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Are PHP persistent connections evil ?

As you probably know PHP “mysql” extension supported persistent connections but they were disabled in new “mysqli” extension, which is probably one of the reasons some people delay migration to this extension. The reason behind …


A technical WebScaleSQL review and comparison with Percona Server

The recent WebScaleSQL announcement has made quite a splash in the MySQL community over the last few weeks, and with a good reason. The collaboration between the major MySQL-at-scale users to develop a single code …


High Availability with MySQL Fabric: Part I

In our previous post, we introduced the MySQL Fabric utility and said we would dig deeper into it. This post is the first part of our test of MySQL Fabric’s High Availability (HA) functionality. Today, we’ll review …


How to identify and cure MySQL replication slave lag

Here on the Percona MySQL Support team, we often see issues where a customer is complaining about replication delays – and many times the problem ends up being tied to MySQL replication slave lag. This …


Amazon Web Services and HP Keynotes at Percona Live MySQL Conference and Expo

We are very pleased to announce the addition of HP and Amazon Web Services as keynote speakers for the Percona Live MySQL Conference and Expo which is April 22-25 in Santa Clara, California. Amazon Web …


New Keynote Speakers and Sponsors and Applications Open for DotOrg Pavilion for Percona Live MySQL Conference and Expo

I’m pleased to announce the first of the Percona Live MySQL Conference and Expo 2013 keynote speakers and new sponsors including Amazon Web Services, Google, Clustrix, Scalebase, PalominoDB, Database Trends & Applications, and Linux Journal. …


Want a discount to Percona Live?

We’ve given discount coupon codes to all of our Percona Live sponsors, so watch the Twitter tag #perconalive to find discount announcements. Here’s the list of sponsoring organizations: Clustrix Vork Continuent Fusion-io Infobright Pentaho Schooner …


Upcoming Webinar on HandlerSocket

On March 29th, I’ll be giving a webinar whose title is “Understanding HandlerSocket – A NoSQL PlugIn For MySQL”. This is a continuation and extension of the talk I gave during the Percona Live Event …


Pacemaker, please meet NDB Cluster or using Pacemaker/Heartbeat to start a NDB Cluster

Customers have always asked me to make NDB Cluster starts automatically upon startup of the servers. For the ones who know NDB Cluster, it is tricky to make it starts automatically. I know at least …


How Percona does a MySQL Performance Audit

Our customers or prospective customers often ask us how we do a performance audit (it’s our most popular service). I thought I should write a blog post that will both answer their question, so I …