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Chris LuandClaude Opus 5.5
c971252871
* admin: make the cluster lock's fairness window configurable Scheduled jobs hold the cluster admin lock for their whole run. Once the lock had been held for a minute, every new job waited until all running jobs had released it, so with hour-long EC jobs dispatch ran in waves and most workers sat idle between them. -adminLock.fairnessWindow keeps the one-minute default; 0 lets new jobs join the shared hold, and shell clients get the lock when the scheduler next drains. Claude-Session: https://claude.ai/code/session_011UpvafcfUuC2mLxNAXLQJi * admin: wait for the blocked acquire before disabling the fairness window The wake-up test slept 50 ms before SetFairnessWindow(0), so a late acquire that started after the change joined without exercising the Broadcast. Wait until it is registered as a waiter instead. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>