Percona XtraBackup enables MySQL backups without blocking user queries, making it ideal for companies with large data sets and mission-critical applications that cannot tolerate long periods of downtime. Offered free as an open source solution, Percona XtraBackup drives down backup costs while providing unique features for MySQL backups.
- Percona XtraBackup was vulnerable to MITM attack which could allow exfiltration of MySQL configuration information via
--version-checkoption. This vulnerability was logged as CVE 2015-1027. Bug fixed #1408375.
xtrabackup_galera_infofile isn’t overwritten during the Galera auto-recovery. Bug fixed #1418584.
- Percona XtraBackup man pages are now included with binary packages. Bug fixed #1156209.
- Percona XtraBackup now sets the maximum supported session value for
lock_wait_timeoutvariable to prevent unnecessary timeouts when the global value is changed from the default. Bug fixed #1410339.
- New option
--backup-locks, enabled by default, has been implemented to control if backup locks will be used even if they are supported by the server. To disable backup locks innobackupex should be run with
innobackupex --no-backup-locksoption. Bug fixed #1418820.
Release notes with all the bugfixes for Percona XtraBackup 2.2.9 are available in our online documentation. Bugs can be reported on the launchpad bug tracker. Percona XtraBackup is an open source, free MySQL hot backup software that performs non-blocking backups for InnoDB and XtraDB databases.