synapse/changelog.d/6936.misc at 099c96b89b54b58ecb9b6b6ed781f66f97dea112 - mirrors/synapse - Sadium Git

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Erik Johnston 0d0bc35792

Increase DB/CPU perf of _is_server_still_joined check. (#6936 )

* Increase DB/CPU perf of `_is_server_still_joined` check.

For rooms with large amount of state a single user leaving could cause
us to go and load a lot of membership events and then pull out
membership state in a large number of batches.

* Newsfile

* Update synapse/storage/persist_events.py

Co-Authored-By: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

* Fix adding if too soon

* Update docstring

* Review comments

* Woops typo

Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

2020-02-19 10:15:49 +00:00

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Increase DB/CPU perf of `_is_server_still_joined` check.