memory utilization

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  • Thomas Moy

    memory utilization

    What do people think is normal for memory utilization? I know that's too
    broad, so here are some basics.

    MS SQL Server 2000, Windows 2000 Server, 2GB RAM
    Db 1, size = 2.0 GB
    Db 2, size = 300MB
    Db 3, size = 50MB
    Db 4, size = 30MB
    Db 5, size = 30MB

    Typically 4-6 users, moderate usage 8-hrs/day. Performance has not slowed.

    Reboot on Sunday. sqlservr.exe in the Task Manager reports the following
    Sun 61MB
    Mon 200MB
    Tues 800MB
    Wed 1,124MB
    Thu 1,424MB
    Fri 1,303MB

    I was getting srv 2020 errors when I had just 1 GB RAM: "The server was
    unable to allocate from the system paged pool because the pool was empty."
    Then I did several updates to address this and got more RAM. I haven't seen
    the errors since, but I haven't waited for them to happen: I'm rebooting
    every week now. The memory numbers make me suspect SQL Server.

    Scratching my head. Not sure if my problem is gone, and this is normal SQL
    Server 2000 behavior, or if my problem is still lurking and I've only muted
    it a bit.

    Any thoughts greatly appreciated.

    Tom



  • Andrew J. Kelly

    #2
    Re: memory utilization

    SQL Server will use all the ram that it thinks it can up to it's max. From
    there it will dynamically allocate as it sees fit but it will not release
    any back to the OS unless it specifically calls for it. So your behavior
    does not seem uncommon. I would hold off rebooting and see if it happens
    again. If you are running other apps on the same server you may still see
    some completion for ram but you should not starve it.

    --
    Andrew J. Kelly SQL MVP


    "Thomas Moy" <tomoy64@mypriv acy.ca> wrote in message
    news:cbqdnRae09 adgzTd4p2dnA@gi ganews.com...[color=blue]
    > What do people think is normal for memory utilization? I know that's too
    > broad, so here are some basics.
    >
    > MS SQL Server 2000, Windows 2000 Server, 2GB RAM
    > Db 1, size = 2.0 GB
    > Db 2, size = 300MB
    > Db 3, size = 50MB
    > Db 4, size = 30MB
    > Db 5, size = 30MB
    >
    > Typically 4-6 users, moderate usage 8-hrs/day. Performance has not[/color]
    slowed.[color=blue]
    >
    > Reboot on Sunday. sqlservr.exe in the Task Manager reports the following
    > Sun 61MB
    > Mon 200MB
    > Tues 800MB
    > Wed 1,124MB
    > Thu 1,424MB
    > Fri 1,303MB
    >
    > I was getting srv 2020 errors when I had just 1 GB RAM: "The server was
    > unable to allocate from the system paged pool because the pool was empty."
    > Then I did several updates to address this and got more RAM. I haven't[/color]
    seen[color=blue]
    > the errors since, but I haven't waited for them to happen: I'm rebooting
    > every week now. The memory numbers make me suspect SQL Server.
    >
    > Scratching my head. Not sure if my problem is gone, and this is normal[/color]
    SQL[color=blue]
    > Server 2000 behavior, or if my problem is still lurking and I've only[/color]
    muted[color=blue]
    > it a bit.
    >
    > Any thoughts greatly appreciated.
    >
    > Tom
    >
    >
    >[/color]


    Comment

    • Thomas Moy

      #3
      Re: memory utilization

      This makes sense. I'll take a couple pills, hold off rebooting and see if
      it behaves properly.

      Thanks for the suggestion.

      Tom


      "Andrew J. Kelly" <sqlmvpnoooospa m@shadhawk.com> wrote in message
      news:e7YZdiHPEH A.2876@TK2MSFTN GP09.phx.gbl...[color=blue]
      > SQL Server will use all the ram that it thinks it can up to it's max.[/color]
      From[color=blue]
      > there it will dynamically allocate as it sees fit but it will not release
      > any back to the OS unless it specifically calls for it. So your behavior
      > does not seem uncommon. I would hold off rebooting and see if it happens
      > again. If you are running other apps on the same server you may still see
      > some completion for ram but you should not starve it.
      >
      > --
      > Andrew J. Kelly SQL MVP
      >
      >
      > "Thomas Moy" <tomoy64@mypriv acy.ca> wrote in message
      > news:cbqdnRae09 adgzTd4p2dnA@gi ganews.com...[color=green]
      > > What do people think is normal for memory utilization? I know that's[/color][/color]
      too[color=blue][color=green]
      > > broad, so here are some basics.
      > >
      > > MS SQL Server 2000, Windows 2000 Server, 2GB RAM
      > > Db 1, size = 2.0 GB
      > > Db 2, size = 300MB
      > > Db 3, size = 50MB
      > > Db 4, size = 30MB
      > > Db 5, size = 30MB
      > >
      > > Typically 4-6 users, moderate usage 8-hrs/day. Performance has not[/color]
      > slowed.[color=green]
      > >
      > > Reboot on Sunday. sqlservr.exe in the Task Manager reports the following
      > > Sun 61MB
      > > Mon 200MB
      > > Tues 800MB
      > > Wed 1,124MB
      > > Thu 1,424MB
      > > Fri 1,303MB
      > >
      > > I was getting srv 2020 errors when I had just 1 GB RAM: "The server was
      > > unable to allocate from the system paged pool because the pool was[/color][/color]
      empty."[color=blue][color=green]
      > > Then I did several updates to address this and got more RAM. I haven't[/color]
      > seen[color=green]
      > > the errors since, but I haven't waited for them to happen: I'm rebooting
      > > every week now. The memory numbers make me suspect SQL Server.
      > >
      > > Scratching my head. Not sure if my problem is gone, and this is normal[/color]
      > SQL[color=green]
      > > Server 2000 behavior, or if my problem is still lurking and I've only[/color]
      > muted[color=green]
      > > it a bit.
      > >
      > > Any thoughts greatly appreciated.
      > >
      > > Tom
      > >
      > >
      > >[/color]
      >
      >[/color]


      Comment

      • Fer
        New Member
        • Jun 2006
        • 1

        #4
        Same problem but what to do??

        Dear reader,

        I have the same problem!! My sqlservr.exe in the taskmanager is growing everyday.
        The SQL is clustered.
        Some times the user is loosing connection and I have a eventID 2020 in my eventviewer.
        Microsoft writes to do some registry adjustments in the
        hkey_local_mach ines\system\Cur rentcontrolset\ control\session \mamager\Memory Managent

        Create PoolUsagemaximu m
        and
        PagedPoolSize

        see http://support.microsoft.com/default...b;en-us;312362


        Is there anyone who has another suggestion for this problem??
        Or is the Microsoftsoluti on the only one.

        Comment

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