felixmosh / bullmq

BullMQ - Message Queue and Batch processing for NodeJS and Python based on Redis

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

Read the documentation

Follow @manast for *important* Bull/BullMQ/BullMQ-Pro news and updates!

🛠 Tutorials

You can find tutorials and news in this blog: https://blog.taskforce.sh/

Official FrontEnd

Supercharge your queues with a professional front end:

• Get a complete overview of all your queues.
• Inspect jobs, search, retry, or promote delayed jobs.
• Metrics and statistics.
• and many more features.

Sign up at Taskforce.sh

Used by

Some notable organizations using BullMQ:

The gist

Install:

$ yarn add bullmq

Add jobs to the queue:

import { Queue } from 'bullmq';

const queue = new Queue('Paint');

queue.add('cars', { color: 'blue' });

Process the jobs in your workers:

import { Worker } from 'bullmq';

const worker = new Worker('Paint', async job => {
  if (job.name === 'cars') {
    await paintCar(job.data.color);
  }
});

Listen to jobs for completion:

import { QueueEvents } from 'bullmq';

const queueEvents = new QueueEvents('Paint');

queueEvents.on('completed', ({ jobId }) => {
  console.log('done painting');
});

queueEvents.on(
  'failed',
  ({ jobId, failedReason }: { jobId: string; failedReason: string }) => {
    console.error('error painting', failedReason);
  },
);

This is just scratching the surface, check all the features and more in the official documentation

Feature Comparison

Since there are a few job queue solutions, here is a table comparing them:

Feature	BullMQ-Pro	BullMQ	Bull	Kue	Bee	Agenda
Backend	redis	redis	redis	redis	redis	mongo
Observables	✓
Group Rate Limit	✓
Group Support	✓
Batches Support	✓
Parent/Child Dependencies	✓	✓
Priorities	✓	✓	✓	✓		✓
Concurrency	✓	✓	✓	✓	✓	✓
Delayed jobs	✓	✓	✓	✓		✓
Global events	✓	✓	✓	✓
Rate Limiter	✓	✓	✓
Pause/Resume	✓	✓	✓	✓
Sandboxed worker	✓	✓	✓
Repeatable jobs	✓	✓	✓			✓
Atomic ops	✓	✓	✓		✓
Persistence	✓	✓	✓	✓	✓	✓
UI	✓	✓	✓	✓		✓
Optimized for	Jobs / Messages	Jobs / Messages	Jobs / Messages	Jobs	Messages	Jobs

🚀 Sponsor 🚀

If you need high quality production Redis instances for your BullMQ project, please consider subscribing to Memetria for Redis, leaders in Redis hosting that works perfectly with BullMQ. Use the promo code "BULLMQ" when signing up to help us sponsor the development of BullMQ!

Contributing

Fork the repo, make some changes, submit a pull-request! Here is the contributing doc that has more details.

Thanks

Thanks for all the contributors that made this library possible, also a special mention to Leon van Kammen that kindly donated his npm bullmq repo.