Merge pull request #5291 from matrix-org/erikj/add_index
Add index to temp bg update extremity tablepull/5293/head
commit
57b3751918
changelog.d
synapse/storage/schema/delta/54
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@ -0,0 +1 @@
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Fix bug where we leaked extremities when we soft failed events, leading to performance degradation.
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@ -20,3 +20,4 @@ INSERT INTO background_updates (update_name, progress_json) VALUES
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DROP TABLE IF EXISTS _extremities_to_check; -- To make this delta schema file idempotent.
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DROP TABLE IF EXISTS _extremities_to_check; -- To make this delta schema file idempotent.
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CREATE TABLE _extremities_to_check AS SELECT event_id FROM event_forward_extremities;
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CREATE TABLE _extremities_to_check AS SELECT event_id FROM event_forward_extremities;
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CREATE INDEX _extremities_to_check_id ON _extremities_to_check(event_id);
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