… loops is something i would consider last resort tuning, the performance improvements it provides is typically rather limited and can be… Linux process scheduler you can be looking at 500.000+ context switches which system can do. I would look at some 200.000 context switches a second as the point where context switching itself can…
Post: SHOW INNODB STATUS walk through
July 17, 2006 By 40 Comments
…prints out a lot of internal Innodb performance counters, statistics, information about transaction processing …time running spin locks and doing unneeded context switches. The next section is about deadlock errors: … by threads running queries. On Unix/Linux you will always see 4 helper threads…
