summary refs log tree commit diff
path: root/changelog.d/8456.misc
diff options
context:
space:
mode:
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/8456.misc
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/8456.misc')
-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
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`.