Unresponsive machine during disk activity - RedHat 9

From: Mike Blatchley (mblatch_at_yahoo.com)
Date: 07/23/03

  • Next message: Peter Kiem: "Re: Resetting IFCONFIG Info" 
    To: redhat-list@redhat.com
Date: Tue, 22 Jul 2003 22:49:08 -0700 (PDT)

    Since switching from RedHat 8 to RedHat 9, my machine
    becomes very sluggish if one process is doing a lot of
    disk access. Has anything changed such that IDE disk
    access takes higher priority now? I expect an
    application relying on disk access to perform worse,
    but this sucks the life out of other applications (or
    even moving/minimizing windows). All updates as of
    June 28 have been applied.

    I know it is not swap file related, because I don't
    even use a swap file as of a couple weeks ago. On my
    machine, RH 9 (or kernel) was using the swap file when
    I don't believe it should be. I had 2 gnome-terminal
    windows open and was doing a tar backup to a SCSI tape
    drive; after a couple hours 70MB of swap space was
    used and no other apps had been run. I did a 'swapoff
    -a' and everything was cleared out of the swap files.
    On RH 8, I rarely saw more than 1-2MB in swap.

    System is an IBM ThinkPad A21p, 850MHz Mobile P-III,
    512MB memory. Kernel 2.4.20-18.9.

    If anyone has any suggestions on anything that I may
    have configured incorrectly that could have brought
    this on, I'd appreciate it. I've run RH Linux from
    the early 2.0/3.0 days and never seen problems like
    this.

    Thanks,

    Mike
    mblatch@yahoo.com

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