November 26, 2014

5.0.87-build20 Percona binaries

Dear Community, We are pleased to present the 20th build of MySQL server with Percona patches. Comparing to the previous release it has following new features: The build is based on MySQL-5.0.87 innodb_rw_lock.patch is ported from InnoDB Plugin 1.0.3 To be compatible with RedHat RPM repository, the naming scheme has changed to

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5.0.86-build19 Percona binaries

Dear Community, As of today the 19-th build of MySQL server with Percona patches is available. Comparing to the previous release it has following new features: The build is based on MySQL-5.0.86 Fix from Neil Katin to userstatv2.patch fix InnoDB slowness with large queries Fixed bugs in the build: Bug #413858 in Percona patches: “Crash […]

5.0.84-build18 Percona binaries

Dear Community, The 18-th build of MySQL server with Percona patches is available now. Comparing to the previous release it has following new features: The build is based on MySQL-5.0.84 Fixed the issue with CLIENT_STATISTICS New patch innodb_recovery_patches.patch greatly improves recovery time Fixed bugs in the build: Bug #407117 in Percona patches: “any mysql-test fails […]

5.0.83-build17 Percona binaries

Dear Community, The build 17 of MySQL with Percona patches is available. New features in the release: MySQL-5.0.83 is taken as the basis The new patch innodb_use_sys_malloc.patch is added The new patch innodb_split_buf_pool_mutex.patch is added This patch splits the single global InnoDB buffer pool mutex into several mutexes for different purposes. This reduces mutex contention. […]

Performance improvements in Percona 5.0.83 and XtraDB

There was small delay in our releases, part of this time we worked on features I mentioned before: – Moving InnoDB tables between servers – Improve InnoDB recovery time and rest time we played with performance trying to align XtraDB performance with MySQL 5.4 ® and also port all performance fixes to 5.0 tree. So […]

5.0.77 / 5.0.82 -build16 Percona binaries

Dear community, We are pleased to announce the build16 of MySQL server® with Percona patches. Since the build13 there was a couple of customer specific releases, which explains cutover in numbering and a pause between the builds. Also we prepared build for both 5.0.77 and 5.0.82 versions. Since that time new patches were added: profiling_slow.patch […]

Is your server’s performance about to degrade?

I’ve been talking and writing a bit lately about the scaling problems I’m seeing on fast servers running lots of queries. As a rough guide, I’m seeing this in servers running 20k queries per second and higher, lots of memory, lots of CPU cores, and most queries are running faster than one millisecond; some in […]

Percona Server 5.0.90-build21

Dear Community, Percona Server 5.0.90, release 21 is available for use. Comparing to the previous release it has following new features: The build is based on MySQL-5.0.90 Fixed bugs: Fixed Bug #539190 Percona-XtraDB package doesn’t allow libmysqlclient15off Fixed Bug #479106 mysql-5.0.87 + patches-5.0.86 compile fail in ubuntu 9.10 (karmic) Fixed tests mysql, mysql_upgrade, ssl* See […]

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Upgrading MySQL

Upgrading MySQL Server is a very interesting task as you can approach it with so much different “depth”. For some this is 15 minutes job for others it is many month projects. Why is that ? Performing MySQL upgrade two things should normally worry you. It is Regressions – functionality regressions when what you’ve been […]