April 20, 2014

Basic performance and diagnostic tools on Solaris

Much has been written about tools to inspect Linux systems, and much has been written about Solaris’s Big Important Tools such as DTrace. But I don’t recall seeing much in the MySQL blogs about basic tools to find one’s way around a Solaris system and discover the system, get fundamental performance, configuration, and status information, […]

Tools and tips for analysis of MySQL’s Slow Query Log

MySQL has a nice feature, slow query log, which allows you to log all queries that exceed a predefined about of time to execute. Peter Zaitsev first wrote about this back in 2006 – there have been a few other posts here on the MySQL Performance Blog since then (check this and this, too) but […]

MySQL performance optimization: Don’t guess! Measure with Percona Cloud Tools

In our practice we often see that MySQL performance optimization is done in a sort of “black magic” way. A common opinion is: “If there is a performance problem – then it must be a database issue, because what else could it be? And if this is a database issue, then it must involve IO […]

MySQL Workshops: Chicago & London this April

Percona will be in Chicago and London the week of April 8th delivering two 2-day MySQL workshops. For our MPB readers, we are offering a 15% discount. Just use MPB15A when purchasing your tickets to one or both MySQL workshops. Scaling and Optimization for MySQL on Monday & Tuesday, April 8 & 9 This MySQL workshop […]

Percona Live Keynote Speaker: Mark Callaghan

Mark Callaghan has graciously accepted to be the closing keynote speaker for Percona Live: San Francisco! Mark is best known for his work behind MySQL @ Facebook, where he and his team maintain one of the largest MySQL installations around.  They also contribute back to the community with a publicly available branch of enhancements, improved […]

PERFORMANCE_SCHEMA vs Slow Query Log

A couple of weeks ago, shortly after Vadim wrote about Percona Cloud Tools and using Slow Query Log to capture the data, Mark Leith asked why don’t we just use Performance Schema instead? This is an interesting question and I think it deserves its own blog post to talk about. First, I would say main […]

How to recover table structure from .frm files with MySQL Utilities

Table structures are stored in .frm files and in the InnoDB Data Dictionary. Sometimes, usually in data recovery issues, we need to recover those structures to be able to find the lost data or just to recreate the tables. There are different ways to do it and we’ve already written about it in this blog. […]

My Percona Live UK 2013 Tutorial: MySQL DBA In A Nutshell! Hands On!

Do you want to get more familiar on how to become a MySQL DBA? Are you a developer familiar with writing applications that use MySQL but you feel a bit limited on how to  manage a MySQL Database? I would like to invite you in my tutorial ‘MySQL DBA In A Nutshell! Hands On! ‘ at Percona […]

Schema changes – what’s new in MySQL 5.6?

Among many of the improvements you can enjoy in MySQL 5.6, there is one that addresses a huge operational problem that most DBAs and System Administrators encounter in their life: schema changes. While it is usually not a problem for small tables or those in early stages of product life cycle, schema changes become a […]

MySQL 5.6: Improvements in the Nutshell

Preparing for my talk for Percona MySQL University in Raleigh,NC, Tuesday 29th of January I have created the outline of improvements available in MySQL 5.6 which I thought was worth sharing to give a feel for how massive work have been done for this release in variety of areas. I’m sure the list is not […]