From 501f62d1a62296f79e46e1bd60dc5d1a8b28847d Mon Sep 17 00:00:00 2001 From: reivilibre Date: Mon, 5 Dec 2022 13:07:55 +0000 Subject: Faster remote room joins: stream the un-partial-stating of rooms over replication. [rei:frrj/streams/unpsr] (#14473) --- .../delta/73/20_un_partial_stated_room_stream.sql | 32 ++++++++++++++++++++++ ..._un_partial_stated_room_stream_seq.sql.postgres | 20 ++++++++++++++ 2 files changed, 52 insertions(+) create mode 100644 synapse/storage/schema/main/delta/73/20_un_partial_stated_room_stream.sql create mode 100644 synapse/storage/schema/main/delta/73/21_un_partial_stated_room_stream_seq.sql.postgres (limited to 'synapse/storage/schema/main') diff --git a/synapse/storage/schema/main/delta/73/20_un_partial_stated_room_stream.sql b/synapse/storage/schema/main/delta/73/20_un_partial_stated_room_stream.sql new file mode 100644 index 0000000000..743196cfe3 --- /dev/null +++ b/synapse/storage/schema/main/delta/73/20_un_partial_stated_room_stream.sql @@ -0,0 +1,32 @@ +/* Copyright 2022 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. + */ + +-- Stream for notifying that a room has become un-partial-stated. +CREATE TABLE un_partial_stated_room_stream( + -- Position in the stream + stream_id BIGINT PRIMARY KEY NOT NULL, + + -- Which instance wrote this entry. + instance_name TEXT NOT NULL, + + -- Which room has been un-partial-stated. + room_id TEXT NOT NULL REFERENCES rooms(room_id) ON DELETE CASCADE +); + +-- We want an index here because of the foreign key constraint: +-- upon deleting a room, the database needs to be able to check here. +-- This index is not unique because we can join a room multiple times in a server's lifetime, +-- so the same room could be un-partial-stated multiple times! +CREATE INDEX un_partial_stated_room_stream_room_id ON un_partial_stated_room_stream (room_id); diff --git a/synapse/storage/schema/main/delta/73/21_un_partial_stated_room_stream_seq.sql.postgres b/synapse/storage/schema/main/delta/73/21_un_partial_stated_room_stream_seq.sql.postgres new file mode 100644 index 0000000000..c1aac0b385 --- /dev/null +++ b/synapse/storage/schema/main/delta/73/21_un_partial_stated_room_stream_seq.sql.postgres @@ -0,0 +1,20 @@ +/* Copyright 2022 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. + */ + +CREATE SEQUENCE IF NOT EXISTS un_partial_stated_room_stream_sequence; + +SELECT setval('un_partial_stated_room_stream_sequence', ( + SELECT COALESCE(MAX(stream_id), 1) FROM un_partial_stated_room_stream +)); -- cgit 1.4.1