High server load

hlds nginx-forum at nginx.us
Mon Jun 13 20:53:54 MSD 2011

Sometimes my website is down due to high server load.
htop screenshot:

Sometimes there are php5-fpm processes that take 100% CPU. Why? It
slowes down everything. I also get mysql database errors (too many

How can I determine what causes this?

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,206471,206471#msg-206471

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