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cy-dba

Posted Wednesday, May 07, 2008 3:40 PM

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I am trying to figure out a way to increase memory usage on a server that has 3.5GB of memory. SQL Server is currenlty only using 1.6GB. I thought increasing the max memory setting would do it but it has not changed (after stop/starting SQL Server). There are no other applications running on the server. Here are my specs:

MSSQL Server 2000 Dev Edt. SP3
Windows 2003 Std. SP2
3.5GB RAM

Any advice is greatly appreciated!

Post #496748

GilaMonster

Posted Wednesday, May 07, 2008 3:50 PM

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What's the min memory setting?

Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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Post #496754

cy-dba

Posted Wednesday, May 07, 2008 4:00 PM

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Min setting is 0.

Post #496762

GilaMonster

Posted Wednesday, May 07, 2008 11:10 PM

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Then SQL will take just as much memory as it needs, up to the max as defined by the max server memory.

If there was a non-zero minimum, it would take at least that much memory.

Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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Post #496858

cy-dba

Posted Thursday, May 08, 2008 7:20 AM

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That's what I thought should happen. Although, I'm a little confused because we have another server that has much less usage and SQL Server is using close to 3.0GB of memory. Is there a Windows property that would prevent SQL Server from using more memory?

Post #497083

John Mitchell-245523

Posted Thursday, May 08, 2008 7:31 AM

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Are you using the /3GB switch in your boot.ini file?

John

Post #497096

cy-dba

Posted Thursday, May 08, 2008 8:07 AM

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The /3GB switch is not in the boot.ini file. It's also not in the other server that is using 3GB of memory.

I did a little more digging and found that AWE is enabled on the server that is using 3GB of memory, and not enabled on the one using only 1.6GB. I'm fairly new to this environment so not sure why it's on for one and not the other. Would that make a difference? I thought AWE was used only if there's 4GB or more of physical memory.

Post #497123

cy-dba

Posted Friday, May 09, 2008 7:20 AM

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I enabled AWE and set the max memory setting to 3GB. After rebooting, SQL Server is now using 3GB of memory. Thanks for your help!

Post #497852

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