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Speed up how quickly we launch new tasks #16660

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Nov 17, 2023
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Speed up how quickly we launch new tasks #16660

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Speed up how quickly we launch new tasks
erikjohnston Nov 17, 2023
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erikjohnston Nov 17, 2023
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1 change: 1 addition & 0 deletions changelog.d/16660.misc
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Reduce max concurrency of background tasks, reducing potential max DB load.
2 changes: 1 addition & 1 deletion synapse/util/task_scheduler.py
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Expand Up @@ -377,7 +377,7 @@ async def wrapper() -> None:
self._running_tasks.remove(task.id)

# Try launch a new task since we've finished with this one.
self._clock.call_later(1, self._launch_scheduled_tasks)
self._clock.call_later(0.1, self._launch_scheduled_tasks)

if len(self._running_tasks) >= TaskScheduler.MAX_CONCURRENT_RUNNING_TASKS:
return
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