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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main	Increase DB/CPU perf of _is_server_still_joined check. (#6936)	2020-02-19 10:15:49 +00:00
state	Add StateMap type alias (#6715)	2020-01-16 13:31:22 +00:00
__init__.py	Modify check_database to take a connection rather than a cursor	2020-01-09 18:05:50 +00:00