Christian Nygaard wrote: > Howdi I have a server that servers MySQL, Apache and NFS - fairly > standard stuff :). > It has sometimes has some occasional load spikes that often last between > 15min an one hour with load between 5 and 10. I'm running systat and sar > and iostat, how do I find out just which application is causing the > disk/io? Got any helpful hints what you would do to find out which of > the major applications that > is causing it? It'll be MySQL doing indexes I should guess. top should show who is doing stuff. There is also a cool "log every io" trick that you can get working via the "laptop mode" stuff, I did this some time ago but a Google should find it. -Andy
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