diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/federation/sender/per_destination_queue.py | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/synapse/federation/sender/per_destination_queue.py b/synapse/federation/sender/per_destination_queue.py index d9f2f017ed..9f1c2fe22a 100644 --- a/synapse/federation/sender/per_destination_queue.py +++ b/synapse/federation/sender/per_destination_queue.py @@ -21,6 +21,7 @@ # import datetime import logging +from collections import OrderedDict from types import TracebackType from typing import TYPE_CHECKING, Dict, Hashable, Iterable, List, Optional, Tuple, Type @@ -68,6 +69,10 @@ sent_edus_by_type = Counter( # If the retry interval is larger than this then we enter "catchup" mode CATCHUP_RETRY_INTERVAL = 60 * 60 * 1000 +# Limit how many presence states we add to each presence EDU, to ensure that +# they are bounded in size. +MAX_PRESENCE_STATES_PER_EDU = 50 + class PerDestinationQueue: """ @@ -144,7 +149,7 @@ class PerDestinationQueue: # Map of user_id -> UserPresenceState of pending presence to be sent to this # destination - self._pending_presence: Dict[str, UserPresenceState] = {} + self._pending_presence: OrderedDict[str, UserPresenceState] = OrderedDict() # List of room_id -> receipt_type -> user_id -> receipt_dict, # @@ -399,7 +404,7 @@ class PerDestinationQueue: # through another mechanism, because this is all volatile! self._pending_edus = [] self._pending_edus_keyed = {} - self._pending_presence = {} + self._pending_presence.clear() self._pending_receipt_edus = [] self._start_catching_up() @@ -721,22 +726,26 @@ class _TransactionQueueManager: # Add presence EDU. if self.queue._pending_presence: + # Only send max 50 presence entries in the EDU, to bound the amount + # of data we're sending. + presence_to_add: List[JsonDict] = [] + while ( + self.queue._pending_presence + and len(presence_to_add) < MAX_PRESENCE_STATES_PER_EDU + ): + _, presence = self.queue._pending_presence.popitem(last=False) + presence_to_add.append( + format_user_presence_state(presence, self.queue._clock.time_msec()) + ) + pending_edus.append( Edu( origin=self.queue._server_name, destination=self.queue._destination, edu_type=EduTypes.PRESENCE, - content={ - "push": [ - format_user_presence_state( - presence, self.queue._clock.time_msec() - ) - for presence in self.queue._pending_presence.values() - ] - }, + content={"push": presence_to_add}, ) ) - self.queue._pending_presence = {} # Add read receipt EDUs. pending_edus.extend(self.queue._get_receipt_edus(force_flush=False, limit=5)) |