diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index da1acea275..4e55ebba0b 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -1390,7 +1390,7 @@ class EventCreationHandler:
extra_users=extra_users,
),
run_in_background(
- self.cache_joined_hosts_for_event, event, context
+ self.cache_joined_hosts_for_events, events_and_context
).addErrback(
log_failure, "cache_joined_hosts_for_event failed"
),
@@ -1491,62 +1491,65 @@ class EventCreationHandler:
await self.store.remove_push_actions_from_staging(event.event_id)
raise
- async def cache_joined_hosts_for_event(
- self, event: EventBase, context: EventContext
+ async def cache_joined_hosts_for_events(
+ self, events_and_context: List[Tuple[EventBase, EventContext]]
) -> None:
- """Precalculate the joined hosts at the event, when using Redis, so that
+ """Precalculate the joined hosts at each of the given events, when using Redis, so that
external federation senders don't have to recalculate it themselves.
"""
- if not self._external_cache.is_enabled():
- return
-
- # If external cache is enabled we should always have this.
- assert self._external_cache_joined_hosts_updates is not None
+ for event, _ in events_and_context:
+ if not self._external_cache.is_enabled():
+ return
- # We actually store two mappings, event ID -> prev state group,
- # state group -> joined hosts, which is much more space efficient
- # than event ID -> joined hosts.
- #
- # Note: We have to cache event ID -> prev state group, as we don't
- # store that in the DB.
- #
- # Note: We set the state group -> joined hosts cache if it hasn't been
- # set for a while, so that the expiry time is reset.
+ # If external cache is enabled we should always have this.
+ assert self._external_cache_joined_hosts_updates is not None
- state_entry = await self.state.resolve_state_groups_for_events(
- event.room_id, event_ids=event.prev_event_ids()
- )
+ # We actually store two mappings, event ID -> prev state group,
+ # state group -> joined hosts, which is much more space efficient
+ # than event ID -> joined hosts.
+ #
+ # Note: We have to cache event ID -> prev state group, as we don't
+ # store that in the DB.
+ #
+ # Note: We set the state group -> joined hosts cache if it hasn't been
+ # set for a while, so that the expiry time is reset.
- if state_entry.state_group:
- await self._external_cache.set(
- "event_to_prev_state_group",
- event.event_id,
- state_entry.state_group,
- expiry_ms=60 * 60 * 1000,
+ state_entry = await self.state.resolve_state_groups_for_events(
+ event.room_id, event_ids=event.prev_event_ids()
)
- if state_entry.state_group in self._external_cache_joined_hosts_updates:
- return
+ if state_entry.state_group:
+ await self._external_cache.set(
+ "event_to_prev_state_group",
+ event.event_id,
+ state_entry.state_group,
+ expiry_ms=60 * 60 * 1000,
+ )
- state = await state_entry.get_state(
- self._storage_controllers.state, StateFilter.all()
- )
- with opentracing.start_active_span("get_joined_hosts"):
- joined_hosts = await self.store.get_joined_hosts(
- event.room_id, state, state_entry
+ if state_entry.state_group in self._external_cache_joined_hosts_updates:
+ return
+
+ state = await state_entry.get_state(
+ self._storage_controllers.state, StateFilter.all()
)
+ with opentracing.start_active_span("get_joined_hosts"):
+ joined_hosts = await self.store.get_joined_hosts(
+ event.room_id, state, state_entry
+ )
- # Note that the expiry times must be larger than the expiry time in
- # _external_cache_joined_hosts_updates.
- await self._external_cache.set(
- "get_joined_hosts",
- str(state_entry.state_group),
- list(joined_hosts),
- expiry_ms=60 * 60 * 1000,
- )
+ # Note that the expiry times must be larger than the expiry time in
+ # _external_cache_joined_hosts_updates.
+ await self._external_cache.set(
+ "get_joined_hosts",
+ str(state_entry.state_group),
+ list(joined_hosts),
+ expiry_ms=60 * 60 * 1000,
+ )
- self._external_cache_joined_hosts_updates[state_entry.state_group] = None
+ self._external_cache_joined_hosts_updates[
+ state_entry.state_group
+ ] = None
async def _validate_canonical_alias(
self,
|