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Maximum VIrtual Memory setting in IIS 6 for Application Pool

Posted on 2008-10-09
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Last Modified: 2012-05-05
In an application pool properties you see the option for Maximum Virtual Memory.  Microsoft defines this as: .  Virtual Memory usage refers to the amount of paged memory written to disk that the worker process uses.   This doesn't corrispond to the VM SIze column in task manager, so how can i monitor this setting in perfmon and/or task manager?
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Question by:ScottGranado
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by:ScottGranado
ID: 22681382
it looks like this should be the perfmon counter "page file bytes" and then i should choose the worker process in order from iisapp.vbs to calculate

explanation:
Page File Bytes is the current amount of virtual memory, in bytes, that this process has reserved for use in the paging file(s). Paging files are used to store pages of memory used by the process that are not contained in other files. Paging files are shared by all processes, and the lack of space in paging files can prevent other processes from allocating memory. If there is no paging file, this counter reflects the current amount of virtual memory that the process has reserved for use in physical memory.
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ScottGranado earned 0 total points
ID: 22682391
ok, it definitely looks like this is NOT page file bytes as this is equal to the VM Size column in Task Manager.  The correct perfmon counter to look at is Virtual Bytes:
Explanation
Virtual Bytes is the current size, in bytes, of the virtual address space the process is using. Use of virtual address space does not necessarily imply corresponding use of either disk or main memory pages. Virtual space is finite, and the process can limit its ability to load libraries.
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