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Diffstat (limited to 'synapse/federation/sender/__init__.py')
| -rw-r--r-- | synapse/federation/sender/__init__.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/synapse/federation/sender/__init__.py b/synapse/federation/sender/__init__.py index 5b8faea4e7..23fb515683 100644 --- a/synapse/federation/sender/__init__.py +++ b/synapse/federation/sender/__init__.py @@ -201,7 +201,15 @@ class FederationSender(object): logger.debug("Sending %s to %r", event, destinations) - self._send_pdu(event, destinations) + if destinations: + self._send_pdu(event, destinations) + + now = self.clock.time_msec() + ts = await self.store.get_received_ts(event.event_id) + + synapse.metrics.event_processing_lag_by_event.labels( + "federation_sender" + ).observe(now - ts) async def handle_room_events(events: Iterable[EventBase]) -> None: with Measure(self.clock, "handle_room_events"): |