Relax locking in ThreadPerDriverTaskExecutor when removing tasks #26602
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Before the fix, ThreadPerDriverTaskExecutor.removeTask performed task destruction under a global lock which may lead to an unnecessary contention with HTTP threads attempting to add new tasks.
wendigo
approved these changes
Sep 10, 2025
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Description
Before the fix,
ThreadPerDriverTaskExecutor.removeTaskperformed task destruction under a global lock which may lead to an unnecessary contention with HTTP threads attempting to add new tasks potentially leading to a cluster-wide instability.After the fix, the task destructor logic is executed outside the lock.
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