August 23, 2014

Solving RPM installation conflicts in CentOS 5 and CentOS 6

Lately we’ve had many reports of the RPM packages for CentOS 5 (mostly) and CentOS 6 having issues when installing different combinations of our products, particularly with Percona Toolkit for MySQL. Examples of bugs related to these issues are lp:1031427 and lp:1051874. These problems arise when trying to install a package from the distribution that […]

Percona RPMS for RedHat 5 / CentOS 5 x86_64

We prepared RPMs of our release for RedHat 5 / CentOS 5 x86_64 platform. http://www.mysqlperformanceblog.com/mysql/RPM/RHEL5/5.0.62/ There was question what patcheset includes and if there is manuals. We have: microsecond resolution in slow-log extended query plan 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 […]

Getting my hands dirty on an OpenStack lab

Like you all may know, OpenStack is currently one of the coolest open source projects, so I was thrilled when I was asked to manage the deployment of an OpenStack lab for internal Percona use. Starting from basically zero, I created tasks in our Jira and assigned them to a pool of volunteer consultants. As usual in […]

Release Candidate Packages for Red Hat Enterprise Linux 7 and CentOS 7 now available

The Percona team is pleased to announce the Release Candidate for Percona Software packages for Red Hat Enterprise Linux 7 and CentOS 7. With more than 1 million downloads and thousands of production deployments at small, mid-size and large enterprises, Percona software is a industry leading distribution that enhances the performance, scale, management and diagnosis […]

Percona XtraDB Cluster 5.6.19-25.6 is now available

Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on July 21st 2014. Binaries are available from downloads area or from our software repositories. We’re also happy to announce that Ubuntu 14.04 LTS users can now download, install, and upgrade Percona XtraDB Cluster 5.6 from Percona’s software repositories. Based on Percona […]

Percona Monitoring Plugins 1.1.4 release

Percona is glad to announce the release of Percona Monitoring Plugins 1.1.4. Changelog: * Added login-path support to Nagios plugins with MySQL client 5.6 (bug 1338549) * Added a new threshold option for delayed slaves to pmp-check-mysql-replication-delay (bug 1318280) * Added delayed slave support to pmp-check-mysql-replication-running (bug 1332082) * Updated Nagios plugins and Cacti script […]

Check for MySQL slave lag with Percona Toolkit plugin for Tungsten Replicator

A while back, I made some changes to the plugin interface for pt-online-schema-change which allows custom replication checks to be written. As I was adding this functionality, I also added the –plugin option to pt-table-checksum. This was released in Percona Toolkit 2.2.8. With these additions, I spent some time writing a plugin that allows Percona […]

How to improve InnoDB performance by 55% for write-bound loads

During April’s Percona Live MySQL Conference and Expo 2014, I attended a talk on MySQL 5.7 performance an scalability given by Dimitri Kravtchuk, the Oracle MySQL benchmark specialist. He mentioned at some point that the InnoDB double write buffer was a real performance killer. For the ones that don’t know what the innodb double write […]

Using Percona Server 5.6 with the Docker open-source engine

There are a couple of posts about setting up Percona XtraDB Cluster on Vagrant and Percona Server on MySQL Sandbox – those are two of the top tools used by the Percona Support team for testing and bug processing among other things. In this post, however, I will show you how to use Docker with […]

Row-based replication, MySQL 5.6 upgrades and temporal data types

Whither your rollback plan? MySQL 5.6 upgrades are in full swing these days and knowing how to safely upgrade from MySQL 5.5 to 5.6 is important. When upgrading a replication environment, it’s important that you can build a migration plan that safely allows for your upgrade with minimal risk — rollback is often a very […]