July 30, 2014

Percona Server 5.5.13-20.4 Stable Release

Percona is glad to announce the release of Percona Server 5.5.13-20.4 on July 1st, 2011 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.13, Percona Server Percona Server 5.5.13-20.4 is now the current stable release in the 5.5 series. All of Percona’s software is open-source and free, all the details of the […]

Percona Server 5.5.12-20.3 Stable Release

Percona is glad to announce the release of Percona Server 5.5.12-20.3 on June 9, 2011 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.12, Percona Server 5.5.12-20.3 is now the current stable release in the 5.5 series. Other Changes The list of authors of the plugins used have been corrected. Bug Fixes:#723050 (Y. Kinoshita) […]

Percona Server 5.5.11-20.2 Stable Release

Percona Server 5.5.11-20.2 is now available for download, including an experimental build for MacOS. Released on April 28, 2011, it is the current stable release in the the 5.5 series. New Features HandlerSocket, a NoSQL plugin for MySQL, has been updated to the latest stable version as April 11th, 2011. InnoDB fast index creation now […]

Percona Server 5.1.55-12.6

Percona Server version 5.1.55-12.6 is now available for download. It is now the current stable release version. Changes Fixed compiler warnings in both the core server and in XtraDB. (Alxey Kopytov, Yasufumi Kinoshita) Bugs Fixed Bug #602047 – The ROWS_READ columns of TABLE_STATISTICS and INDEX_STATISTICS were not properly updated when a query involved index lookups […]

Percona Server 5.1.53-12.4

Percona Server version 5.1.53-12.4 is now available for download. It is now the current stable release version. Functionality Added or Changed  Percona Server 5.1.53-12.4 is based on MySQL 5.1.53.  New Features Added: Precompiled UDFs for Maatkit (FNV and MurmurHash hash functions to provide faster checksums) are now included in distributions. Fixes feature request #689992. (Aleksandr Kuzminsky) […]

Percona Server 5.1.53-11.7

Percona Server version 5.1.53-11.7 is now available for download. The main purpose of this release is to update the current Percona stable release to the latest version of MySQL 5.1. Functionality Added or Changed  Percona Server 5.1.53-11.7 is now based on MySQL 5.1.53.  New Features Added: None  Other Changes: None Bugs Fixed Bug #643149 – […]

Percona Server 5.1.52-12.3

Percona Server version 5.1.52-12.3 is now available for download. The main purpose of this release is to update the current Percona release candidate to the latest version of MySQL 5.1. The release also includes the HandlerSocket plugin, which provides NoSQL features in Percona Server. Functionality Added or Changed Percona Server 5.1.52-12.3 is now based on […]

Call for opinions: Do we need MySQL 5.0 with MySQL 5.4 performance

MySQL 5.4 comes with Innodb engine which seems to have much better performance than MySQL 5.0 – this is due to locking and IO patches from Google integrated in this release (which are similar to appropriate Percona patches) as well as some unique fixes such as different innodb_thread_concurrency handling and other optimization. Should we take […]

MySQL 5.1 is to reach GA state – all to arms !

MySQL 5.1 was in RC stage for around 10 months now finally planned to be released as GA soon. As Monty Says MySQL 5.1.26 will be renamed as GA if no serious bugs are discovered. Lets help MySQL to ensure GA release will be indeed GA quality and support Monty in his call to ensure […]

MySQL 4 to MySQL 5 Upgrade performance regressions

This week I already had two serious performance regression cases when upgrading from MySQL 4.0 and 4.1 to MySQL 5.0. By serious I mean several times performance difference not just 5-10% you often see for simple queries due to generally fatter code. The problem in both cases was MySQL 5.0 broken group commit bug. First […]