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Percona XtraDB Cluster 5.7.23-31.31

This release has been superseded by 5.7.23-31.31.2 after a critical regression was found.

Please update to the latest release.

Percona is glad to announce the release of Percona XtraDB Cluster 5.7.23-31.31 on September 26, 2018. Binaries are available from the downloads section or from our software repositories.

Percona XtraDB Cluster 5.7.23-31.31 is now the current release, based on the following:


The following variables are deprecated starting from this release:

  • wsrep_convert_lock_to_trx

This variable, which defines whether locking sessions should be converted to transactions, is deprecated in Percona XtraDB Cluster 5.7.23-31.31 because it is rarely used in practice.

Fixed Bugs

  • PXC-1017: Memcached access to InnoDB was not replicated by Galera

  • PXC-2164: The script prevented SELinux from being enabled

  • PXC-2155: wsrep_sst_xtrabackup-v2 did not delete all folders on cleanup

  • PXC-2160: In some cases, the MySQL version was not detected correctly with the Xtrabackup-v2 method of .

  • PXC-2199: When the DROP TRIGGER IF EXISTS statement was run for a not existing trigger, the node GTID was incremented instead of the cluster GTID.

  • PXC-2209: The compression dictionary was not replicated in PXC.

  • PXC-2202: In some cases, a disconnected cluster node was not shut down.

  • PXC-2165: could fail if either wsrep_node_address or wsrep_sst_receive_address were not specified.

  • PXC-2213: NULL/VOID DDL transactions could commit in a wrong order.