forked-synapse/synapse/storage/schema/main/delta/77/14bg_indices_event_stream_ordering.sql
reivilibre 11e15d79b8
Fix a performance issue introduced in Synapse v1.83.0 which meant that purging rooms was very slow and database-intensive. (#15693)
* Add indices required to efficiently validate new foreign key constraints on stream_ordering

* Newsfile

Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>

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Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
2023-05-31 14:59:56 +01:00

21 lines
892 B
SQL

/* Copyright 2023 The Matrix.org Foundation C.I.C.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
INSERT INTO background_updates (ordering, update_name, progress_json)
VALUES
(7714, 'current_state_events_stream_ordering_idx', '{}'),
(7714, 'local_current_membership_stream_ordering_idx', '{}'),
(7714, 'room_memberships_stream_ordering_idx', '{}');