Looking for a great opportunity to share your MySQL knowledge with the MySQL community? Here is your chance. Percona is happy to announce that the dates of the Percona Live MySQL London Conference have been set for Dec. 3-4, 2012. Call for speakers is underway and will be open until August 17th, 2012. The conference [...]
Aligning IO on a hard disk RAID – the Theory
June 9, 2011 By 18 Comments
Now that flash storage is becoming more popular, IO alignment question keeps popping up more often than it used to when all we had were rotating hard disk drives. I think the reason is very simple – when systems only had one bearing hard disk drive (HDD) as in RAID1 or one disk drive at [...]
Sample datasets for benchmarking and testing
February 1, 2011 By 17 Comments
Sometimes you just need some data to test and stress things. But randomly generated data is awful — it doesn’t have realistic distributions, and it isn’t easy to understand whether your results are meaningful and correct. Real or quasi-real data is best. Whether you’re looking for a couple of megabytes or many terabytes, the following [...]
Impact of the number of idle connections in MySQL
December 17, 2010 By 21 Comments
Be careful with my findings, I appear to have compile in debug mode, I am redoing the benchmarks. Updated version here. I recently had to work with many customers having large number of connections opened in MySQL and although I told them this was not optimal, I had no solid arguments to present. More than [...]
Presentations
May 3, 2006 By
This page is not updated anymore. For new presentations, please check the presentations page on our company website. We love speaking at conferences and other events. Please contact us if you’d like us to present at yours! We can also give internal presentations for your company or group. Sphinx search engine for RDBMS Egypt, December [...]
