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authorErik Johnston <erik@matrix.org>2020-10-07 15:15:57 +0100
committerErik Johnston <erik@matrix.org>2020-10-07 17:08:58 +0100
commitfa8934b175467d589dd34fae18639cac0d738fc9 (patch)
treeb47f6e6628a61a5b6689ed576c98ec59b3542a8d /changelog.d
parentAdd Ubuntu 20.10 (Groovy Gorilla) to build scripts. (#8475) (diff)
downloadsynapse-fa8934b175467d589dd34fae18639cac0d738fc9.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`.