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# MySQL-wsrep 5.7.35-25.27 Release Notes

Release notes for MySQL-wsrep 5.7.35-25.27, a release of Galera Cluster for MySQL 5.7.

Changes in MySQL-wsrep 5.7.35-25.27 (2021-11-15)

Codership is pleased to announce a new GA release of Galera Cluster for MySQL 5.7, consisting of MySQL-wsrep 5.7.35 and wsrep API version 25.

This release incorporates all changes up to MySQL 5.7.35.

Galera Cluster 5.7 is available as targeted packages and package repositories for Debian, Ubuntu, CentOS and RHEL. Obtaining packages using a package repository removes the need to download individual files and facilitates the deployment and upgrade of Galera nodes.

This and future releases will be available from <https://www.galeracluster.com>.

The latest version of MySQL-wsrep 5.7 for FreeBSD will be available in the FreeBSD Ports Collection.

The source repositories and bug tracking are now on <https://github.com/codership/mysql-wsrep>.

Notable changes and fixes in MySQL-wsrep since the latest release 5.7.34-25.26:

* A node hang caused by cluster write conflicts with innodb-thread-concurrency configured were fixed (codership/mysql-wsrep#364).
* A node hang caused by deadlock between TRUNCATE TABLE and a query in cleanup phase was fixed.
* New wsrep\_mode IGNORE\_CASCADING\_FK\_DELETE\_MISSING\_ROW\_ERROR was added to work around applying errors with cascading delete. This is a workaround for <https://bugs.mysql.com/bug.php?id=80821>.
* New SST configuration options donor-timeout and joiner-timeout were added.
* Executing FLUSH TABLES is now allowed also when not in primary component.
* OpenSSL library version has been updated to version 1.1.1l in binary tarball release.

End of life notice:

* Due to little usage pattern building MySQL-wsrep 5.7 packages for SUSE Linux Enterprise Server 12 was discontinued.

The users still running above discontinued platforms are advised to use the binary tarball package.

Known issues with this release:

* Server cannot be started using 'service' command on Debian Stretch.
* InnoDB tablespaces outside of the data directory are not supported, as they may not be copied over during SST.

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