diff options
| -rw-r--r-- | changelog.d/13600.misc | 1 | ||||
| -rw-r--r-- | synapse/storage/databases/main/roommember.py | 10 |
2 files changed, 7 insertions, 4 deletions
diff --git a/changelog.d/13600.misc b/changelog.d/13600.misc new file mode 100644 index 0000000000..1ce9c0c081 --- /dev/null +++ b/changelog.d/13600.misc @@ -0,0 +1 @@ +Cache user IDs instead of profiles to reduce cache memory usage. Contributed by Nick @ Beeper (@fizzadar). diff --git a/synapse/storage/databases/main/roommember.py b/synapse/storage/databases/main/roommember.py index 0eb024a809..046ad3a11c 100644 --- a/synapse/storage/databases/main/roommember.py +++ b/synapse/storage/databases/main/roommember.py @@ -916,7 +916,9 @@ class RoomMemberWorkerStore(EventsWorkerStore): event_to_memberships = await self._get_user_ids_from_membership_event_ids( missing_member_event_ids ) - users_in_room.update(event_to_memberships.values()) + users_in_room.update( + user_id for user_id in event_to_memberships.values() if user_id + ) if event is not None and event.type == EventTypes.Member: if event.membership == Membership.JOIN: @@ -942,15 +944,15 @@ class RoomMemberWorkerStore(EventsWorkerStore): ) async def _get_user_ids_from_membership_event_ids( self, event_ids: Iterable[str] - ) -> Dict[str, str]: + ) -> Dict[str, Optional[str]]: """For given set of member event_ids check if they point to a join - event and if so return the associated user and profile info. + event. Args: event_ids: The member event IDs to lookup Returns: - Map from event ID to `user_id` and ProfileInfo (or None if not join event). + Map from event ID to `user_id`, or None if event is not a join. """ rows = await self.db_pool.simple_select_many_batch( |