Voytek Eymont wrote:
my web/mail server is experiencing an unusually heavy CPU and memory load,
how can I narrow down what it is ?
I'd suggest here would be a pretty good place to start:
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
4368 apache 20 0 3356 3348 1120 R 62.7 0.3 75:48 perl
Expand your terminal to full screen and hit 'c' in top and it will show
you the command line that proces is running.
The fact that you seem to have a whole heap of perl commands being run
by apache definitely points to something being amiss. An apache restart
will probably fix it, but it's a good idea to see if you can find out
why it's happening in the first place if you can, as in all likelihood
it will recur.
HTH
Craig
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