How to restart Celery gracefully without delaying tasks

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  • celery

    Distributed Task Queue (development branch)

    Sending SIGHUP to the main process: this caused Celery to attempt to "restart," by doing a warm shutdown and then relaunching itself. Not only does this take a long time, it doesn't even work, because apparently the new process launches before the old one dies, so the new one complains ERROR: Pidfile (/var/run/celeryd.pid) already exists. Seems we're already running? (PID: 13214) and dies immediately. (This looks like a bug in Celery itself; I've let them know about it.)

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    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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