Percona Server 5.5.31-30.3发布.2013-05-25.基于MySQL 5.5.31.上个版本是2013-04-1的5.5.30-30.2.5.1还未更新到5.1.69.此版本移植了MariaDB里的支持 Fusion-io补丁以及innodb_read_views_memory和innodb_descriptors_memory两个新变量。
完全改进：
Percona Server 5.5.31-30.3
Percona is glad to announce the release of Percona Server 5.5.31-30.3 on May 24th, 2013. Downloads are available here and from the Percona Software Repositories.
Based on MySQL 5.5.31, including all the bug fixes in it, Percona Server 5.5.31-30.3 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 release can be found in the 5.5.31-30.3 milestone at Launchpad.
New Features
Percona Server has ported the Atomic write support for Fusion-io devices patch from MariaDB. This feature adds atomic write support fordirectFSfilesystem onFusion-iodevices. This feature implementation is considered BETA quality.
Percona Server has introduced innodb_read_views_memory and innodb_descriptors_memory status variables in the Extended Show Engine InnoDB Status to improve InnoDB memory usage diagnostics.
Bug Fixes
Fix for bug #1131187 introduced a regression that could cause a memory leak if query cache was used together with InnoDB. Bug fixed #1170103.
FixedRPMpackaging regression that was introduced with the fix for bug #710799. This regression caused mysql schema to be missing after the cleanRPMinstallation. Bug fixed #1174426.
Fixed thePercona-Server-shared-55andPercona-XtraDB-Cluster-sharedRPMpackage dependences. Bug fixed #1050654.
Fixed the upstream bug #68999 which caused compiling Percona Server to fail on CentOS 5 and Debian squeeze due to olderOpenSSLversion. Bug fixed #1183610.
If a slave was running with its binary log enabled and then restarted with the binary log disabled, Crash-Resistant Replication could overwrite the relay log info log with an incorrect position. Bug fixed #1092593.
Fixed the CVE-2012-5615 vulnerability. This vulnerability would allow remote attacker to detect what user accounts exist on the server. This bug fix comes originally from MariaDB (see MDEV-3909). Bug fixed #1171941.
Fixed the CVE-2012-5627 vulnerability, where an unprivileged MySQL account owner could perform brute-force password guessing attack on other accounts efficiently. This bug fix comes originally from MariaDB (see MDEV-3915). Bug fixed #1172090.
mysql_set_permissionwas failing on Debian due to missinglibdbd-mysql-perlpackage. Fixed by adding the package dependency. Bug fixed #1003776.
Rebuilding Debian source package would fail becausedpatchandautomakewere missing from build-dep. Bug fixed #1023575 (Stephan Adig).
Backported the fix for the upstream bug #65077 from the MySQL 5.6 version, which removed MyISAM internal temporary table mutex contention. Bug fixed #1179978.
下载：http://www.percona.com/downloads/Percona-Server-5.5/LATEST/source/Percona-Server-5.5.31-rel30.3.tar.gz
来自:开源中国社区
