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Thread: Windows 2003 Memory Leak

  1. #1
    Willem Zonnevijlle Guest

    Windows 2003 Memory Leak

    Can anyone advise me on how to find a memory leak in Win2003 X64.
    Is the best way to compare poolmon screendumps by hand or should I use
    memsnap en analyze the logs with memsnap -a <logfile>

  2. #2
    Pegasus \(MVP\) Guest

    Re: Windows 2003 Memory Leak


    "Willem Zonnevijlle" <Willem [email protected]> wrote in
    message news:[email protected]...
    > Can anyone advise me on how to find a memory leak in Win2003 X64.
    > Is the best way to compare poolmon screendumps by hand or should I use
    > memsnap en analyze the logs with memsnap -a <logfile>


    In many cases it is sufficient to observe the Memory Usage
    column in the Task Scheduler. With a leaky application the
    number keeps creeping up.



  3. #3
    Willem Zonnevijlle Guest

    Re: Windows 2003 Memory Leak

    In my case it's not enough. Let me explain what is the problem.
    I administer 3 fileservers running Win2003 R2 x64 with 2 dualcore AMD
    Opteron Processors and 8GB memory. Main storage is on a Equalogic iSCSI
    device connected with MS iSCSI initiator over a dedicated 1GB network. The
    average number of users connected to each fileserver is about 1100 Part of
    their userprofile is redirected ro their homedir. The roaming part of their
    profile is stored on a separate partition. Network load is minimal: on the
    iscsi network ranging from 0,1% to 2% max. On the regular network from 2-9%
    max. Backups are made over the network with Legato Networker and the
    antivirus solution is Symantec Antivirus 10.x in a managed environment.
    At irregular intervals one of the fileservers freezes and the users loose
    their connection to their profile and home directories although the machine
    iresponds to pings. On the console the windows explorer is frozen (doesn't
    respond).
    But, from a command window which is always open I can browse all partitions
    and drives. Nothing is logged in the eventlogs and the only solution is to
    reboot the machine by using the powerswitch.
    My first suspicion was a memory leak, but I can't find it, nor by using
    memsnap, nor by using poolmon. So, I am wondering whether I'm using the right
    method to discover a leak.
    The problem is very annoying




  4. #4
    SF Guest

    Re: Windows 2003 Memory Leak

    Hi all

    I have the same problem happen in my IBM server as Willem mentioned. I even
    do not to know how to use poolmon to trace the memory leak. Also I can only
    find the poolmon.exe tool in the system diskettes but without the other
    required files pooltag.txt, msvcp70.dll, msdis130.dll, msvcr70.dll in order
    to run the poolmon.

    Would you help me where I can find those files and how to use the poolmon to
    trace the memory leak problem.

    My configuration is 1G ram with an IBM x206m server, runing as a web server
    only. I almost removed all the applicaiton just leave the postgres sql, Java,
    and Tomcat applcation in running, but the problem is still happened.

    Thanks
    SF

  5. #5
    Join Date
    Apr 2008
    Posts
    1
    I had the same problem, It was caused by Symantec endpont protection
    Look for a patch at symantec.

    /Niklas

    Quote Originally Posted by Willem Zonnevijlle View Post
    In my case it's not enough. Let me explain what is the problem.
    I administer 3 fileservers running Win2003 R2 x64 with 2 dualcore AMD
    Opteron Processors and 8GB memory. Main storage is on a Equalogic iSCSI
    device connected with MS iSCSI initiator over a dedicated 1GB network. The
    average number of users connected to each fileserver is about 1100 Part of
    their userprofile is redirected ro their homedir. The roaming part of their
    profile is stored on a separate partition. Network load is minimal: on the
    iscsi network ranging from 0,1% to 2% max. On the regular network from 2-9%
    max. Backups are made over the network with Legato Networker and the
    antivirus solution is Symantec Antivirus 10.x in a managed environment.
    At irregular intervals one of the fileservers freezes and the users loose
    their connection to their profile and home directories although the machine
    iresponds to pings. On the console the windows explorer is frozen (doesn't
    respond).
    But, from a command window which is always open I can browse all partitions
    and drives. Nothing is logged in the eventlogs and the only solution is to
    reboot the machine by using the powerswitch.
    My first suspicion was a memory leak, but I can't find it, nor by using
    memsnap, nor by using poolmon. So, I am wondering whether I'm using the right
    method to discover a leak.
    The problem is very annoying

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