diff options
Diffstat (limited to 'synapse/storage')
| -rw-r--r-- | synapse/storage/data_stores/main/schema/delta/58/12room_stats.sql | 32 | ||||
| -rw-r--r-- | synapse/storage/data_stores/main/stats.py | 34 |
2 files changed, 61 insertions, 5 deletions
diff --git a/synapse/storage/data_stores/main/schema/delta/58/12room_stats.sql b/synapse/storage/data_stores/main/schema/delta/58/12room_stats.sql new file mode 100644 index 0000000000..cade5dcca8 --- /dev/null +++ b/synapse/storage/data_stores/main/schema/delta/58/12room_stats.sql @@ -0,0 +1,32 @@ +/* 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. + */ + +-- Recalculate the stats for all rooms after the fix to joined_members erroneously +-- incrementing on per-room profile changes. + +-- Note that the populate_stats_process_rooms background update is already set to +-- run if you're upgrading from Synapse <1.0.0. + +-- Additionally, if you've upgraded to v1.18.0 (which doesn't include this fix), +-- this bg job runs, and then update to v1.19.0, you'd end up with only half of +-- your rooms having room stats recalculated after this fix was in place. + +-- So we've switched the old `populate_stats_process_rooms` background job to a +-- no-op, and then kick off a bg job with a new name, but with the same +-- functionality as the old one. This effectively restarts the background job +-- from the beginning, without running it twice in a row, supporting both +-- upgrade usecases. +INSERT INTO background_updates (update_name, progress_json) VALUES + ('populate_stats_process_rooms_2', '{}'); diff --git a/synapse/storage/data_stores/main/stats.py b/synapse/storage/data_stores/main/stats.py index 922400a7c3..40db8f594e 100644 --- a/synapse/storage/data_stores/main/stats.py +++ b/synapse/storage/data_stores/main/stats.py @@ -73,6 +73,9 @@ class StatsStore(StateDeltasStore): "populate_stats_process_rooms", self._populate_stats_process_rooms ) self.db.updates.register_background_update_handler( + "populate_stats_process_rooms_2", self._populate_stats_process_rooms_2 + ) + self.db.updates.register_background_update_handler( "populate_stats_process_users", self._populate_stats_process_users ) # we no longer need to perform clean-up, but we will give ourselves @@ -141,10 +144,29 @@ class StatsStore(StateDeltasStore): async def _populate_stats_process_rooms(self, progress, batch_size): """ + This was a background update which regenerated statistics for rooms. + + It has been replaced by StatsStore._populate_stats_process_rooms_2. This background + job has been scheduled to run as part of Synapse v1.0.0, and again now. To ensure + someone upgrading from <v1.0.0, this background task has been turned into a no-op + so that the potentially expensive task is not run twice. + + Further context: https://github.com/matrix-org/synapse/pull/7977 + """ + await self.db.updates._end_background_update("populate_stats_process_rooms") + return 1 + + async def _populate_stats_process_rooms_2(self, progress, batch_size): + """ This is a background update which regenerates statistics for rooms. + + It replaces StatsStore._populate_stats_process_rooms. See its docstring for the + reasoning. """ if not self.stats_enabled: - await self.db.updates._end_background_update("populate_stats_process_rooms") + await self.db.updates._end_background_update( + "populate_stats_process_rooms_2" + ) return 1 last_room_id = progress.get("last_room_id", "") @@ -160,12 +182,14 @@ class StatsStore(StateDeltasStore): return [r for r, in txn] rooms_to_work_on = await self.db.runInteraction( - "populate_stats_rooms_get_batch", _get_next_batch + "populate_stats_rooms_2_get_batch", _get_next_batch ) # No more rooms -- complete the transaction. if not rooms_to_work_on: - await self.db.updates._end_background_update("populate_stats_process_rooms") + await self.db.updates._end_background_update( + "populate_stats_process_rooms_2" + ) return 1 for room_id in rooms_to_work_on: @@ -173,9 +197,9 @@ class StatsStore(StateDeltasStore): progress["last_room_id"] = room_id await self.db.runInteraction( - "_populate_stats_process_rooms", + "_populate_stats_process_rooms_2", self.db.updates._background_update_progress_txn, - "populate_stats_process_rooms", + "populate_stats_process_rooms_2", progress, ) |