From 7b608cf4683c0df2dbb55aacd472c407a0f6b1fa Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Tue, 31 Mar 2020 17:43:19 +0100 Subject: Only run one background update at a time --- .../schema/delta/58/00background_update_ordering.sql | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 synapse/storage/schema/delta/58/00background_update_ordering.sql (limited to 'synapse/storage/schema') diff --git a/synapse/storage/schema/delta/58/00background_update_ordering.sql b/synapse/storage/schema/delta/58/00background_update_ordering.sql new file mode 100644 index 0000000000..02dae587cc --- /dev/null +++ b/synapse/storage/schema/delta/58/00background_update_ordering.sql @@ -0,0 +1,19 @@ +/* Copyright 2020 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. + */ + +/* add an "ordering" column to background_updates, which can be used to sort them + to achieve some level of consistency. */ + +ALTER TABLE background_updates ADD COLUMN ordering INT NOT NULL DEFAULT 0; -- cgit 1.5.1