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Simplify cache invalidation after event persist txn (#13796)

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This moves all the invalidations into a single place and de-duplicates
the code involved in invalidating caches for a given event by using
the base class method.
This commit is contained in:
Nick Mills-Barrett 2022-09-26 16:26:35 +01:00 • committed by GitHub
parent f34b0bc262
commit 6b4593a80f
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 52 additions and 119 deletions
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34
synapse/storage/databases/main/cache.py
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@ -223,15 +223,16 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
# process triggering the invalidation is responsible for clearing any external
# cached objects.
self._invalidate_local_get_event_cache(event_id)
self.have_seen_event.invalidate((room_id, event_id))
self.get_latest_event_ids_in_room.invalidate((room_id,))
self.get_unread_event_push_actions_by_room_for_user.invalidate((room_id,))
self._attempt_to_invalidate_cache("have_seen_event", (room_id, event_id))
self._attempt_to_invalidate_cache("get_latest_event_ids_in_room", (room_id,))
self._attempt_to_invalidate_cache(
"get_unread_event_push_actions_by_room_for_user", (room_id,)
)
# The `_get_membership_from_event_id` is immutable, except for the
# case where we look up an event *before* persisting it.
self._get_membership_from_event_id.invalidate((event_id,))
self._attempt_to_invalidate_cache("_get_membership_from_event_id", (event_id,))
if not backfilled:
self._events_stream_cache.entity_has_changed(room_id, stream_ordering)
@ -240,19 +241,26 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
self._invalidate_local_get_event_cache(redacts)
# Caches which might leak edits must be invalidated for the event being
# redacted.
self.get_relations_for_event.invalidate((redacts,))
self.get_applicable_edit.invalidate((redacts,))
self._attempt_to_invalidate_cache("get_relations_for_event", (redacts,))
self._attempt_to_invalidate_cache("get_applicable_edit", (redacts,))
if etype == EventTypes.Member:
self._membership_stream_cache.entity_has_changed(state_key, stream_ordering)
self.get_invited_rooms_for_local_user.invalidate((state_key,))
self._attempt_to_invalidate_cache(
"get_invited_rooms_for_local_user", (state_key,)
)
if relates_to:
self.get_relations_for_event.invalidate((relates_to,))
self.get_aggregation_groups_for_event.invalidate((relates_to,))
self.get_applicable_edit.invalidate((relates_to,))
self.get_thread_summary.invalidate((relates_to,))
self.get_thread_participated.invalidate((relates_to,))
self._attempt_to_invalidate_cache("get_relations_for_event", (relates_to,))
self._attempt_to_invalidate_cache(
"get_aggregation_groups_for_event", (relates_to,)
)
self._attempt_to_invalidate_cache("get_applicable_edit", (relates_to,))
self._attempt_to_invalidate_cache("get_thread_summary", (relates_to,))
self._attempt_to_invalidate_cache("get_thread_participated", (relates_to,))
self._attempt_to_invalidate_cache(
"get_mutual_event_relations_for_rel_type", (relates_to,)
)
async def invalidate_cache_and_stream(
self, cache_name: str, keys: Tuple[Any, ...]