On Wed, Jun 16, 2010 at 7:08 PM, Mark Watts <m.watts@xxxxxxxxxxxxxxxx> wrote: > > High CPU usage is generally caused by things like PHP which Apache has > no control over. > > strace -p <pid> > > If you run this against the PID stuck at 100%, it should give you some > insight into what apache is doing. If you are lucky, you can match the > PID with a client IP (netstat -p) which will allow you to look in your > logs to see what that client is doing. Thanks for the information.This is not occurring at regular intervals.I noticed it today only. And when this happens I can not do an SSH to the server about whom I am reporting the problem. -- Tapas http://mightydreams.blogspot.com http://wiki.xensource.com/xenwiki/Xen_on_4_app_servers --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx