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Memory

  • May 7, 2008 at 3:40 pm

    #121949

    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!

  • May 7, 2008 at 3:50 pm

    #812138

    What's the min memory setting?

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

  • May 7, 2008 at 4:00 pm

    #812144

    Min setting is 0.

  • May 7, 2008 at 11:10 pm

    #812219

    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, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

  • May 8, 2008 at 7:20 am

    #812398

    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?

  • May 8, 2008 at 7:31 am

    #812407

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

    John

  • May 8, 2008 at 8:07 am

    #812429

    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.

  • May 9, 2008 at 7:20 am

    #813024

    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!

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