MirrorHub/synapse
0
0
Fork 1
mirror of https://mau.dev/maunium/synapse.git synced 2024-12-24 23:34:10 +01:00
Code Issues Projects Releases Wiki Activity

Improve performance of getting typing updates for replication

Browse source 
Fetching the list of all new typing notifications involved iterating
over all rooms and comparing their serial. Lets move to using a stream
change cache, like we do for other streams.
This commit is contained in:
Erik Johnston 2018-09-05 10:20:40 +01:00
parent a6cf7d9d9a
commit 5f02017aea
1 changed files with 19 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
synapse/handlers/typing.py
View file

@ -20,6 +20,7 @@ from twisted.internet import defer
from synapse.api.errors import AuthError, SynapseError
from synapse.types import UserID, get_domain_from_id
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.util.logcontext import run_in_background
from synapse.util.metrics import Measure
from synapse.util.wheel_timer import WheelTimer
@ -68,6 +69,11 @@ class TypingHandler(object):
# map room IDs to sets of users currently typing
self._room_typing = {}
# caches which room_ids changed at which serials
self._typing_stream_change_cache = StreamChangeCache(
"TypingStreamChangeCache", self._latest_room_serial,
)
self.clock.looping_call(
self._handle_timeouts,
5000,
@ -274,19 +280,29 @@ class TypingHandler(object):
self._latest_room_serial += 1
self._room_serials[member.room_id] = self._latest_room_serial
self._typing_stream_change_cache.entity_has_changed(
member.room_id, self._latest_room_serial,
)
self.notifier.on_new_event(
"typing_key", self._latest_room_serial, rooms=[member.room_id]
)
def get_all_typing_updates(self, last_id, current_id):
# TODO: Work out a way to do this without scanning the entire state.
if last_id == current_id:
return []
changed_rooms = self._typing_stream_change_cache.get_all_entities_changed(
last_id,
)
if changed_rooms is None:
changed_rooms = self._room_serials
rows = []
for room_id, serial in self._room_serials.items():
if last_id < serial and serial <= current_id:
for room_id in changed_rooms:
serial = self._room_serials[room_id]
if last_id < serial <= current_id:
typing = self._room_typing[room_id]
rows.append((serial, room_id, list(typing)))
rows.sort()