From c857f5ef9b77b07179555a63973f11b8aa8c1752 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 13 Sep 2018 12:48:10 +0100 Subject: [PATCH] Make purge history slightly faster Don't pull out events that are outliers and won't be deleted, as nothing should happen to them. --- synapse/storage/events.py | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 30ff87a4c4..1c8e01a47e 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -1930,15 +1930,22 @@ class EventsStore(EventFederationStore, EventsWorkerStore, BackgroundUpdateStore should_delete_params = () if not delete_local_events: should_delete_expr += " AND event_id NOT LIKE ?" - should_delete_params += ("%:" + self.hs.hostname, ) + should_delete_params += ( + "%:" + self.hs.hostname, + "%:" + self.hs.hostname, + ) should_delete_params += (room_id, token.topological) + # Note that we insert events that are outliers and aren't going to be + # deleted, as nothing will happen to them. txn.execute( "INSERT INTO events_to_purge" " SELECT event_id, %s" " FROM events AS e LEFT JOIN state_events USING (event_id)" - " WHERE e.room_id = ? AND topological_ordering < ?" % ( + " WHERE (NOT outlier OR (%s)) AND e.room_id = ? AND topological_ordering < ?" + % ( + should_delete_expr, should_delete_expr, ), should_delete_params,