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Possible Duplicate:
SQL 2008 Memory Usage

I'm going threw high physical memory usage in SQL Server. It always around 90%.When i reboot the server, it will initially good but end of the day it will around 90to 95% physical memory usage.

Configurataion : Windows SQL server 2008r2
Processor Intel Xeon CPU E5450 @3.00GHZ
Installed memory 32.GB
System type: 64bit operating system.
I've installed Microsoft SQL Server 2008 (SP2) - 10.0.4000.0 (X64) Sep 16 2010 19:43:16 Copyright (c) 1988-2008
Microsoft Corporation Enterprise Edition (64-bit) on Windows NT 6.1 (Build 7600: ).
Allocate memory to instance is 26214MB. 

Can some one help me on this please.?

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marked as duplicate by Dave M, HopelessN00b, HostBits, Iain Oct 11 '12 at 15:57

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

As noted in the top-voted answer to the question this is a duplicate of, this is expected behavior.

MSSQL Server will take about all the memory it can get its hands on, and it's nothing to worry about.

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technically, he said that he set the memory allocation for SQL to less than the full 32GB. That being said, he set the allocation for almost 80% and then you throw in OS memory usage, etc, and you are probably right there at 90% total usage. – Rex Oct 11 '12 at 15:49
@Rex Thanks, I misread the system memory in the question as originally formatted. And I agree. Worrying about ~3 GB of memory allocation on a Windows SQL server is not going to be a very fruitful exercise. – HopelessN00b Oct 11 '12 at 15:54

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