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I am trying to hunt down a rogue process that is locking a file in a specific directory which is preventing a log being appended to. This locking happens about one to three times a week, so needless to say I want ProcMon to run for a long time unattended.

Unfortunately, about once an hour ProcMon will start steadily increasing it's memory usage past 2 gb. At this point I do a "Clear Display" and the memory used goes back to ~200 mb.

I have "Drop Filtered Events" turned on.
I have a backing file set to a file on my desktop (which oddly enough never changes from 4mb).
I have the filtering set so that it includes only processes hitting that directory.
I also exclude the 3 processes that should be accessing that directory.

As a side note, when going into the "Process Monitor Backing Files" dialog, this is displayed:

ProcMon load: 100.0% @ p-1717994043 (2,210,277,644...

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1 Answer 1

Drop Filtered Events only filters them... They are still collected...

...However, 2 GB is an awful lot, on my machine, it takes around 5MB of memory. Are you sure you are looking at the correct statistic?

Process Monitor collects a hell of a lot of information every second, and it does store lots of data in the pagefile... if this is low, it may be using your memory.

Unfortunately, I do not think there is anything you can do about this apart from increasing the size of your pagefile.

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I'm pretty sure I'm looking at the correct statistic considering how quick my Free Physical Memory goes down in Task Manager when the spike starts. I mentioned above that I am not backing using the page file. I imagine that means the pagefile usage would be minimal. –  ddechant Jun 29 '11 at 21:51
    
I didn't understand that part... I have never done that and it is most likely the cause... –  William Hilsum Jun 29 '11 at 22:13
    
Thing is, it does it regardless of my backing file setting. –  ddechant Jun 30 '11 at 16:04
    
How big is your pagefile? –  William Hilsum Jun 30 '11 at 16:59
    
The file itself is at 17gb. Task Manager reports using 1.6gb / 24.9gb –  ddechant Jun 30 '11 at 17:56

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