Percona Server 5.1.57-12.8 is now the current stable release in the 5.1 series. It is is based on MySQL 5.1.57.
- Fixed InnoDB I/O code so that the interrupted system calls are restarted if they are interrupted by a signal. InnoDB I/O code was not fully conforming to the standard on POSIX systems, causing a crash with an assertion failure when receiving a signal on
pwrite(). Bug Fixed: LaunchPad: #764395 / MySQL bug #60788 (A. Kopytov)
- The maximum value for
innodb_use_purge_threadshas been corrected to
32(maximum number of parallel threads in a parallelized operation). The innodb_purge_thread patch accepted a value up to 64 for the
innodb_use_purge_threadvariable, leading to an assertion failure for greater than the actual maximum. Bug Fixed: #755017 (L. Biveinis)
- HandlerSocket, a NoSQL plugin for MySQL, has been updated to the latest stable version as April 11th, 2011.
- The list of authors of the plugins used have been corrected. Bug Fixes: #723050 (Y. Kinoshita)
For more information, please see the following links: