November 23, 2014

Multiple purge threads in Percona Server 5.1.56 and MySQL 5.6.2

Part of the InnoDB duties, being an MVCC-implementing storage engine, is to get rid of–purge–the old versions of the records as they become obsolete.  In MySQL 5.1 this is done by the master InnoDB thread.  Since then, InnoDB has been moving towards the parallelized purge: in MySQL 5.5 there is an option to have a […]

Percona Server 5.1.56-12.7

Percona Server version 5.1.56-12.7 is now available for download. It is based on MySQL 5.1.56 and is the current stable release in the 5.1 series.

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 5.1.54-12.5

Percona Server version 5.1.54-12.5 is now available for download. It is now the current stable release version. Functionality Added or Changed Percona Server 5.1.54-12.5 is based on MySQL 5.1.54. New Features Added: None Other Changes: Added system variable innodb_log_block_size and new value “keep_average” to system variable adaptive_checkpoint in Improved InnoDB I/O Scalability. (Yasufumi Kinoshita) Added new value […]

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 […]

Percona Server 5.1.52-rel11.6

Percona Server version 5.1.52-rel11.6 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 5.1.52-rel11.6 is now based on MySQL 5.1.52.  New Features Added: None  Other Changes: None Bugs Fixed Bug #671764 – […]

Percona Server 5.1.51-rel11.5

Percona Community, Percona Server version 5.1.51-rel11.5 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 5.1.51-rel11.5 is now based on MySQL 5.1.51.  New Features Added: None  Other Changes: None Bugs Fixed  Bug […]

Percona Server 5.1.50-rel12.1

Dear Community, Percona Server version 5.1.50-rel12.1 RC is now available for download. Functionality Added or Changed Percona Server 5.1.50-rel12.1 is now based on MySQL 5.1.50. New Features Added: innodb_lru_dump_restore – Implemented automatic dumping of the buffer pool at specified intervals. innodb_buffer_pool_shm – Implemented option ”innodb_buffer_pool_shm_checksum”; when enabled, shared memory buffer pool is checksum validated. This […]