… memory leaks in microslow and userstats patches, the leak appeared under some workloads. The -percona release includes: | innodb_check_defrag.patch | Session status to… #29126 fix | | microslow_innodb.patch | Extended statistics in slow.log | 1.1 | Percona | GPL | | | mysqld_safe_syslog.patch | Patch allows redirect output of error.log to syslog…
Post: Percona build7 with latest patches
November 14, 2008 By 26 Comments
… #29126 fix | | microslow_innodb.patch | Extended statistics in slow.log | 1.1 | Percona | GPL | | | mysqld_safe_syslog.patch | Patch allows redirect output of error.log to syslog-ng | 1.0 | Percona…
Post: New patches, new builds
September 5, 2008 By 24 Comments
…_syslog.patch | Patch allows redirect output of error.log to syslog-ng | 1.0 | Percona | GPL | Ported from Debian | | microslow_innodb.patch | Extended statistics in slow.log | 1.0 | Percona | GPL | | | split_buf_pool_mutex_fixed_optimistic_safe.patch | InnoDB patch…
Post: Percona builds with Percona patchsets
July 16, 2008 By 35 Comments
…releases include: microslow patch (enables microsecond resolution in slow logs) execution plan (show info about query execution in slow log) InnoDB ….26-percona.tar.bz2 md5:0574b38755786a97bc476058051cbe82 You can find the individual patches here: http://www.mysqlperformanceblog.com/mysql-patches/…
Post: Impact of logging on MySQL’s performance
February 10, 2009 By 7 Comments
… Percona’s microslow patch immediately a question arises how much logging impacts on performance. When we do performance audit often we log every query… striped disks). Software It was used MySQL 5.0.75-percona-b11 on CentOS release 4.7 MySQL setting There were… from performance degradation caused by the microslow patch itself. Let’s do the same tests but logging to /dev/null. CPU-bound case…
Post: Finding what Created_tmp_disk_tables with log_slow_filter
September 22, 2008 By 3 Comments
… the Percona patched version of MySQL. The microslow patch adds a very useful feature, the ability to log queries by execution plan. log_slow_filter=name Log… examining the slow query log and fixing the queries. More information about the patches is available here http://www.percona.com/percona-lab.html
Post: Percona RPMS for RedHat 5 / CentOS 5 x86_64
July 31, 2008 By 4 Comments
… in slow-log and InnoDB statistics. You can read more here http://www.mysqlperformanceblog.com/2008/04/20/updated-msl-microslow-patch-installation-walk-through/ User / Table / Index statistics (Google’s patch). More here http://www.mysqlperformanceblog…
