Percona XtraDB Cluster 5.7.40-31.63 (2022-12-29)¶

Release date	December 29, 2022
Install instructions	Install Percona XtraDB Cluster
Download this version	Percona XtraDB Cluster

Percona XtraDB Cluster (PXC) supports critical business applications in your public, private, or hybrid cloud environment. Our free, open source, enterprise-grade solution includes the high availability and the security features your business requires to meet your customer expectations and business goals.

Release highlights¶

Percona XtraDB Cluster is based on Percona Server for MySQL. Find a complete list of improvements and bug fixes in the Percona Server for MySQL 5.7.40-43 (2022-11-28).

The improvements and bug fixes for MySQL 5.7.40, provided by Oracle, and included in Percona Server for MySQL are the following:

ISO 8601 timestamps in log messages did not consider daylight saving time when --log-timestamps=SYSTEM was used.
The GRANT OPTION privilege was treated as related to database operations.
In specific cases, a TRUNCATE TABLE operation failed to release an acquired mutex.
A descending b-tree scan raised a debug assertion failure in debug builds.

Find the full list of bug fixes and changes in the MySQL 5.7.40 Release Notes.

Bug fixes¶

PXC-3821 : A fix to prevent the replication of a Performance Schema table truncation across the cluster.
PXC-512 : Replication slave from Percona XtraDB Cluster can exit if wsrep_forced_binlog_format=ROW.
PXC-4077 : Skipping transactions with an empty GTID event introduced GTID inconsistencies between PXC nodes.
PXC-4087 : A replicated transaction that aborted a local transaction while that transaction executed a rollback caused a server exit.

Useful links¶

The Percona XtraBackup GitHub location

Contribute to the documentation

Contact us

For free technical help, visit the Percona Community Forum.

To report bugs or submit feature requests, open a JIRA ticket.

For paid support and managed or consulting services , contact Percona Sales.

Last update: 2022-12-29