Why is Windows 2008 Server Paging when there's plenty of RAM?

Title says it all. I'm attaching graphs. Why would the server need to page if there's more than enough RAM??RAM usagePaging
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amigan_99Network EngineerAsked:
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Cliff GaliherCommented:
Short answer is performance.  Windows will page out seldom accessed memory blocks so that the memory is free when a demanding application requests it.  If it waited for the demand to actually be there, performance of both applications would suffer as paging out under load always carries a more significant penalty than doing so when idle.  Windows won't page out highly active blocks of memory so this is nothing to be concerned about.

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Neil RussellTechnical Development LeadCommented:
Also SCALE is the key!
Your first graph is showing averages over a 1 year period so a Spike for half an hour in a day wont register at all.

Your second graph is showing only a months view and therefore you see a much more granular view.

Compare like with like before you start thinking that A is so different to B.

You can write entire books on the subject of Windows memory and paging! Its not an open and shut case of "Oh I ran out, I'll page to disk!" as Cliff said.
amigan_99Network EngineerAuthor Commented:
Thank you.
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Windows Server 2008

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