Percona XtraBackup 2.2.4 发布，此版本现已提供在下载页面和Percona Software Repositories。
新特性：
Percona XtraBackup 实现对 Galera GTID auto-recovery 的支持
Bugs 修复：
Percona XtraBackup is now built with system zlib library instead of the older bundled one. Bug fixed #1108016.
apt-get source was downloading older version of Percona XtraBackup. Bug fixed #1363259.
innobackupex would ignore the innobackupex --databases without innobackupex --stream option and back up all the databases. Bug fixed #569387.
rsync package wasn’t a dependency although it is required for the innobackupex --rsync option. Bug fixed #1259436.
innobackupex --galera-info was checking only for non-capitalized wsrep_* status variables which was incompatible with MariaDB Galera Cluster 10.0. Bug fixed #1306875.
Percona XtraBackup would crash trying to remove absent table from InnoDB data dictionary while preparing a partial backup. Bug fixed #1340717.
Percona XtraBackup now supports MariaDB GTID. Bugs fixed #1329539 and #1326967 (Nirbhay Choubey).
MariaDB 10.1 is now added to the list of supported servers. Bug fixed #1364398.
Percona XtraBackup would fail to restore (copy-back) tables that have partitions with their own tablespace location. Bug fixed #1322658.
其他 bug 修复： #1333570, #1326224 和 #1181171。
Percona XtraBackup 2.2.4 发行日志请看在线文档。
XtraBackup 是一个用来备份 MySQL 的 InnoDB 数据库的开源工具。
例如执行增量备份的命令是：
# ./xtrabackup --backup --target-dir=/backup/delta --incremental-basedir=/backup/base
软件详情：http://www.percona.com/doc/percona-xtrabackup/2.2/installation.html
下载地址：http://www.percona.com/downloads/XtraBackup/Percona-XtraBackup-2.2.4/
来自:开源中国社区
