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Non-Pageable Memory

  • July 30, 2013 at 5:17 am

    #296193

    Suddenly got struck in a confusion(I might be wrong too). I will really thank and appreciate any light sheds.

    AWE is non-pageable? right. It means it cant be hard-fault. Then why we need LOCK PAGE in MEMORY?

  • July 30, 2013 at 6:56 am

    #1636960

    The Lock Pages in memory privilege allows SQL to allocate memory that is not pagable. That memory is allocated with the AWE APIs (no matter if it's 32-bit or 64-bit)

    Hence, without the lock pages privilege, SQL cannot allocate AWE memory and hence its memory will be pagable.

    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

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