What is Peformance Monitor telling me when my page faults / second are high?

Posted by David Robison on Super User See other posts from Super User or by David Robison
Published on 2011-02-01T21:16:50Z Indexed on 2011/02/03 15:28 UTC
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I have a Windows 7 x64 computer that is having performance issues. After some investigation, I have discovered that the page faults / second on it, as reported by Performance Monitor, are really high.

Everything else seems to be normal. Resource Monitor reports no hard faults and lots of available memory.

Is this a potential cause for problems, or is it a red herring? If it is something that could be causing problems, what should I do next to figure out what is causing it?

Here is a screen shot of the Performance Monitor. Notice that the average page faults / second is 75,887. On another computer that does not have problems, this number is closer to 3,000.

Performance Monitor--Page Faults / Second = 75,000!

Here is a screen shot of the Resource Monitor, sorted by hard faults / second, which is currently 0 for all processes.

Resource Monitor--Hard Faults / Second = 0

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