Regarding AWE

  • Hi,

    What are the recommended settings if iam using 64-bit os and sqlserver enterprise edition 2005, and i have 32GB Ram and i want to use 25 GB, could any body help to do settings?

    Koteswar Rao

  • You needn't worry about AWE as you are using 64-bit .

    AWE is a way of allocating more memory to 32-bit systems. It is ignored in 64-bit OSes.

    On the memory page of your server proerties you can set the max RAM in MB that SQL Server may use - 25GB * 1024 = 25600MB.

    Reastart the SQL server service and away you go.

  • have a good read of this blog:

    http://blogs.msdn.com/psssql/archive/2009/09/11/fun-with-locked-pages-awe-task-manager-and-the-working-set.aspx

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  • Hi,

    thank you for information , i have one more doubt, when to use awe & pae switch?

    Could you please provide information.

    Koteswar Rao

  • HI Koteswar Rao,

    Use of the /PAE switch in the Boot.ini and the AWE enable option in SQL Server allows SQL Server 2000 to utilize more than 4 GB memory. Without the /PAE switch SQL Server can only utilize up to 3 GB of memory.

    FOR more info :

    http://support.microsoft.com/kb/274750

  • AWE and /PAE switch are both irrelevant if you have a 64-bit OS. They will be ignored.

    You would want to consider using AWE and /PAE only if you are using a 32-bit operating system.

    Google AWE or PAE and site:microsoft.com to confirm this.

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