synapse/changelog.d/11045.bugfix at 84f5d8325704bf8d554e7cbfd4e4d8b4279b139e - mirrors/synapse - Sadium Git

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Erik Johnston 333d6f4e84

Fix race in MultiWriterIdGenerator (#11045 )

The race allowed the current position to advance too far when stream IDs
are still being persisted.

This happened when it received a new stream ID from a remote write
between a new stream ID being allocated and it being added to the set of
unpersisted stream IDs.

Fixes #9424.

2021-10-12 14:27:09 +01:00

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Fix a long-standing bug when using multiple event persister workers where events were not correctly sent down `/sync` due to a race.