Note that exercising or enabling this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). So, a system is recommended to have large memory size, typically bigger than 4 GB. Which mean that on 32-bit operating system, PAE has to be enabled, although neither Lock Pages in Memory nor AWE depend on PAE. Beside, on 32-bit operating systems, setting this privilege when not using AWE can significantly impair system performance. However, on 64-bit operating system, although not required, it’s recommend to lock pages in memory.
To enable Lock Pages in Memory setting, system administrator has to use the Windows Group Policy tool (gpedit.msc) to enable this policy for the account used by SQL Server.
- On the Start menu, click Run. In the “Open” box, type gpedit.msc.
- On the “Group Policy” console, expand Computer Configuration, and then expand Windows Settings.
- Expand Security Settings, and then expand Local Policies.
- Select the User Rights Assignment folder.
- In the right details pane, double-click Lock pages in memory.
- In the “Local Security Policy Setting” dialog box, click Add.
- In the “Select Users or Groups” dialog box, add an account with privileges to run sqlservr.exe (e.g. NetworkService).
참조 : http://msdn.microsoft.com/ko-kr/library/ms190730(SQL.90).aspx
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