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64Bit SQL Enterprise on 64Bit 2008 Server Standard - "Locking pages in memory is not required on 64-bit operating systems"


SQL 2005 Enterprise 64Bit
Windows 2008 Standard 64Bit
16 GB memory

SQL Server Pages are not locked in memory by default. As well, teh technet states "Locking pages in memory is not required on 64-bit operating systems".

Is this really required?


Looking for some validation as we are not seeing and performance issues.

Brad Howe
Brad Howe
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I thought that was just related to AWE and AWE doesn't apply to the 64-bit world.  We have numerous sql 2008R@ 64-bit's that work fine without tweaking those settings.
Anthony PerkinsCommented:
>>"Locking pages in memory is not required on 64-bit operating systems". <<
You need to read the whole article and especially the correction as in (my bold):
Locking pages in memory is not normally required on 64-bit operating systems. You will need to enable this right on 64-bit operating systems only when using Large Page Memory support or to configure SQL Server such that the Buffer Pool memory does not get paged out. Use the Windows Group Policy tool (gpedit.msc) to enable this policy for the account used by SQL Server 2005 Database Engine. You must be a system administrator to change this policy.
Anthony PerkinsCommented:
Here is a more complete article on the subject.
How to reduce paging of buffer pool memory in the 64-bit version of SQL Server
Brad HoweAuthor Commented:
Cheers, Should have read the bottom of the thread. I ended up enabling it.

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