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BullMQ

The fastest, most reliable Redis-based distributed queue for Node.js. Carefully written for rock solid stability and atomicity.

Get StartedView on GitHub

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Why BullMQ?

BullMQ is a Node.js library that implements a fast and robust queue system built on top of Redis. It helps resolve many modern microservices architecture challenges with exactly-once queue semantics, horizontal scalability, and high performance.

Lightning Fast

Optimized Redis scripts and pipelining deliver maximum throughput with minimal CPU usage

Rock Solid Reliability

Exactly-once delivery semantics with automatic recovery from process crashes

Horizontally Scalable

Add more workers to process jobs in parallel across multiple servers

Multi-Language

Native support for Node.js, Python, Elixir, and PHP implementations

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Key Features

Job Scheduling

Schedule jobs for future execution or set up repeatable jobs with cron patterns

Flow Control

Create complex job dependencies with parent-child relationships

Rate Limiting

Control job processing rates to prevent overwhelming downstream services

Job Priorities

Process important jobs first with flexible priority levels

Retries & Backoff

Automatic retry logic with exponential backoff strategies

Metrics & Telemetry

Built-in metrics and OpenTelemetry support for monitoring

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Quick Example

Get started with BullMQ in just a few lines of code: 
import { Queue } from 'bullmq';

const queue = new Queue('image-processing');

// Add a job to the queue
await queue.add('resize', {
  imagePath: '/path/to/image.jpg',
  width: 800,
  height: 600
});

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Trusted by Leading Companies

BullMQ is used by organizations around the world, including Microsoft, Vendure, Datawrapper, NestJS, Langfuse, and many more.

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Get Started

Quick Start

Get up and running with BullMQ in under 5 minutes

Core Concepts

Learn about queues, workers, jobs, and events

API Reference

Explore the complete API documentation

Patterns & Best Practices

Learn proven patterns for production use

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