feat: set BEAT_CRON_STARTING_DEADLINE #8876
Merged
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This configures beat to look back at most 30 minutes (1800 seconds) when deciding if a PeriodicTask scheduled via a crontab schedule is due. The value was chosen to be long enough that tasks missed by a moderately problematic production deployment will still run, but that we won't be surprised by a task running at entirely the wrong time.
This will not impact newly created tasks, only ones that have a "last run" time that's too long ago.
https://docs.celeryq.dev/en/main/userguide/configuration.html#beat-cron-starting-deadline