Percona Server for MySQL 5.6.36-82.0 is Now Available

Percona announces the release of Percona Server for MySQL 5.6.36-82.0 on May 12, 2017. Download the latest version from the Percona web site or the Percona Software Repositories. You can also run Docker containers from the images in the Docker Hub repository.

Based on MySQL 5.6.36, and including all the bug fixes in it, Percona Server for MySQL 5.6.36-82.0 is the current GA release in the Percona Server for MySQL 5.6 series. Percona Server for MySQL is open-source and free – this is the latest release of our enhanced, drop-in replacement for MySQL. Complete details of this release are available in the 5.6.36-82.0 milestone on Launchpad.

New Features:

• Percona Server for MySQL 5.6 packages are now available for Ubuntu 17.04 (Zesty Zapus).
• Percona Server for MySQL now supports Prefix Index Queries Optimization.
• tokudb_dir_cmd variable can now be used to edit the TokuDB files.

Bugs Fixed:

• Deadlock could occur in I/O-bound workloads when server was using several small buffer pool instances in combination with small redo log files and variable innodb_empty_free_list_algorithm set to backoff algorithm. Bug fixed #1651657.
• Querying TABLE_STATISTICS in combination with a stored function could lead to a server crash. Bug fixed #1659992.
• tokubackup_slave_info file was created for a master server after taking the backup with Percona TokuBackup. Bug fixed #135.
• Fixed a memory leak in Percona TokuBackup. Bug fixed #1669005.
• Compressed columns with dictionaries could not be added to a partitioned table by using ALTER TABLE. Bug fixed #1671492.
• Fixed a memory leak that happened in case of failure to create a multi-threaded slave worker thread. Bug fixed #1675716.
• The combination of using any audit API-using plugin, like Audit Log Plugin and Response Time Distribution, with multi-byte collation connection and PREPARE statement with a parse error could lead to a server crash. Bug fixed #1688698 (upstream #86209).
• Fix for a #1433432 bug in Percona Server 5.6.28-76.1 caused a performance regression due to suboptimal LRU manager thread flushing heuristics. Bug fixed #1631309.
• Creating Compressed columns with dictionaries in MyISAM tables by specifying partition engines would not result in error. Bug fixed #1631954.
• It was not possible to configure basedir as a symlink. Bug fixed #1639735.
• Replication slave did not report Seconds_Behind_Master correctly when running in multi-threaded slave mode. Bug fixed #1654091 (upstream #84415).
• DROP TEMPORARY TABLE would create a transaction in binary log on a read-only server. Bug fixed #1668602 (upstream #85258).
• Creating a compression dictionary with innodb_fake_changes enabled could lead to a server crash. Bug fixed #1629257.

Other bugs fixed: #1660828 (upstream #84786), #1664519 (upstream #84940), #1674299, #1683456, #1670588 (upstream #84173), #1672389, #1674507, #1674867, #1675623, #1650294, #1659224, #1660565, #1662908, #1669002, #1671473, #1673800, #1674284, #1676441, #1676705, #1676847 (upstream #85671), #1677130 (upstream #85678), #1677162, #1678692, #1678792, #1680510 (upstream #85838), #1683993, #1684012, #1684078, #1684264, and #1674281.

Release notes for Percona Server for MySQL 5.6.36-82.0 are available in the online documentation. Please report any bugs on the launchpad bug tracker.