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Is it possible to use the same redis database for multiple projects using celery? Like using the same database for multiple projects as a cache using a key prefix. Or do i have to use a seperate database for every installation?
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Save this answer. Show activity on this post. celery beats only trigger those 1000 tasks (by the crontab schedule), not run them. If you want to run 1000 tasks in parallel, you should have enough celery workers available to run those tasks.
Redis is the datastore and message broker between Celery and Django. In other words, Django and Celery use Redis to communicate with each other (instead of a SQL database). Redis can also be used as a cache as well. An alternative for Django & Celery is RabbitMQ (not covered here).
Celery belongs to "Message Queue" category of the tech stack, while Redis can be primarily classified under "In-Memory Databases". "Task queue" is the primary reason why developers consider Celery over the competitors, whereas "Performance" was stated as the key factor in picking Redis.
To summarise from this helpful blog post: http://kfalck.net/2013/02/21/run-multiple-celeries-on-a-single-redis
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