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Reduce task concurrency #16656

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Nov 17, 2023
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Reduce task concurrency #16656

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34866a0
Reduce task concurrency
erikjohnston Nov 17, 2023
ebc0514
Newsfilke
erikjohnston Nov 17, 2023
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1 change: 1 addition & 0 deletions changelog.d/16656.misc
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@@ -0,0 +1 @@
Reduce max concurrency of background tasks, reducing potential max DB load.
2 changes: 1 addition & 1 deletion synapse/handlers/device.py
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Expand Up @@ -383,7 +383,7 @@ async def handle_room_un_partial_stated(self, room_id: str) -> None:
)

DEVICE_MSGS_DELETE_BATCH_LIMIT = 1000
DEVICE_MSGS_DELETE_SLEEP_MS = 1000
DEVICE_MSGS_DELETE_SLEEP_MS = 100

async def _delete_device_messages(
self,
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2 changes: 1 addition & 1 deletion synapse/util/task_scheduler.py
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Expand Up @@ -71,7 +71,7 @@ class TaskScheduler:
# Time before a complete or failed task is deleted from the DB
KEEP_TASKS_FOR_MS = 7 * 24 * 60 * 60 * 1000 # 1 week
# Maximum number of tasks that can run at the same time
MAX_CONCURRENT_RUNNING_TASKS = 10
MAX_CONCURRENT_RUNNING_TASKS = 5
# Time from the last task update after which we will log a warning
LAST_UPDATE_BEFORE_WARNING_MS = 24 * 60 * 60 * 1000 # 24hrs

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