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Percona XtraDB Cluster 5.7.14-26.17 GA is now available

 | September 29, 2016 |  Posted In: Events and Announcements, MySQL, Percona Software, Percona XtraDB Cluster, ProxySQL, XtraDB Cluster

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Percona XtraDB Cluster 5.7.14-26.17 GAThis Percona XtraDB Cluster 5.7.14-26.17 GA release is dedicated to the memory of Federico Goncalvez, our colleague with Percona’s Uruguayan team until his tragic death on September 6, 2016.

Fede, we miss you.

Percona announces the first general availability (GA) release in the Percona XtraDB Cluster 5.7 series on September 29, 2016. Binaries are available from the downloads area or our software repositories.

The full release notes are available here.

Percona XtraDB Cluster 5.7.14-26.17 GA is based on the following:

For information about the changes and new features introduced in Percona Server 5.7, see Changed in Percona Server 5.7.

Percona XtraDB Cluster 5.7.14-26.17 GA New Features

This is a list of the most important features introduced in Percona XtraDB Cluster 5.7 compared to version 5.6:

  • PXC Strict Mode saves your workload from experimental and unsupported features.
  • Support for monitoring Galera Library instruments and other wsrep instruments as part of Performance Schema.
  • Support for encrypted tablespaces in Multi-Master Topology, which enables Percona XtraDB Cluster to wire encrypted tablespace to new booting node.
  • Compatibility with ProxySQL, including a quick configuration script.
  • Support for monitoring Percona XtraDB Cluster nodes using Percona Monitoring and Management
  • More stable and robust operation with MySQL and Percona Server version 5.7.14, as well as Galera 3.17 compatibility. Includes all upstream bug fixes, improved logging and more.
  • Simplified packaging for Percona XtraDB Cluster to a single package that installs everything it needs, including the Galera library.
  • Support for latest Percona XtraBackup with enhanced security checks.
Bug Fixes
  • Fixed crash when a local transaction (such as EXPLAIN or SHOW) is interrupted by a replicated transaction with higher priority (like ALTER that changes table structure and can thus affect the result of the local transaction).
  • Fixed DONOR node getting stuck in Joined state after successful SST.
  • Fixed error message when altering non-existent table with pxc-strict-mode enabled.
  • Fixed path to the directory in percona-xtradb-cluster-shared.conf.
  • Fixed setting of seqno in grastate.dat to -1 on clean shutdown.
  • Fixed failure of asynchronous TOI actions (like DROP) for non-primary nodes.
  • Fixed replacing of my.cnf during upgrade from 5.6 to 5.7.
Security Fixes
  • CVE-2016-6662
  • CVE-2016-6663
  • CVE-2016-6664

For more information, see this blog post.

Other Improvements
  • Added support of defaults-group-suffix for SST scripts.

Help us improve our software quality by reporting any bugs you encounter using our bug tracking system. As always, thanks for your continued support of Percona!

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Alexey Zhebel

Alexey works for Percona as a Technical Writer responsible for open source software documentation. He joined the company in March 2015 with almost 8 years of prior experience in writing and managing technical documentation. Before joining Percona, Alexey worked for Oracle on Java SE and Java ME documentation. And before that his writing experience revolved around virtualization and information security software. Alexey has a degree in Electrical Engineering and a supplementary qualification in translation theory (Russian-English). He lives in Saint Petersburg, Russia with his wife and son. He spends his free time practicing and playing ultimate frisbee in a local team.

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