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957e3d74fc
We can follow-up this PR with: 1. Only try to backfill from an event if we haven't tried recently -> https://github.com/matrix-org/synapse/issues/13622 1. When we decide to backfill that event again, process it in the background so it doesn't block and make `/messages` slow when we know it will probably fail again -> https://github.com/matrix-org/synapse/issues/13623 1. Generally track failures everywhere we try and fail to pull an event over federation -> https://github.com/matrix-org/synapse/issues/13700 Fix https://github.com/matrix-org/synapse/issues/13621 Part of https://github.com/matrix-org/synapse/issues/13356 Mentioned in [internal doc](https://docs.google.com/document/d/1lvUoVfYUiy6UaHB6Rb4HicjaJAU40-APue9Q4vzuW3c/edit#bookmark=id.qv7cj51sv9i5)
30 lines
1.2 KiB
SQL
30 lines
1.2 KiB
SQL
/* Copyright 2022 The Matrix.org Foundation C.I.C
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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-- Add a table that keeps track of when we failed to pull an event over
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-- federation (via /backfill, `/event`, `/get_missing_events`, etc). This allows
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-- us to be more intelligent when we decide to retry (we don't need to fail over
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-- and over) and we can process that event in the background so we don't block
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-- on it each time.
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CREATE TABLE IF NOT EXISTS event_failed_pull_attempts(
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room_id TEXT NOT NULL REFERENCES rooms (room_id),
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event_id TEXT NOT NULL,
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num_attempts INT NOT NULL,
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last_attempt_ts BIGINT NOT NULL,
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last_cause TEXT NOT NULL,
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PRIMARY KEY (room_id, event_id)
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);
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