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authorEric Eastwood <erice@element.io>2022-09-14 13:57:50 -0500
committerGitHub <noreply@github.com>2022-09-14 13:57:50 -0500
commit957e3d74fc70f92bb9ed3c709f87752bf77a8c90 (patch)
treecf177f3d8a17f7bade6c9da71ddc14239f02d196 /changelog.d/13589.feature
parentUpdate event push action and receipt tables to support threads. (#13753) (diff)
downloadsynapse-957e3d74fc70f92bb9ed3c709f87752bf77a8c90.tar.xz
Keep track when we try and fail to process a pulled event (#13589)
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)
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+Keep track when we attempt to backfill an event but fail so we can intelligently back-off in the future.