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Accessing Percona XtraDB Cluster nodes in parallel from PHP using MySQL asynchronous queries

 | March 6, 2013 |  Posted In: MySQL, XtraDB Cluster

This post is followup to Peter’s recent post, “Investigating MySQL Replication Latency in Percona XtraDB Cluster,” in which a question was raised as to whether we can measure latency to all nodes at the same time. It is an interesting question: If we have N nodes, can we send queries to nodes to be executed in […]

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Announcing Percona XtraDB Cluster 5.5.29-23.7.2

 | February 13, 2013 |  Posted In: MySQL, Percona Software, XtraDB Cluster

Percona is glad to announce the release of Percona XtraDB Cluster 5.5.29-23.7.2 on February 13th, 2013. Binaries are available from downloads area or from our software repositories. Bugs fixed: DML operations on temporary tables would try to append the key for provider library, which could cause a memory leak. Bug fixed for MyISAM temporary tables, […]

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Announcing Percona XtraDB Cluster 5.5.29-23.7.1

 | January 30, 2013 |  Posted In: Events and Announcements, MySQL, Percona Software, XtraDB Cluster

Percona is glad to announce the release of Percona XtraDB Cluster on January 30th, 2013. Binaries are available from downloads area or from our software repositories. Bugs fixed: In some cases when node is recovered variable threads_running would become huge. Bug fixed #1040108 (Teemu Ollakka). Variable wsrep_defaults_file would be set up to the value in […]

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How to start a Percona XtraDB Cluster

 | January 29, 2013 |  Posted In: Percona Software, XtraDB Cluster

Before version 5.5.28 of Percona XtraDB Cluster, the easiest way was to join the cluster using wsrep_urls in [mysqld_safe] section of my.cnf. So with a cluster of 3 nodes like this : node1 = 192.168.1.1 node2 = 192.168.1.2 node3 = 192.168.1.3 we defined the setting like this :

With that line above in my.cnf […]

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A closer look at Percona XtraDB Cluster for MySQL

 | December 4, 2012 |  Posted In: Events and Announcements, MySQL, Percona Software, XtraDB Cluster

The Web And PHP Magazine just published an article describing Percona XtraDB Cluster written by Liz van Dijk and Kenny Gryp. It is a pretty high-level introduction to the technology, so definitely give it a read if you’ve been wanting to give it a closer look. Go to their website http://www.webandphp.com and download Issue number 9 for free! […]

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Percona Live London 2012: Percona XtraDB Cluster in a nutshell

 | November 30, 2012 |  Posted In: Events and Announcements, MySQL, Percona Software, XtraDB Cluster

On Monday I will deliver with Seppo Jaakola from Codership a tutorial on Percona XtraDB Cluster (Percona Server + Galera). Already in London and you don’t know how to consume the hotel’s bandwidth ? If you attend this tutorial, you can download the Virtual Box appliance we will use during the session.

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