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Percona XtraBackup is an open-source hot backup utility for MySQL - based servers that doesn’t lock your database during the backup.
It can back up data from InnoDB, XtraDB, and MyISAM tables on unmodified MySQL 5.0, 5.1 and 5.5 servers, as well as Percona Server with XtraDB. For a high-level overview of many of its advanced features, including a feature comparison, please see About Percona Xtrabackup.
Whether it is a 24x7 highly loaded server or a low-transaction-volume environment, Percona XtraBackup is designed to make backups a seamless procedure without disrupting the performance of the server in a production environment. Commercial support contracts are available.
Percona XtraBackup is a combination of the xtrabackup C program, and the innobackupex Perl script. The xtrabackup program copies and manipulates InnoDB and XtraDB data files, and the Perl script enables enhanced functionality, such as interacting with a running MySQL server and backing up MyISAM tables. XtraBackup works with unmodified MySQL servers, as well as Percona Server with XtraDB.