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https://github.com/taskforcesh/bullmq

BullMQ - Message Queue and Batch processing for NodeJS and Python based on Redis
https://github.com/taskforcesh/bullmq

background-jobs nodejs python queue redis typescript

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

Awesome Lists containing this project

README

        










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/

# News 🚀

## 🌐 Language agnostic BullMQ

Do you need to work with BullMQ on platforms other than Node.js? If so, check out the [BullMQ Proxy](https://github.com/taskforcesh/bullmq-proxy)

## 🌟 Rediscover Scale Conference 2024

Discover the latest in in-memory and real-time data technologies at **Rediscover Scale 2024**. Ideal for engineers, architects, and technical leaders looking to push technological boundaries. Connect with experts and advance your skills at The Foundry SF, San Francisco.

[Learn more and register here!](https://www.rediscoverscale.com/)

# Official FrontEnd

[Taskforce.sh, Inc](https://taskforce.sh)

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](https://taskforce.sh)

# 🚀 Sponsors 🚀




Dragonfly



Dragonfly is a new Redis™ drop-in replacement that is fully compatible with BullMQ and brings some important advantages over Redis™ such as massive
better performance by utilizing all CPU cores available and faster and more memory efficient data structures. Read more here on how to use it with BullMQ.

# Used by

Some notable organizations using BullMQ:




Microsoft




Vendure




Datawrapper




Nest






Curri




Novu





NoCodeDB







Infisical



# The gist

Install:

```
$ yarn add bullmq
```

Add jobs to the queue:

```ts
import { Queue } from 'bullmq';

const queue = new Queue('Paint');

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

Process the jobs in your workers:

```ts
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:

```ts
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](https://bullmq.io/#bullmq-pro) | [BullMQ](https://bullmq.io) | Bull | Kue | Bee | Agenda |
| :------------------------ | :-------------: | :-------------: | :-------------: | :---: | -------- | ------ |
| Backend | redis | redis | redis | redis | redis | mongo |
| Observables | ✓ | | | | | |
| Group Rate Limit | ✓ | | | | | |
| Group Support | ✓ | | | | | |
| Batches Support | ✓ | | | | | |
| Parent/Child Dependencies | ✓ | ✓ | | | | |
| Debouncing | ✓ | ✓ | ✓ | | | |
| 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 |

## Contributing

Fork the repo, make some changes, submit a pull-request! Here is the [contributing](contributing.md) 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.