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fix(scheduler): cron jobs run single-runner via a Postgres advisory lock - #678
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Plain @Cron fired on EVERY replica — with N replicas the bounty-expiry and idempotency-cleanup sweeps ran N times an hour, racing the same rows. Wrap each in pg_try_advisory_lock so only the lock-holding replica sweeps. Resolves MergeFi#586
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What
Plain
@Cronfired on EVERY replica — with N replicas the bounty-expiry + idempotency-cleanup sweeps ran N times an hour, racing the same rows.Fix
Wrap each in
pg_try_advisory_lock— only the lock-holding replica sweeps; the others return immediately.Resolves #586