Celery: does the worker stop at maximum capacity?

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I set concurrency to 10 on a small server.

I submitted 20 jobs on it, I expected 10 to run, but it never went beyond 5 concurrency.

Why is this happening and is Celery automatically limiting itself based on the memory and cpu?

I add that its a small server 512mb ram running video transcoding operation (ffmpeg)

asked 1 min ago

user299709

95

Celery: does the worker stop at maximum capacity?