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Utilizing the Queue

Sentry comes with a built-in queue to process tasks in a more asynchronous fashion. For example, with workers enabled, when an event comes in instead of writing it to the database immediately, it sends a job to the queue so that the request can be returned right away, and the background workers handle actually saving that data.

Note

As of version 3.3.0 the queue is now powered by Celery.

Running a Worker

Workers can be run by using the Sentry CLI. Specifically, you call out to celeryd, which the worker manager process of the Celery library.

sentry celeryd

Enable the Queue

Once you've brought up a worker, the next step is to enable the queue. This is done with a simple settings flag:

SENTRY_USE_QUEUE = True

It's also highly recommended that you switch away from the default queue settings, which rely on the database, and move to something more efficient. These are documented in more details as part of the Celery documentation, but something simple like Redis will do just fine.

An example configuration using a local Redis server might look like this:

CELERY_IGNORE_RESULT = True
CELERY_SEND_EVENTS = False
CELERY_RESULT_BACKEND = 'redis'

BROKER_URL = "redis://localhost:6379/0"
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