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Optimise backfill calculation (#12522)

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Try to avoid an OOM by checking fewer extremities.

Generally this is a big rewrite of _maybe_backfill, to try and fix some of the TODOs and other problems in it. It's best reviewed commit-by-commit.
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Richard van der Hoff 2022-04-26 10:27:11 +01:00 • committed by GitHub
parent e75c7e3b6d
commit 17d99f758a
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5 changed files with 168 additions and 106 deletions
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synapse/handlers/room_batch.py
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@ -54,7 +54,7 @@ class RoomBatchHandler:
# it has a larger `depth` but before the successor event because the `stream_ordering`
# is negative before the successor event.
successor_event_ids = await self.store.get_successor_events(
[most_recent_prev_event_id]
most_recent_prev_event_id
)
# If we can't find any successor events, then it's a forward extremity of