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Percona XtraDB Cluster 5.7.17-27.20

Percona is glad to announce the release of Percona XtraDB Cluster 5.7.17-27.20 on March 16, 2017. Binaries are available from the downloads section or from our software repositories.

Percona XtraDB Cluster 5.7.17-27.20 is now the current release, based on the following:

All Percona software is open-source and free. Details of this release can be found in the 5.7.17-27.20 milestone on Launchpad.

Fixed Bugs

  • BLD-512: Fixed startup of garbd on Ubuntu 16.04.2 LTS (Xenial Xerus).

  • BLD-519: Added the garbd debug package to the repository.

  • BLD-569: Fixed grabd script to return non-zero if it fails to start.

  • BLD-570: Fixed service script for garbd on Ubuntu 16.04.2 LTS (Xenial Xerus) and Ubuntu 16.10 (Yakkety Yak).

  • BLD-593: Limited the use of rm and chown by mysqld_safe to avoid exploits of the CVE-2016-5617 vulnerability. For more information, see #1660265.

Credit to Dawid Golunski (

  • BLD-610: Added version number to the dependency requirements of the full RPM package.

  • BLD-643: Fixed systemctl to mark mysql process as inactive after it fails to start and not attempt to start it again. For more information, see #1662292.

  • BLD-644: Added the which package to Percona XtraDB Cluster dependencies on CentOS 7. For more information, see #1661398.

  • BLD-645: Fixed mysqld_safe to support options with a forward slash (/). For more information, see #1652838.

  • BLD-647: Fixed systemctl to show correct status for mysql on CentOS 7. For more information, see #1644382.