From 9b8cd66524304f76209a59e12f4eca561b1a43d3 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 30 May 2019 10:55:55 +0100 Subject: Fixup comments and logging --- synapse/storage/events.py | 21 ++++++++++++--------- .../schema/delta/54/delete_forward_extremities.sql | 3 +++ 2 files changed, 15 insertions(+), 9 deletions(-) (limited to 'synapse') diff --git a/synapse/storage/events.py b/synapse/storage/events.py index a9664928ca..418d88b8dc 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -2387,7 +2387,8 @@ class EventsStore( soft_failed_events_to_lookup = set() # First, we get `batch_size` events from the table, pulling out - # their prev events, if any, and their prev events rejection status. + # their successor events, if any, and their successor events + # rejection status. txn.execute( """SELECT prev_event_id, event_id, internal_metadata, rejections.event_id IS NOT NULL, events.outlier @@ -2450,11 +2451,10 @@ class EventsStore( if event_id in graph: # Already handled this event previously, but we still # want to record the edge. - graph.setdefault(event_id, set()).add(prev_event_id) - logger.info("Already handled") + graph[event_id].add(prev_event_id) continue - graph.setdefault(event_id, set()).add(prev_event_id) + graph[event_id] = {prev_event_id} soft_failed = json.loads(metadata).get("soft_failed") if soft_failed or rejected: @@ -2474,8 +2474,6 @@ class EventsStore( to_delete.intersection_update(original_set) - logger.info("Deleting up to %d forward extremities", len(to_delete)) - deleted = self._simple_delete_many_txn( txn=txn, table="event_forward_extremities", @@ -2484,7 +2482,11 @@ class EventsStore( keyvalues={}, ) - logger.info("Deleted %d forward extremities", deleted) + logger.info( + "Deleted %d forward extremities of %d checked, to clean up #5269", + deleted, + len(original_set), + ) if deleted: # We now need to invalidate the caches of these rooms @@ -2496,10 +2498,11 @@ class EventsStore( keyvalues={}, retcols=("room_id",) ) - for row in rows: + room_ids = set(row["room_id"] for row in rows) + for room_id in room_ids: txn.call_after( self.get_latest_event_ids_in_room.invalidate, - (row["room_id"],) + (room_id,) ) self._simple_delete_many_txn( diff --git a/synapse/storage/schema/delta/54/delete_forward_extremities.sql b/synapse/storage/schema/delta/54/delete_forward_extremities.sql index 7056bd1d00..aa40f13da7 100644 --- a/synapse/storage/schema/delta/54/delete_forward_extremities.sql +++ b/synapse/storage/schema/delta/54/delete_forward_extremities.sql @@ -13,7 +13,10 @@ * limitations under the License. */ +-- Start a background job to cleanup extremities that were incorrectly added +-- by bug #5269. INSERT INTO background_updates (update_name, progress_json) VALUES ('delete_soft_failed_extremities', '{}'); +DROP TABLE IF EXISTS _extremities_to_check; -- To make this delta schema file idempotent. CREATE TABLE _extremities_to_check AS SELECT event_id FROM event_forward_extremities; -- cgit 1.4.1