Search Results

Another thought I've had is this.

If you can afford to you could stop cron from the command line and see if the spikes go away.

If you can't do that (because you need the cron scheduled...

So sar as suggested is a good idea because it might tell you that.

sar I agree is a good idea. Does the CPU spike coincide with an I/O spike??

In my experience this is likely to be kernel element feature. For example, are you watching the cron process itself...