How Max Memory works in SQL Server 2008 R2

  • Hi,

    I have an instance with Max Memory configured to 8 GB and Min memory configured to 1 GB

    But the instance is only taking 3 GB. But PLE is dropping continuously less than 50 secs but there are no active sessions running.

    why sql instance is not taking only 4 GB even though the Max memory is set to 8 GB?

  • Is there free memory for SQL to take?

    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
  • We have 12 GB RAM on the node.

    8 GB Max Memory

    1 GB Min Memory

    4 GB left for OS

    No other applications are installed other than SQL Server

  • Using any third party tools like Quest Litespeed? Any CLR code or Integration services on this server? These are some of the things that can cause PLE drops.

    [font="Times New Roman"]There's no kill switch on awesome![/font]
  • madhu-686862 (10/5/2013)


    We have 12 GB RAM on the node.

    8 GB Max Memory

    1 GB Min Memory

    4 GB left for OS

    No other applications are installed other than SQL Server

    That doesn't answer my question. Is there free memory for SQL Server to take?

    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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