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authorErik Johnston <erik@matrix.org>2020-10-07 15:15:57 +0100
committerGitHub <noreply@github.com>2020-10-07 15:15:57 +0100
commitae5b2a72c09d67311c9830f5a6fae1decce03e1f (patch)
tree47298b27adc6f433eea630e4015633c042131787 /changelog.d
parentUse vector clocks for room stream tokens. (#8439) (diff)
downloadsynapse-ae5b2a72c09d67311c9830f5a6fae1decce03e1f.tar.xz
Reduce serialization errors in MultiWriterIdGen (#8456)
We call `_update_stream_positions_table_txn` a lot, which is an UPSERT
that can conflict in `REPEATABLE READ` isolation level. Instead of doing
a transaction consisting of a single query we may as well run it outside
of a transaction.
Diffstat (limited to 'changelog.d')
-rw-r--r--changelog.d/8456.misc1
1 files changed, 1 insertions, 0 deletions
diff --git a/changelog.d/8456.misc b/changelog.d/8456.misc
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+Reduce number of serialization errors of `MultiWriterIdGenerator._update_table`.