…operating parameters are. Can…database. The first step is to find out what MySQL…run the following: wget http://hackmysql.com/scripts/mysqlsla perl mysqlsla -lt slow /path/to/slow.log…MySQL Proxy, packet sniffing, or other techniques to get more information than the slow log…be changed. Queries…on while …
Post: The new cool MySQL patch has landed! Check your queries performance!
October 31, 2007 By 16 Comments
…LOGGING OF THE REPLICATED STATEMENTS Normally MySQL will not write into slow log any queries executed by the slave’s SQL thread. This patch allows you to change that behavior with the new parameter –log-slow…run successfully under stress with both synthetic benchmarks and real database…
Post: Updated msl (microslow) patch, installation walk-through!
April 20, 2008 By 17 Comments
…mysql-5.0.51a) % su root Password: First you should apply the changes to the database configuration, specifically you need to enable slow logging…database configuration, load, etc. Configuration There are several parameters related to slow log…
Post: Detailed review of Tokutek storage engine
April 28, 2009 By 21 Comments
…run some benchmarks. Tuning of TokuDB is much easier than InnoDB, there only few parameters to change, and actually out-of-box things running…logs put into mysql, application performance logs to more complex log like clicks, user movements and actions on site, visits tracking etc. While…
Post: SHOW INNODB STATUS walk through
July 17, 2006 By 40 Comments
…while workload being IO bound still. Next, number of file IO operations is shown as well as computed averages. This is parameters…log sequence, all changes up to which has been flushed from buffer pool. Changes having higher log sequences may still only be recored in logs…Database…
Comment: Database problems in MySQL/PHP Applications
August 11, 2006 By 13 Comments
… parameters…While…MySQL Could be slow with Large Tables article. Deciding whether or not to let the database…changes are being made on the master and all those changes…database with reasonable > amount of data in it. And do run EXPLAIN for your queries, especially > if you see them in slow query log…
Post: Analyzing air traffic performance with InfoBright and MonetDB
October 2, 2009 By 50 Comments
…example I also run the same …version: 5.1.14-log build number (… is: mysql -S /tmp/mysql-ib.sock …query for any database benchmarker is SELECT…rows, the slowness here is similar …. Results with changes: Years, InfoBright, MonetDB … pass query as parameter, otherwise I… I understand), while InfoBright ICE …
