How can I set task priorities in Celery?

How can I set task priorities in Celery?

You can set task priorities in Celery by using the priority argument when calling the task. For example, my_task.apply_async(args=[...], priority=5).

What are the priority levels I can use?

Priority levels in Celery are typically integers, where lower numbers indicate higher priority. You can use values from 0 to 255.

Can I change the priority of a task after it's been queued?

No, once a task is queued in Celery, its priority cannot be changed. You would need to cancel the task and re-queue it with the new priority.

Are there any best practices for using task priorities?

Yes, it's best to use priorities sparingly and only for tasks that truly need them. Overusing priorities can lead to complexity and performance issues.