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Sliding Sync: Batch up fetching receipts (#17589)

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This is to make initial sliding sync a bit faster
This commit is contained in:
Erik Johnston 2024-08-20 10:13:26 +01:00 committed by GitHub
parent 8b8d74d12f
commit 950ba844f7
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2 changed files with 17 additions and 14 deletions
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1
changelog.d/17589.misc Normal file
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@ -0,0 +1 @@
Correctly track read receipts that should be sent down in experimental sliding sync.

30
synapse/handlers/sliding_sync.py
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@ -2858,6 +2858,7 @@ class SlidingSyncHandler:
account_data_by_room_map=account_data_by_room_map,
)
@trace
async def get_receipts_extension_response(
self,
sync_config: SlidingSyncConfig,
@ -2966,24 +2967,25 @@ class SlidingSyncHandler:
# from that room but we only want to include receipts for events
# in the timeline to avoid bloating and blowing up the sync response
# as the number of users in the room increases. (this behavior is part of the spec)
for room_id in initial_rooms:
room_result = actual_room_response_map.get(room_id)
if room_result is None:
continue
relevant_event_ids = [
event.event_id for event in room_result.timeline_events
]
# TODO: In the future, it would be good to fetch less receipts
# out of the database in the first place but we would need to
# add a new `event_id` index to `receipts_linearized`.
initial_receipts = await self.store.get_linearized_receipts_for_room(
room_id=room_id,
initial_rooms = {
room_id
for room_id in initial_rooms
if room_id in actual_room_response_map
}
if initial_rooms:
initial_receipts = await self.store.get_linearized_receipts_for_rooms(
room_ids=initial_rooms,
to_key=to_token.receipt_key,
)
for receipt in initial_receipts:
relevant_event_ids = {
event.event_id
for event in actual_room_response_map[
receipt["room_id"]
].timeline_events
}
content = {
event_id: content_value
for event_id, content_value in receipt["content"].items()