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Exchange 2007 Physical Memory and Page File usage Question

Posted on 2008-10-13
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Last Modified: 2008-10-14
Hey everyone, here's a quick question that I just want to bounce off a few other people that deal with Exchange and may have more experience with it then I do.

Here's the ingredient list:

Server 2003 Standard x64
8GB of RAM
10,000 RPM drives for both the OS and the DB stores
Exchange Server 2007 Standard
Symantec Information Foundation Mail Security for Microsoft Exchange (Aka Mail Security for Exchange)
113 Mailboxes (of which 10 people use Exchange, and ~10 people use POP3, and  the rest just sort of sit there never really being used...sigh)

Okay, here's my issue / question.  When checking Task Manager I see my Physical Memory just decimated. In fact we just did a upgrade from 4GB to 8GB's because we were checking and seeing Available Physical Memory at about 80MB.  After the 8GB upgrade we still see it get low, but it doesn't seem to get much lower then 500MB.  Which I agree with a lot of people when they say, "You put all that RAM in there, don't you want it to use it?" and sure, I don't mind if Exchange is just a hungry little piggy, but I start to worry when I see the Page file at 9GB.

Is this still in check?  Or might this be excessive memory usage?
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Question by:Evil_RSA
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LeeDerbyshire earned 500 total points
ID: 22702659
Are you looking at the indicator that says 'PF Usage'?  That caption is incorrect, since it actually indicates total memory usage.  And yes, Exchange love to use as much memory as you can throw at it.
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by:Evil_RSA
ID: 22710771
So just to check; after running for 18 hours, these numbers are still considered to be okay?

Store.exe
Mem Usage.............5,118,856 K
Peak Mem Usage....5,321,956 K

Physical Memory (K)
Total...................8387572
Available..............449076
System Cache.....517208

CPU usage is always nice and happy though, roughly averaging 1%
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by:LeeDerbyshire
ID: 22710808
Yes, it seems typical.  I have several development servers with only one or two mailboxes on.  The memory usage is generally 3GB out of 4GB physical on each one.  There are plenty of similar tales here in EE, too.  Try searching the site.
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Author Comment

by:Evil_RSA
ID: 22710846
Thanks a bunch.  I admit I normally do a much better job of searching, but with the new Exchange server 2007 freshly configured and the whole domain transfer from one domain name to another and transfer of all server roles to new systems PDC, DNS, etc, I was just took the cop out and did the minimum amount of searching (Google, and EE) got a few conflicting results, a lot of information regarding similar issues with Exchange 2003 and said "I'm just going to ask"

Thanks again.
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