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Invalidate rooms for user caches when receiving membership events (#14155)

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This should fix a race where the event notification comes in over
replication before the state replication, leaving a window during
which a sync may get an incorrect list of rooms for the user.
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Nick Mills-Barrett 2022-10-17 13:27:51 +01:00 committed by GitHub
parent cd01a1d3b5
commit 2c2c3f8b2c
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changelog.d/14155.misc Normal file
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@ -0,0 +1 @@
Invalidate rooms for user caches on replicated event, fix sync cache race in synapse workers. Contributed by Nick @ Beeper (@fizzadar).

4
synapse/storage/databases/main/cache.py
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@ -252,6 +252,10 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
self._attempt_to_invalidate_cache(
"get_invited_rooms_for_local_user", (state_key,)
)
self._attempt_to_invalidate_cache(
"get_rooms_for_user_with_stream_ordering", (state_key,)
)
self._attempt_to_invalidate_cache("get_rooms_for_user", (state_key,))
if relates_to:
self._attempt_to_invalidate_cache("get_relations_for_event", (relates_to,))