mirror of
https://mau.dev/maunium/synapse.git
synced 2024-05-16 10:33:45 +02:00
cb562d73aa
When a lot of locks are waiting for a single lock, notifying all locks independently with `call_later` on each release is really costly and incurs some kind of async contention, where the CPU is spinning a lot for not much. The included test is taking around 30s before the change, and 0.5s after. It was found following failing tests with https://github.com/element-hq/synapse/pull/16827.
2 lines
95 B
Plaintext
2 lines
95 B
Plaintext
Improve lock performance when a lot of locks are all waiting for a single lock to be released.
|