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@opentelemetry/instrumentation-ioredis

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@opentelemetry/instrumentation-ioredis

OpenTelemetry instrumentation for `ioredis` database redis client for Redis

  • 0.44.0
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What is @opentelemetry/instrumentation-ioredis?

@opentelemetry/instrumentation-ioredis is an npm package that provides automatic tracing and monitoring for applications using the ioredis library. It integrates with OpenTelemetry to collect and report metrics and traces for Redis operations, helping developers gain insights into the performance and behavior of their Redis interactions.

What are @opentelemetry/instrumentation-ioredis's main functionalities?

Automatic Tracing

This feature allows you to automatically trace Redis operations using the ioredis library. The code sample demonstrates how to set up the OpenTelemetry NodeTracerProvider and register the IORedisInstrumentation to start collecting traces for Redis commands.

const { NodeTracerProvider } = require('@opentelemetry/node');
const { registerInstrumentations } = require('@opentelemetry/instrumentation');
const { IORedisInstrumentation } = require('@opentelemetry/instrumentation-ioredis');

const provider = new NodeTracerProvider();
provider.register();

registerInstrumentations({
  instrumentations: [
    new IORedisInstrumentation(),
  ],
});

const Redis = require('ioredis');
const redis = new Redis();

redis.set('key', 'value');
redis.get('key', (err, result) => {
  console.log(result);
});

Custom Attributes

This feature allows you to add custom attributes to the spans created for Redis operations. The code sample shows how to use the responseHook option to add the Redis response as an attribute to the span.

const { IORedisInstrumentation } = require('@opentelemetry/instrumentation-ioredis');

const instrumentation = new IORedisInstrumentation({
  responseHook: (span, cmdName, args, response) => {
    span.setAttribute('redis.response', response);
  },
});

const { NodeTracerProvider } = require('@opentelemetry/node');
const { registerInstrumentations } = require('@opentelemetry/instrumentation');

const provider = new NodeTracerProvider();
provider.register();

registerInstrumentations({
  instrumentations: [instrumentation],
});

const Redis = require('ioredis');
const redis = new Redis();

redis.set('key', 'value');
redis.get('key', (err, result) => {
  console.log(result);
});

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Package last updated on 25 Oct 2024

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