May 20, 2003 at 9:57 am
Hey All,
I been playing around with the memory counters and am confused by the "Page Faults/sec" counter. I can't seem to find much information on this.
Available Bytes counter is fine, Buffer hit cache ratio is fine, Pages/sec is averaging 0.9 but Page Faults/sec is averaging over 1000!
Should I be worried? These stats were taken over 5 hours.
Cheers,
Clive Strong
May 21, 2003 at 6:21 am
"Page Faults/sec is the overall rate faulted pages are handled by the processor. It is measured in numbers of pages faulted per second. A page fault occurs when a process requires code or data that is not in its working set (its space in physical memory). This counter includes both hard faults (those that require disk access) and soft faults (where the faulted page is found elsewhere in physical memory).
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Most processors can handle large numbers of soft faults without consequence.
However, hard faults can cause significant delays. (Pages/sec)
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This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval."
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