Semih Yesilyurt
1e3953417e
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The worker's own upstream fetches called touchActivity(), setting the prefetch:activity:<source> cooldown key (TTL 300s) that checkCooldown then honoured — so after each fetch the worker paused itself for up to ~5 minutes (re-checking every 60s, ~5 empty cycles per key). At ~1 fetch / 5 min the 3387-job backlog needed ~6 days to drain. - Wrap each worker job in an AsyncLocalStorage backfill context; touchActivity skips the cooldown key when invoked from the worker, so the cooldown reflects only real user requests (worker yields to users, never to itself). - Cooldown TTL 300s -> 90s (a request 5 min ago isn't "active"). - checkCooldown pauses for the key's actual remaining TTL (one wait) instead of a fixed 60s re-check loop. No extra upstream load — only removes the worker's self-imposed idle time. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>