Send and verify events with Amazon Bedrock model telemetry
Use Amazon Bedrock model telemetry where your app knows the final result. Collect only the fields you need, then verify a test event before building charts.
- 1
Choose the outcome
Bedrock model cost attribution
- 2
Define the contract
provider, model_id, inference_profile, region, feature, and status
- 3
Log the final result
Record the actual model or inference profile identifier because routing and price can differ.
- 4
Check the stored event
Exercise a known fixture, then inspect llm_request_completed for one correctly typed terminal row.
Before you start
Before you start
- AWS credentials with the minimum Bedrock model permission
- A server-side TELEMETRY_API_KEY
- Approved model, region, feature, and prompt-version dimensions
Delivery setup
Install and initialize server-side
Import telemetry-sh in server-only code and initialize it once with process.env.TELEMETRY_API_KEY. Keep ingestion credentials out of browser bundles, client-visible environment variables, source control, logs, and exception messages.
npm installation
npm install telemetry-sh- 1Create one reusable server-side client. Set its timeout and retry limit.
- 2Log an event when the operation succeeds, fails, retries, or times out.
- 3Send test events with known results and inspect the stored rows before enabling an alert.
Snippet
Start with one structured event
Add this shape where the workflow completes, fails, or retries. Then build the dashboard from real fields.
Amazon Bedrock model telemetry event
import {
BedrockRuntimeClient,
ConverseCommand,
} from "@aws-sdk/client-bedrock-runtime";
import telemetry from "telemetry-sh";
const bedrock = new BedrockRuntimeClient({ region: process.env.AWS_REGION });
const startedAt = performance.now();
const modelId = process.env.BEDROCK_MODEL_ID;
try {
const response = await bedrock.send(new ConverseCommand({
modelId,
messages,
}));
await telemetry.log("llm_request_completed", {
provider: "aws_bedrock",
model: modelId,
region: process.env.AWS_REGION,
feature: "research_assistant",
status: "success",
latency_ms: Math.round(performance.now() - startedAt),
input_tokens: response.usage?.inputTokens,
output_tokens: response.usage?.outputTokens,
total_tokens: response.usage?.totalTokens,
finish_reason: response.stopReason,
});
return response;
} catch (error) {
await telemetry.log("llm_request_completed", {
provider: "aws_bedrock",
model: modelId,
region: process.env.AWS_REGION,
feature: "research_assistant",
status: "failed",
latency_ms: Math.round(performance.now() - startedAt),
error_type: classifyProviderError(error),
});
throw error;
}Event schema
provider, model_id, inference_profile, region, feature, and status
input_tokens, output_tokens, latency_ms, stop_reason, and estimated_cost_usd
attempt, tool_count, error_type, and reviewed business outcome
Check your setup
Checkpoint 1
Record the actual model or inference profile identifier because routing and price can differ.
Checkpoint 2
Use Bedrock response usage rather than estimating tokens from text length.
Checkpoint 3
Keep message content, tool arguments, credentials, and raw model responses outside general telemetry.
Verification
Prove the event arrived
Run this after exercising known success and failure cases. Replace the fallback table name if your final event contract differs from the snippet.
Amazon Bedrock model telemetry verification query
SELECT *
FROM llm_request_completed
ORDER BY timestamp_utc DESC
LIMIT 20;Implementation references
Review the event contract, data-safety guidance, and upstream primary documentation before enabling a new production path.
Where to log
Keep the outcome event small and recoverable
This pattern provides
- Record the outcome as an event you can query with SQL.
- Stable fields for dashboards, alerts, and cross-event correlation.
- Test events for checking success, failure, retries, and timeouts.
This pattern does not provide
- An OTLP exporter, automatic collection pipeline, or replacement for detailed traces and diagnostic logs.
- Exactly-once delivery merely because the payload contains an event ID.
- Permission to collect raw provider payloads, user content, credentials, or regulated data.
Example event schemas
Event schemas for this workflow
Check what each event records, when to send it, and which field types it needs. Review the example payload and privacy checklist before using it in production.
Use these queries in Telemetry
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