April 21, 2014

Optimizing MySQL Performance: Choosing the Right Tool for the Job

Next Wednesday, I will present a webinar about MySQL performance profiling tools that every MySQL DBA should know. Application performance is a key aspect of ensuring a good experience for your end users. But finding and fixing performance bottlenecks is difficult in the complex systems that define today’s web applications. Having a method and knowing how […]

A conversation with 5 Facebook MySQL gurus

Facebook, the undisputed king of online social networks, has 1.23 billion monthly active users collectively contributing to an ocean of data-intensive tasks – making the company one of the world’s top MySQL users. A small army of Facebook MySQL experts will be converging on Santa Clara, Calif. next week where several of them are leading […]

Many-table joins in MySQL 5.6

I recently worked on an uncommon slow query: less than 100 rows were read and returned, the whole dataset was fitting in memory but the query took several seconds to run. Long story short: the query was a join involving 21 tables, running on MySQL 5.1. But by default MySQL 5.1 is not good at […]

Oracle’s Morgan Tocker opens up about MySQL development, MySQL 5.7

Today’s post features an interview with Morgan Tocker, MySQL community manager at Oracle. Morgan is an old friend of Percona, having worked here as director of MySQL training from 2009 to 2011. He’s also done stints at MySQL, Sun Microsystems and InPowered. You can follow his adventures at his blog, “Master MySQL.”  You can also […]

Calvin Sun on MySQL at Twitter, Percona Live 2014 and Facebook

Twitter’s Calvin Sun (@Calvinsun2012) is looking forward to the fast-approaching Percona Live MySQL Conference and Expo this April 1-4 in Santa Clara, Calif. He’ll be speaking, yes, but he’s also looking forward to learning from his peers – particularly those at Facebook. Both companies, he explained, are in the rather unique positions of unprecedented rapid […]

Quick installation guide for Percona Cloud Tools for MySQL

Here in Percona Support, we’re receiving several requests per day for help with Percona Cloud Tools installation steps. So I decided to prepare a step-by-step example of the installation process with some comments based on experience.  Percona Cloud Tools is a hosted service providing access to query performance insights for all MySQL uses. After a […]

Percona team to attend Buenos Aires MySQL conference Oct. 15-16

This is to announce that me and Daniel Nichter (Lead of Percona Toolkit) are coming to the MYSQL NOSQL & CLOUD CONFERENCE & EXPO in Buenos Aires, Argentina on Oct. 15-16. There also will be local Percona experts in attendance. Talks from Percona include: Percona XtraDB Cluster – Basic installation and setup by Martín Arrieta […]

MySQL and Hadoop integration

Dolphin and Elephant: an Introduction This post is intended for MySQL DBAs or Sysadmins who need to start using Apache Hadoop and want to integrate those 2 solutions. In this post I will cover some basic information about the Hadoop, focusing on Hive as well as MySQL and Hadoop/Hive integration. First of all, if you […]

Follow these basics when migrating to Percona XtraDB Cluster for MySQL

Galera/Percona XtraDB Cluster (PXC) for MySQL is a hot thing right now and some users jump right in without enough testing. Consequently, they’re more likely to either suffer failure or issues that prevent them from moving forward. If you are thinking of migrating your workload to Percona XtraDB Cluster, make sure to go through these […]

High-load problems? Investigate them with ‘pt-query-digest’

I had the chance to work on an interesting case last week, and I thought I’d share what I think is a little known goodie from Percona Toolkit for MySQL called pt-query-digest. One customer was suffering from periods of high load on their database server, leading to degraded application performance, and sometimes even short moments […]