Memory leak high resident

My application is experiencing growing memory consumption. It reaches 4G and 1 week, when it usually is 500MB. One thing that we noticed is that we have a high resident memory.  If virtual memory is 4G, then resident memory is 3.6G.
Does high resident memory mean that it may not be a memory leak, but a memory loitering of some kind?  What does a high percentage of resident usually mean?

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Shreedhar EtteCommented:

Server 2008 prefetches much more than Server 2003. This is one reason memory usage is higher.

No Need to concern. It is by Design.

Hope this helps,
By itself high resident memory doesn't mean anything. For many applications this will be completely normal. Without a good understanding of the program it is impossible to tell if this is a serious problem or completely normal.

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Windows Server 2008

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