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August 2, 2012
Avoiding SST when adding new Percona XtraDB Cluster node
Some people want to use a backup to prepare a new Percona XtraDB Cluster node. They want this to avoid [...]
July 25, 2012
Percona XtraDB Cluster: Failure Scenarios with only 2 nodes
During the design period of a new cluster, it is always advised to have at least 3 nodes (this is [...]
July 10, 2012
Percona Playback 0.3 development release
I’m glad to announce the third Percona Playback release – another alpha release of a new software package designed to [...]
June 30, 2012
Find unused indexes
I wrote one week ago about how to find duplicate indexes. This time we’ll learn how to find unused indexes [...]
June 28, 2012
Percona Server 5.5.25-27.0 release delayed
Due to a bug in upstream MySQL ( http://bugs.mysql.com/bug.php?id=65745 ), we’ve decided to delay the release of the next Percona Server release [...]
June 24, 2012
Where Percona software goes before it’s released
Where does software go while it’s waiting for release? The answer is: our experimental repository! For anywhere from a few days [...]
June 20, 2012
Find and remove duplicate indexes
Having duplicate keys in our schemas can hurt the performance of our database: They make the optimizer phase slower because [...]
June 20, 2012
Percona XtraDB Cluster reference architecture with HaProxy
This post is a step-by-step guide to set up Percona XtraDB Cluster (PXC) in a virtualized test sandbox. I used [...]
June 19, 2012
Clarification on MySQL security vulnerability
Contrary to initial reports here and here, further investigation has revealed that under some specific and limited circumstances, Percona Server [...]
June 15, 2012
Release 1.0.1 of Percona Monitoring Plugins
Version 1.0.1 of the Percona Monitoring Plugins is released. This is a routine bug-fix release that addresses several minor issues. [...]
June 14, 2012
Comparing Percona XtraDB Cluster with Semi-Sync replication Cross-WAN
I have a customer who is considering Percona XtraDB Cluster (PXC) in a two colo WAN environment. They wanted me [...]
June 12, 2012
Percona Toolkit versions 2.0.5 and 2.1.2 released
The Percona Toolkit team is happy to announce the release of Percona Toolkit versions 2.0.5 and 2.1.2. These are bug-fix [...]
June 11, 2012
NO Security vulnerability in Percona Server / XtraDB Cluster provided binaries
Many of you heard of this nasty security vulnerability in MySQL, and as we are getting a lot of inquiries [...]
June 7, 2012
Announcement of Percona XtraDB Cluster 5.5.24
I am happy to announce next version Percona XtraDB Cluster 5.5.24, which is mostly jump to the current version of [...]
June 6, 2012
Migrating to XtraDB Cluster Webinar follow up questions
Thanks to all who attended my webinar today. The session was recorded and will be available to watch for free [...]
June 2, 2012
How expensive is USER_STATISTICS?
One of our customers asked me whether it’s safe to enable the so-called USER_STATISTICS features of Percona Server in a [...]
June 1, 2012
Announcing Percona Server 5.5.24-26.0
Percona is glad to announce the release of Percona Server 5.5.24-26.0 on June 1st, 2012 (Downloads are available here and from the Percona Software Repositories). [...]
May 30, 2012
Data Compression in InnoDB for Text and Blob Fields
Have you wanted to compress only certain types of columns in a table while leaving other columns uncompressed? While working [...]
May 24, 2012
Announcing Percona Server 5.1.63-13.4
Percona is glad to announce the release of Percona Server 5.1.63-13.4 on May 24th, 2012 (Downloads are available from Percona Server 5.1.63-13.4 [...]
May 24, 2012
Webinar – Migrating to Percona XtraDB Cluster
Whenever I learn about a new technology, I typically want to know the major administrative touch points more than I want [...]