WS2003 acting very slow as a general-purpose fileserver, especially for 10-20 mbyte MS Word document

Discussion in 'Server Networking' started by Warren Postma, Jan 31, 2006.

  1. We have a dual-processor P4 dell server running Win2003 server, and it takes
    about 5 times longer to save a 20 meg Word document (MS Word 2003) to
    Win2003 over the network than to our hard drives. We also have a Linux box
    running Samba, and saving to it takes about 1/3 of the time to save to the
    network drive on that box.

    The Windows Server 2003 machine has the Previous Versions feature enabled,
    so that is one of my theories as to why it is slower, but not the only
    reason. We find that in general, Word is much slower to save to the
    network, it freezes up completely for 10-15 seconds every time it saves to
    the Server, which is much worse than other applications we use which access
    the network. Looking at my Task Manager's network tab, I don't see that
    this machine is saturating its 100baseT network connection, and looking at
    the whole network's traffic levels, using Ethereal, I notice that the whole
    network is loaded to about 2-10% with one or two spikes of 3-5 seconds where
    usage is closer to 20%-60% in an average minute. So that leaves the whole
    network wide open, and this server, which has CPU usage of nearly zero,
    inexplicably slow doing basic file-server tasks.

    We have considered moving all our network document folders onto a
    less-powerful PC running Samba, if we can't figure out why WS2003 with all
    this expensive hardware and so much RAM, IDE PERC RAID5 9000 RPM disks, and
    DUAL cpus, is so slow, and my little-dell-dimension desktop with a single
    7200 rpm SATA drive is over four times faster when saving word documents
    over the network to it.

    What can I try next? Can anything be misconfigured in a network such that
    saving word documents is slow, but loading them is still fast? Why does Word
    work less well with Windows Server?

    Here are my results so far loading and saving a 20.5 mb Word document to my
    linux and my winserver2003 server:

    ----
    windows 20mb save 16 sec 1.25 mbytes/sec
    server 20mb open <1 sec 40 mbytes/sec

    ----

    linux 20mb save 4 sec 5 mbytes/sec
    server 20mb open <1 sec 40 mbytes/sec

    ----


    Regards,

    Warren
     
    Warren Postma, Jan 31, 2006
    #1
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  2. Do you get any event log entries on either the client or the server?

    Regards,
    Martin
     
    Martin v. Löwis, Jan 31, 2006
    #2
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  3. Nothing that seems relevant. I found a DNS reverse-lookup zone didn't exist
    so I created one.
    No change on performance though.

    Warren
     
    Warren Postma, Jan 31, 2006
    #3
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