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Percona XtraBackup 2.3.8

Percona is glad to announce the release of Percona XtraBackup 2.3.8 on April 17th 2017. Downloads are available from our download site and from apt and yum repositories.

This release is the current GA (Generally Available) stable release in the 2.3 series.

New Features

Percona XtraBackup now uses hardware accelerated implementation of crc32 where it is supported.

Percona XtraBackup has implemented new options: xtrabackup --tables-exclude and xtrabackup --databases-exclude that work similar to xtrabackup --tables and xtrabackup --databases options, but exclude given names/paths from backup.

The xbstream binary now supports parallel extraction with the --parallel option.

The xbstream binary now supports following new options: --decrypt, --encrypt-threads, --encrypt-key, and --encrypt-key-file. When --decrypt option is specified xbstream will automatically decrypt encrypted files when extracting input stream. Either --encrypt-key or --encrypt-key-file options must be specified to provide encryption key, but not both. Option --encrypt-threads specifies the number of worker threads doing the encryption, default is 1.

Bugs fixed

xtrabackup would not create fresh InnoDB redo logs when preparing incremental backup. Bug fixed #1669592.

xtrabackup --export can now export tables that have more than 31 index. Bug fixed #1089681.

Unrecognized character \x01; marked by <-- HERE message could be seen if backups were taken with the version check enabled. Bug fixed #1651978.

This documentation is developed in Launchpad as part of the Percona XtraBackup 2.3.
If you spotted inaccuracies, errors, don't understand it or you think something is missing or should be improved, please file a bug.
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