From ca9bc1f4feaaabce48595ee2e387529f5bd365e6 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Tue, 7 Aug 2018 10:00:03 +0100 Subject: Fix occasional glitches in the synapse_event_persisted_position metric Every so often this metric glitched to a negative number. I'm assuming it was due to backfilled events. --- synapse/storage/events.py | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'synapse') diff --git a/synapse/storage/events.py b/synapse/storage/events.py index e8e5a0fe44..ce32e8fefd 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -485,9 +485,14 @@ class EventsStore(EventFederationStore, EventsWorkerStore, BackgroundUpdateStore new_forward_extremeties=new_forward_extremeties, ) persist_event_counter.inc(len(chunk)) - synapse.metrics.event_persisted_position.set( - chunk[-1][0].internal_metadata.stream_ordering, - ) + + if not backfilled: + # backfilled events have negative stream orderings, so we don't + # want to set the event_persisted_position to that. + synapse.metrics.event_persisted_position.set( + chunk[-1][0].internal_metadata.stream_ordering, + ) + for event, context in chunk: if context.app_service: origin_type = "local" -- cgit 1.4.1