April 16, 2014

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 […]

Percona-XtraDB-9.1: released and new coming features

Recently Alexandr announced new Percona-XtraDB-9.1 release, and now it is good time to summarize features we have and what is expected soon. This release contains long waited features from 5.0: extended slow.log USER/TABLE/INDEX/CLIENT_STATISTICS + THREAD_STATISTICS ( coming in release-10) Extended slow.log is now even more extended, there is additional information for each query:

That […]

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 […]

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

Example:

[…]

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 […]

MySQL 5.0, 5.1 and Innodb Plugin CPU Efficiency

We’ve recently done benchmarks comparing different MySQL versions in terms of their CPU efficiently in TPC-C like Workload. We did it couple of weeks ago so MySQL 5.0.67, MySQL 5.1.29 and Innodb Plugin 1.0.1 were used which are not very recent, though we do not think results will differ a lot with today versions.

New SpecJAppServer results at MySQL and Sun.

As you likely have seen Sun has posted the new SpecJAppServer Results More information from Tom Daly can be found here These results are quite interesting for me as I worked on some of the previous SpecJAppServer Benchmarks several years ago while being employed by MySQL. These are great results, plus they can be relevant […]