synapse/changelog.d/9640.misc at 9b0e3009fa4722472fa7c576bcf44228fa8f6a1f - mirrors/synapse - Sadium Git

mirrors/synapse

mirror of https://github.com/element-hq/synapse.git synced 2024-11-29 07:28:55 +03:00

Erik Johnston dd71eb0f8a

Make federation catchup send last event from any server. (#9640 )

Currently federation catchup will send the last *local* event that we
failed to send to the remote. This can cause issues for large rooms
where lots of servers have sent events while the remote server was down,
as when it comes back up again it'll be flooded with events from various
points in the DAG.

Instead, let's make it so that all the servers send the most recent
events, even if its not theirs. The remote should deduplicate the
events, so there shouldn't be much overhead in doing this.
Alternatively, the servers could only send local events if they were
also extremities and hope that the other server will send the event
over, but that is a bit risky.

2021-03-18 15:52:26 +00:00

1 line

164 B

Text

Raw Blame History

Improve performance of federation catch up by sending events the latest events in the room to the remote, rather than just the last event sent by the local server.