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| author | Erik Johnston <erik@matrix.org> | 2020-10-07 15:15:57 +0100 |
|---|---|---|
| committer | Erik Johnston <erik@matrix.org> | 2020-10-07 17:08:58 +0100 |
| commit | fa8934b175467d589dd34fae18639cac0d738fc9 (patch) | |
| tree | b47f6e6628a61a5b6689ed576c98ec59b3542a8d /changelog.d/8456.misc | |
| parent | Add Ubuntu 20.10 (Groovy Gorilla) to build scripts. (#8475) (diff) | |
| download | synapse-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/8456.misc')
| -rw-r--r-- | changelog.d/8456.misc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/changelog.d/8456.misc b/changelog.d/8456.misc new file mode 100644 index 0000000000..ccd260069b --- /dev/null +++ b/changelog.d/8456.misc @@ -0,0 +1 @@ +Reduce number of serialization errors of `MultiWriterIdGenerator._update_table`. |