June 19, 2013

Comment: Debugging sleeping connections with MySQL

in a PHP driven website). If there is a bottleneck, a vicious cycle occurs: 1. apache requests increase 2. mysql queries increase 3. mysql slow queries

Post: Goal driven performance optimization

MySQL log you may find some queries which are slowin this case we could spend a lot of time optimizing PHP code but because it takes only 10% of response time in…down to 5 minutes or even 1 …2419 | 45.388828675971 | 0.9226436892381 | | 09 | 4810 | 6.330725168364 | 0.60329631087965 | | 10 | 5445 | …

Post: Heikki Tuuri answers to Innodb questions, Part II

slow it down. Plus there were bunch of micro optimizations in Innodb in 5.0 series. Also note the “Auto Increment Issue” is finally solved in 5.1in it was only recently found and fixed: http://bugs.mysql.com/bug.phpMySQL bugs opened about multi-core scalability (concurrent queries

Comment: Wishes for new "Pure PHP" MySQL driver

in account. Server can’t really profile if page has queriesMySQL to something else is probably less than rewriting them from PHPMySQL protocol supporting persistent connections would automatically allow to take advantage of it :) 6/7) I do not agree. Inslow