Only invalidate membership caches based on the cache stream

Before we completely invalidated get_users_in_room whenever we updated
any current_state_events table. This was way too aggressive.
This commit is contained in:
Erik Johnston 2017-01-31 16:09:03 +00:00
parent ac001dabdc
commit 458b6f4733
4 changed files with 5 additions and 41 deletions

View File

@ -299,9 +299,6 @@ class ReplicationResource(Resource):
"backward_ex_outliers", res.backward_ex_outliers,
("position", "event_id", "state_group"),
)
writer.write_header_and_rows(
"state_resets", res.state_resets, ("position",),
)
@defer.inlineCallbacks
def presence(self, writer, current_token, request_streams):

View File

@ -192,10 +192,6 @@ class SlavedEventStore(BaseSlavedStore):
return result
def process_replication(self, result):
state_resets = set(
r[0] for r in result.get("state_resets", {"rows": []})["rows"]
)
stream = result.get("events")
if stream:
self._stream_id_gen.advance(int(stream["position"]))
@ -205,7 +201,7 @@ class SlavedEventStore(BaseSlavedStore):
for row in stream["rows"]:
self._process_replication_row(
row, backfilled=False, state_resets=state_resets
row, backfilled=False,
)
stream = result.get("backfill")
@ -213,7 +209,7 @@ class SlavedEventStore(BaseSlavedStore):
self._backfill_id_gen.advance(-int(stream["position"]))
for row in stream["rows"]:
self._process_replication_row(
row, backfilled=True, state_resets=state_resets
row, backfilled=True,
)
stream = result.get("forward_ex_outliers")
@ -232,20 +228,15 @@ class SlavedEventStore(BaseSlavedStore):
return super(SlavedEventStore, self).process_replication(result)
def _process_replication_row(self, row, backfilled, state_resets):
position = row[0]
def _process_replication_row(self, row, backfilled):
internal = json.loads(row[1])
event_json = json.loads(row[2])
event = FrozenEvent(event_json, internal_metadata_dict=internal)
self.invalidate_caches_for_event(
event, backfilled, reset_state=position in state_resets
event, backfilled,
)
def invalidate_caches_for_event(self, event, backfilled, reset_state):
if reset_state:
self.get_rooms_for_user.invalidate_all()
self.get_users_in_room.invalidate((event.room_id,))
def invalidate_caches_for_event(self, event, backfilled):
self._invalidate_get_event_cache(event.event_id)
self.get_latest_event_ids_in_room.invalidate((event.room_id,))
@ -267,8 +258,6 @@ class SlavedEventStore(BaseSlavedStore):
self._invalidate_get_event_cache(event.redacts)
if event.type == EventTypes.Member:
self.get_rooms_for_user.invalidate((event.state_key,))
self.get_users_in_room.invalidate((event.room_id,))
self._membership_stream_cache.entity_has_changed(
event.state_key, event.internal_metadata.stream_ordering
)

View File

@ -572,14 +572,6 @@ class EventsStore(SQLBaseStore):
txn, self.get_users_in_room, (room_id,)
)
# Add an entry to the current_state_resets table to record the point
# where we clobbered the current state
self._simple_insert_txn(
txn,
table="current_state_resets",
values={"event_stream_ordering": max_stream_order}
)
for room_id, new_extrem in new_forward_extremeties.items():
self._simple_delete_txn(
txn,
@ -1610,15 +1602,6 @@ class EventsStore(SQLBaseStore):
else:
upper_bound = current_forward_id
sql = (
"SELECT event_stream_ordering FROM current_state_resets"
" WHERE ? < event_stream_ordering"
" AND event_stream_ordering <= ?"
" ORDER BY event_stream_ordering ASC"
)
txn.execute(sql, (last_forward_id, upper_bound))
state_resets = txn.fetchall()
sql = (
"SELECT event_stream_ordering, event_id, state_group"
" FROM ex_outlier_stream"
@ -1630,7 +1613,6 @@ class EventsStore(SQLBaseStore):
forward_ex_outliers = txn.fetchall()
else:
new_forward_events = []
state_resets = []
forward_ex_outliers = []
sql = (
@ -1670,7 +1652,6 @@ class EventsStore(SQLBaseStore):
return AllNewEventsResult(
new_forward_events, new_backfill_events,
forward_ex_outliers, backward_ex_outliers,
state_resets,
)
return self.runInteraction("get_all_new_events", get_all_new_events_txn)
@ -1896,5 +1877,4 @@ class EventsStore(SQLBaseStore):
AllNewEventsResult = namedtuple("AllNewEventsResult", [
"new_forward_events", "new_backfill_events",
"forward_ex_outliers", "backward_ex_outliers",
"state_resets"
])

View File

@ -66,8 +66,6 @@ class RoomMemberStore(SQLBaseStore):
)
for event in events:
txn.call_after(self.get_rooms_for_user.invalidate, (event.state_key,))
txn.call_after(self.get_users_in_room.invalidate, (event.room_id,))
txn.call_after(
self._membership_stream_cache.entity_has_changed,
event.state_key, event.internal_metadata.stream_ordering