigFactory() factory.ConfigFactory {

pkg/telemetrystore/telemetrystorehook/settings.go

@@ -72,10 +72,6 @@ func (h *provider) BeforeQuery(ctx context.Context, _ *telemetrystore.QueryEvent
 		settings["result_overflow_mode"] = ctx.Value("result_overflow_mode")
 	}
 
-	// TODO(srikanthccv): enable it when the "Cannot read all data" issue is fixed
-	// https://github.com/ClickHouse/ClickHouse/issues/82283
-	settings["secondary_indices_enable_bulk_filtering"] = false
-
 	ctx = clickhouse.Context(ctx, clickhouse.WithSettings(settings))
 	return ctx
 }