diff options
-rw-r--r-- | changelog.d/14172.bugfix | 1 | ||||
-rw-r--r-- | synapse/storage/databases/main/event_push_actions.py | 10 |
2 files changed, 9 insertions, 2 deletions
diff --git a/changelog.d/14172.bugfix b/changelog.d/14172.bugfix new file mode 100644 index 0000000000..36521c670c --- /dev/null +++ b/changelog.d/14172.bugfix @@ -0,0 +1 @@ +Fix poor performance of the `event_push_backfill_thread_id` background update, which was introduced in Synapse 1.68.0rc1. diff --git a/synapse/storage/databases/main/event_push_actions.py b/synapse/storage/databases/main/event_push_actions.py index 87d07f7d9b..7f7bcb7094 100644 --- a/synapse/storage/databases/main/event_push_actions.py +++ b/synapse/storage/databases/main/event_push_actions.py @@ -297,9 +297,15 @@ class EventPushActionsWorkerStore(ReceiptsWorkerStore, StreamWorkerStore, SQLBas sql = f""" UPDATE {table_name} SET thread_id = 'main' - WHERE stream_ordering <= ? AND thread_id IS NULL + WHERE ? < stream_ordering AND stream_ordering <= ? AND thread_id IS NULL """ - txn.execute(sql, (max_stream_ordering,)) + txn.execute( + sql, + ( + start_stream_ordering, + max_stream_ordering, + ), + ) # Update progress. processed_rows = txn.rowcount |