Overview

Celery 5.4, released on April 18, 2024, adds Redis Sentinel support for high availability.

Main Features

Redis Sentinel

The Redis broker now supports Sentinel for automatic failover when the master goes down.

python 
from celery import Celery

app = Celery('tasks')
app.config_from_object({
    'broker_url': 'sentinel://sentinel1:26379;sentinel://sentinel2:26379',
    'broker_transport_options': {
        'master_name': 'mymaster',
    },
})

@app.task
def add(x, y):
    return x + y

Sources