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Fixup comments and logging

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This commit is contained in:
Erik Johnston 2019-05-30 10:55:55 +01:00
parent 67e0631f8f
commit 640fcbb07f
2 changed files with 15 additions and 9 deletions
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21
synapse/storage/events.py
View file

@ -2387,7 +2387,8 @@ class EventsStore(
soft_failed_events_to_lookup = set() soft_failed_events_to_lookup = set()
# First, we get `batch_size` events from the table, pulling out # 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( txn.execute(
"""SELECT prev_event_id, event_id, internal_metadata, """SELECT prev_event_id, event_id, internal_metadata,
rejections.event_id IS NOT NULL, events.outlier rejections.event_id IS NOT NULL, events.outlier
@ -2450,11 +2451,10 @@ class EventsStore(
if event_id in graph: if event_id in graph:
# Already handled this event previously, but we still # Already handled this event previously, but we still
# want to record the edge. # want to record the edge.
graph.setdefault(event_id, set()).add(prev_event_id) graph[event_id].add(prev_event_id)
logger.info("Already handled")
continue continue
graph.setdefault(event_id, set()).add(prev_event_id) graph[event_id] = {prev_event_id}
soft_failed = json.loads(metadata).get("soft_failed") soft_failed = json.loads(metadata).get("soft_failed")
if soft_failed or rejected: if soft_failed or rejected:
@ -2474,8 +2474,6 @@ class EventsStore(
to_delete.intersection_update(original_set) to_delete.intersection_update(original_set)
logger.info("Deleting up to %d forward extremities", len(to_delete))
deleted = self._simple_delete_many_txn( deleted = self._simple_delete_many_txn(
txn=txn, txn=txn,
table="event_forward_extremities", table="event_forward_extremities",
@ -2484,7 +2482,11 @@ class EventsStore(
keyvalues={}, 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: if deleted:
# We now need to invalidate the caches of these rooms # We now need to invalidate the caches of these rooms
@ -2496,10 +2498,11 @@ class EventsStore(
keyvalues={}, keyvalues={},
retcols=("room_id",) 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( txn.call_after(
self.get_latest_event_ids_in_room.invalidate, self.get_latest_event_ids_in_room.invalidate,
(row["room_id"],) (room_id,)
) )
self._simple_delete_many_txn( self._simple_delete_many_txn(

3
synapse/storage/schema/delta/54/delete_forward_extremities.sql
View file

@ -13,7 +13,10 @@
* limitations under the License. * 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 INSERT INTO background_updates (update_name, progress_json) VALUES
('delete_soft_failed_extremities', '{}'); ('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; CREATE TABLE _extremities_to_check AS SELECT event_id FROM event_forward_extremities;