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Support forceFlush OTel Logs in Lambda Instrumentation. #233

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Merged
merged 2 commits into from
Jul 29, 2025
Merged

Support forceFlush OTel Logs in Lambda Instrumentation. #233

merged 2 commits into from
Jul 29, 2025

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@jj22ee
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@jj22ee jj22ee commented Jul 26, 2025 •
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Issue #, if available:

Description of changes:
Force flush logs in aws lambda instrumentation. Changes are based on design to force flush spans: https://github.com/open-telemetry/opentelemetry-js-contrib/blob/instrumentation-aws-lambda-v0.54.0/packages/instrumentation-aws-lambda/src/instrumentation.ts#L309-L324

Testing:

Env Vars:

AWS_LAMBDA_EXEC_WRAPPER=/opt/otel-instrument
OTEL_EXPORTER_OTLP_LOGS_HEADERS=x-aws-metric-namespace=test_adot_namespace3,x-aws-log-stream=my-stream-not-work
OTEL_LOGS_EXPORTER=console
OTEL_NODE_ENABLED_INSTRUMENTATIONS=aws-sdk,aws-lambda,http,pino

Lambda Handler:

import { metrics } from "@opentelemetry/api";
import { logs } from "@opentelemetry/api-logs";
import pino from "pino";

const logger = pino(
  pino.destination({
    sync: true // Synchronous logging
  })
);

const meter = metrics.getMeter('dice-lib');

const histogram = meter.createHistogram('histogram.counter', {description: 'test_histogram_description', unit: 'ms', valueType: 0 });


export const handler = async (event) => {
  for (let i = 0; i < 5; i++) {
    let val = await getRandomNumber(0,5);
    // console.log(`/histogram endpoint ${val}`);
    logger.error(`/histogram endpoint ${val}`)
    histogram.record(val, {
      histogramKey1: 'histogramValue1',
      histogramKey2: 'histogramValue2'
    });
  }

  const response = {
    statusCode: 200,
    body: JSON.stringify('Hello from Lambda!'),
  };

  return response;
};
 
async function getRandomNumber(min, max) {
  return Math.floor(Math.random() * (max - min) + min);
}
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|   timestamp   |                                                                                                                                                                                                                                        message                                                                                                                                                                                                                                        |
|---------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 1753725988746 | INIT_START Runtime Version: nodejs:22.v48 Runtime Version ARN: arn:aws:lambda:us-west-1::runtime:3319d7328c2e45f97764ca1c004269cab40102f3f1c188ec9a509d8e9c5db574                                                                                                                                                                                                                                                                                                                     |
| 1753725989027 | (node:2) ExperimentalWarning: `--experimental-loader` may be removed in the future; instead use `register()`:                                                                                                                                                                                                                                                                                                                                                                         |
| 1753725989027 | --import 'data:text/javascript,import { register } from "node:module"; import { pathToFileURL } from "node:url"; register("import-in-the-middle/hook.mjs", pathToFileURL("./"));'                                                                                                                                                                                                                                                                                                     |
| 1753725989027 | (Use `node --trace-warnings ...` to show where the warning was created)                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725989803 | OTEL_TRACES_EXPORTER is empty. Using default otlp exporter.                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725989806 | AWS Application Signals enabled.                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| 1753725989808 | AWS Application Signals metrics export interval capped to 60000                                                                                                                                                                                                                                                                                                                                                                                                                       |
| 1753725989809 | Enabled batch unsampled span processor for Lambda environment.                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725989812 | OTEL_METRICS_EXPORTER contains "none". Metric provider will not be initialized.                                                                                                                                                                                                                                                                                                                                                                                                       |
| 1753725989813 | Setting TraceProvider for instrumentations at the end of initialization                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725989814 | AWS Distro of OpenTelemetry automatic instrumentation started successfully                                                                                                                                                                                                                                                                                                                                                                                                            |
| 1753725989815 | (node:2) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990219 | 2025-07-28T18:06:30.219Z undefined WARN Failed extracting version /var/task                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990227 | 2025-07-28T18:06:30.227Z undefined WARN AWS Lambda plans to remove support for callback-based function handlers starting with Node.js 24. You will need to update this function to use an async handler to use Node.js 24 or later. For more information and to provide feedback on this change, see https://github.com/aws/aws-lambda-nodejs-runtime-interface-client/issues/137. To disable this warning, set the AWS_LAMBDA_NODEJS_DISABLE_CALLBACK_WARNING environment variable.  |
| 1753725990239 | START RequestId: c421f663-0e83-4ec1-8c09-56f40ed74ea1 Version: $LATEST                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990342 | {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990342 | resource: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990342 | attributes: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| 1753725990342 | 'service.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990342 | 'telemetry.sdk.language': 'nodejs',                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990342 | 'telemetry.sdk.name': 'opentelemetry',                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990342 | 'telemetry.sdk.version': '1.30.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990342 | 'telemetry.auto.version': '0.6.0-dev0-aws',                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990342 | 'cloud.region': 'us-west-1',                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990342 | 'cloud.provider': 'aws',                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990342 | 'faas.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990342 | 'faas.version': '$LATEST',                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| 1753725990342 | 'faas.instance': '2025/07/28/[$LATEST]c8c585140d9b4cf4aef5c50de3c0328a',                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990342 | 'aws.log.group.names': '/aws/lambda/adot-lambda-logs-emf-support-testing'                                                                                                                                                                                                                                                                                                                                                                                                             |
| 1753725990342 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990342 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990342 | instrumentationScope: {                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990342 | name: '@opentelemetry/instrumentation-pino',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990342 | version: '0.46.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990342 | schemaUrl: undefined                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990342 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990342 | timestamp: 1753725990304000,                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990342 | traceId: '6887bc2469a702443d9e988c3411ef70',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990342 | spanId: 'bf082bff655a2682',                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990342 | traceFlags: 1,                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990342 | severityText: 'error',                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990342 | severityNumber: 17,                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990342 | body: '/histogram endpoint 0',                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990342 | attributes: {}                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990342 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990343 | {"level":50,"time":1753725990304,"pid":2,"hostname":"169.254.14.25","trace_id":"6887bc2469a702443d9e988c3411ef70","span_id":"bf082bff655a2682","trace_flags":"01","msg":"/histogram endpoint 0"}                                                                                                                                                                                                                                                                                      |
| 1753725990344 | {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990344 | resource: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990344 | attributes: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| 1753725990344 | 'service.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990344 | 'telemetry.sdk.language': 'nodejs',                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990344 | 'telemetry.sdk.name': 'opentelemetry',                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990344 | 'telemetry.sdk.version': '1.30.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990344 | 'telemetry.auto.version': '0.6.0-dev0-aws',                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990344 | 'cloud.region': 'us-west-1',                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990344 | 'cloud.provider': 'aws',                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990344 | 'faas.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990344 | 'faas.version': '$LATEST',                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| 1753725990344 | 'faas.instance': '2025/07/28/[$LATEST]c8c585140d9b4cf4aef5c50de3c0328a',                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990344 | 'aws.log.group.names': '/aws/lambda/adot-lambda-logs-emf-support-testing'                                                                                                                                                                                                                                                                                                                                                                                                             |
| 1753725990344 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990344 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990344 | instrumentationScope: {                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990344 | name: '@opentelemetry/instrumentation-pino',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990344 | version: '0.46.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990344 | schemaUrl: undefined                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990344 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990344 | timestamp: 1753725990343000,                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990344 | traceId: '6887bc2469a702443d9e988c3411ef70',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990344 | spanId: 'bf082bff655a2682',                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990344 | traceFlags: 1,                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990344 | severityText: 'error',                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990344 | severityNumber: 17,                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990344 | body: '/histogram endpoint 4',                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990344 | attributes: {}                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990344 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990344 | {"level":50,"time":1753725990343,"pid":2,"hostname":"169.254.14.25","trace_id":"6887bc2469a702443d9e988c3411ef70","span_id":"bf082bff655a2682","trace_flags":"01","msg":"/histogram endpoint 4"}                                                                                                                                                                                                                                                                                      |
| 1753725990344 | {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990344 | resource: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990344 | attributes: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| 1753725990344 | 'service.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990344 | 'telemetry.sdk.language': 'nodejs',                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990344 | 'telemetry.sdk.name': 'opentelemetry',                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990344 | 'telemetry.sdk.version': '1.30.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990344 | 'telemetry.auto.version': '0.6.0-dev0-aws',                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990344 | 'cloud.region': 'us-west-1',                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990344 | 'cloud.provider': 'aws',                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990344 | 'faas.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990344 | 'faas.version': '$LATEST',                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| 1753725990344 | 'faas.instance': '2025/07/28/[$LATEST]c8c585140d9b4cf4aef5c50de3c0328a',                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990344 | 'aws.log.group.names': '/aws/lambda/adot-lambda-logs-emf-support-testing'                                                                                                                                                                                                                                                                                                                                                                                                             |
| 1753725990344 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990344 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990344 | instrumentationScope: {                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990344 | name: '@opentelemetry/instrumentation-pino',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990344 | version: '0.46.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990344 | schemaUrl: undefined                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990344 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990344 | timestamp: 1753725990344000,                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990344 | traceId: '6887bc2469a702443d9e988c3411ef70',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990344 | spanId: 'bf082bff655a2682',                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990344 | traceFlags: 1,                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990344 | severityText: 'error',                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990344 | severityNumber: 17,                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990344 | body: '/histogram endpoint 3',                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990344 | attributes: {}                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990344 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990344 | {"level":50,"time":1753725990344,"pid":2,"hostname":"169.254.14.25","trace_id":"6887bc2469a702443d9e988c3411ef70","span_id":"bf082bff655a2682","trace_flags":"01","msg":"/histogram endpoint 3"}                                                                                                                                                                                                                                                                                      |
| 1753725990345 | {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990345 | resource: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990345 | attributes: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| 1753725990345 | 'service.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990345 | 'telemetry.sdk.language': 'nodejs',                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990345 | 'telemetry.sdk.name': 'opentelemetry',                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990345 | 'telemetry.sdk.version': '1.30.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990345 | 'telemetry.auto.version': '0.6.0-dev0-aws',                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990345 | 'cloud.region': 'us-west-1',                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990345 | 'cloud.provider': 'aws',                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990345 | 'faas.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990345 | 'faas.version': '$LATEST',                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| 1753725990345 | 'faas.instance': '2025/07/28/[$LATEST]c8c585140d9b4cf4aef5c50de3c0328a',                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990345 | 'aws.log.group.names': '/aws/lambda/adot-lambda-logs-emf-support-testing'                                                                                                                                                                                                                                                                                                                                                                                                             |
| 1753725990345 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990345 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990345 | instrumentationScope: {                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990345 | name: '@opentelemetry/instrumentation-pino',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990345 | version: '0.46.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990345 | schemaUrl: undefined                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990345 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990345 | timestamp: 1753725990344000,                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990345 | traceId: '6887bc2469a702443d9e988c3411ef70',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990345 | spanId: 'bf082bff655a2682',                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990345 | traceFlags: 1,                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990345 | severityText: 'error',                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990345 | severityNumber: 17,                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990345 | body: '/histogram endpoint 0',                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990345 | attributes: {}                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990345 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990345 | {"level":50,"time":1753725990344,"pid":2,"hostname":"169.254.14.25","trace_id":"6887bc2469a702443d9e988c3411ef70","span_id":"bf082bff655a2682","trace_flags":"01","msg":"/histogram endpoint 0"}                                                                                                                                                                                                                                                                                      |
| 1753725990345 | {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990345 | resource: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990345 | attributes: {                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| 1753725990345 | 'service.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990345 | 'telemetry.sdk.language': 'nodejs',                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990345 | 'telemetry.sdk.name': 'opentelemetry',                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990345 | 'telemetry.sdk.version': '1.30.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990345 | 'telemetry.auto.version': '0.6.0-dev0-aws',                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990345 | 'cloud.region': 'us-west-1',                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990345 | 'cloud.provider': 'aws',                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990345 | 'faas.name': 'adot-lambda-logs-emf-support-testing',                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990345 | 'faas.version': '$LATEST',                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| 1753725990345 | 'faas.instance': '2025/07/28/[$LATEST]c8c585140d9b4cf4aef5c50de3c0328a',                                                                                                                                                                                                                                                                                                                                                                                                              |
| 1753725990345 | 'aws.log.group.names': '/aws/lambda/adot-lambda-logs-emf-support-testing'                                                                                                                                                                                                                                                                                                                                                                                                             |
| 1753725990345 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990345 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990345 | instrumentationScope: {                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 1753725990345 | name: '@opentelemetry/instrumentation-pino',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990345 | version: '0.46.1',                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990345 | schemaUrl: undefined                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 1753725990345 | },                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 1753725990345 | timestamp: 1753725990345000,                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990345 | traceId: '6887bc2469a702443d9e988c3411ef70',                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 1753725990345 | spanId: 'bf082bff655a2682',                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 1753725990345 | traceFlags: 1,                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990345 | severityText: 'error',                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| 1753725990345 | severityNumber: 17,                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990345 | body: '/histogram endpoint 0',                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990345 | attributes: {}                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 1753725990345 | }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 1753725990345 | {"level":50,"time":1753725990345,"pid":2,"hostname":"169.254.14.25","trace_id":"6887bc2469a702443d9e988c3411ef70","span_id":"bf082bff655a2682","trace_flags":"01","msg":"/histogram endpoint 0"}                                                                                                                                                                                                                                                                                      |
| 1753725990606 | END RequestId: c421f663-0e83-4ec1-8c09-56f40ed74ea1                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 1753725990606 | REPORT RequestId: c421f663-0e83-4ec1-8c09-56f40ed74ea1 Duration: 363.49 ms Billed Duration: 364 ms Memory Size: 128 MB Max Memory Used: 124 MB Init Duration: 1488.71 ms  XRAY TraceId: 1-6887bc24-69a702443d9e988c3411ef70 SegmentId: 58c91264a2cb124e Sampled: true                                                                                                                                                                                                                 |
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@jj22ee jj22ee requested a review from a team as a code owner July 26, 2025 02:28
wangzlei
wangzlei previously approved these changes Jul 28, 2025
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@jj22ee jj22ee merged commit 7151d66 into aws-observability:main Jul 29, 2025
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