From 2c2c3f8b2c1e33d5aee6d480c60c75c1179e3dba Mon Sep 17 00:00:00 2001 From: Nick Mills-Barrett Date: Mon, 17 Oct 2022 13:27:51 +0100 Subject: [PATCH] Invalidate rooms for user caches when receiving membership events (#14155) 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. --- changelog.d/14155.misc | 1 + synapse/storage/databases/main/cache.py | 4 ++++ 2 files changed, 5 insertions(+) create mode 100644 changelog.d/14155.misc diff --git a/changelog.d/14155.misc b/changelog.d/14155.misc new file mode 100644 index 000000000..79539cdc3 --- /dev/null +++ b/changelog.d/14155.misc @@ -0,0 +1 @@ +Invalidate rooms for user caches on replicated event, fix sync cache race in synapse workers. Contributed by Nick @ Beeper (@fizzadar). diff --git a/synapse/storage/databases/main/cache.py b/synapse/storage/databases/main/cache.py index ed0be4abe..ddb739771 100644 --- a/synapse/storage/databases/main/cache.py +++ b/synapse/storage/databases/main/cache.py @@ -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,))