So lets say you upgraded from MySQL 5.1 to Percona Server 5.5 and instead of expected performance improvement you see your performance being worse. What should you do ? First if you followed MySQL upgrade best practices such as testing your workload with pt-upgrade the chances of this happening are rather slim. But lets assume [...]
Speaking at MySQL Meetup in Charlotte,NC
February 6, 2012 By Leave a Comment
February is going to be a busy meetup month for me. In addition to speaking in Raleigh I will visit Charlotte to speak at Meetup out there on February 23rd. Last year I visited Charlotte meetup was in the great place and we had great food and great crowd of people showing up. I will [...]
Speaking at MySQL Meetup in Raleigh,NC
January 30, 2012 By 2 Comments
I’ll be presenting at MySQL Meetup in Raleigh,NC February 21,2012. The talk with be about Optimizing MySQL Configuration which I believe is a great topic for my first talk at this meetup group as it covers something every MySQL user has to deal with, also being something both beginner and advanced MySQL Users can learn [...]
Schedule for MySQL Conference 2012 is Published
January 25, 2012 By 3 Comments
I am pleased to announce the schedule for Percona Live: MySQL Conference And Expo 2012 is now published. This is truly great selection of talks with something for MySQL Developers, DBAs, Managers, people just starting to use MySQL as well as looking for advanced topics. We have talks about running MySQL on extremely large scale [...]
Slides from Percona Live, Washington, DC are available
January 20, 2012 By 7 Comments
If you’ve missed Percona Live in Washington,DC and even if you did not you should be happy to know we have now published slides from majority of talks at this conference. Enjoy! This conference had great talks, whenever you’re Beginner or Advanced when it comes to MySQL. Also remember not to miss MySQL Conference in [...]
Is your MySQL Application having Busy IO by Oracle Measures ?
January 8, 2012 By 1 Comment
Preparing Choosing Storage Systems for MySQL talk for Percona Live in Washington,DC I ran into great paper called Sane SAN 2010 by James Morle from Scale Abilities – and Oracle consulting company. It is worth to read for variety of reason yet for this post I wanted to mention what James calls “Busy” Oracle database [...]
Time for Zero Administration effort at MySQL ?
January 8, 2012 By 4 Comments
Preparing Optimizing MySQL Configuration talk for Percona Live in Washington,DC I noticed how many Variables did MySQL get over years – it is pushing 400 these days even if we do not count variables/options which do not have matching SHOW VARIABLES value, and settings done by changing tables rather than command line options (like much [...]
Looking for RAID Controller without Battery Learning problems ?
January 5, 2012 By 7 Comments
A lot have been written about Battery Learning Cycle problems and its impact to MySQL Performance. Here are couple of links (1,2). It is good to see though there are some controllers coming out which solve this problem, namely Adaptec 5Z series controllers (Z stands for Zero Maintenance). This is not quite new technology they [...]
Hijacking Innodb Foreign Keys
January 2, 2012 By 2 Comments
I guess I’m first to post in 2012 so Happy New Year all blog readers ! Now back to HardCore MySQL business – foreign Keys. MySQL supported Foreign Keys for Innodb for many years, yet rudimentary support initially added in MySQL 3.23.44 have not been improved in new releases as much as I’d like. We [...]
Solving INFORMATION_SCHEMA slowness
December 23, 2011 By 16 Comments
Many of us find INFORMATION_SCHEMA painfully slow to work it when it comes to retrieving table meta data. Many people resort to using file system tools instead to find for example how much space innodb tables are using and things like it. Besides being just slow accessing information_schema can often impact server performance dramatically. The [...]
