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Thread: Kernel Progress On Improving I/O Wait, Interactivity

  1. #1
    Join Date
    Jan 2007
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    Default Kernel Progress On Improving I/O Wait, Interactivity

    Phoronix: Kernel Progress On Improving I/O Wait, Interactivity

    Progress is being made within the Linux kernel for reducing the I/O wait times and system interactivity/responsiveness when dealing with large I/O operations...

    http://www.phoronix.com/vr.php?view=MTMxNzA

  2. #2
    Join Date
    Feb 2009
    Posts
    113

    Default Deja vu

    Deja vu. I've been following this bug for years.
    There have been several patches claiming the same thing. Hope this is the ONE.

    BTW, changing the scheduler helped a lot. I'm using BFS when I'm not using VirtualBox.
    And the default swappiness is to high for the desktop, making interactivity even worse
    Last edited by talvik; 03-04-2013 at 12:00 PM.

  3. #3
    Join Date
    Jan 2013
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    60

    Default

    This + NTFS makes large file transfers to a usb a tedious task... you are basically unable to do anything while the file transfer is in progress, and the filetransfer, due to the NTFS implementation on linux, is terribly slow.

  4. #4
    Join Date
    May 2012
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    761

    Default

    Quite frankly this is the worst Linux bug ever and still not fixed, often copying large files makes the desktop unusable, even with Linux 3.8.
    What's worse - it seems to happen randomly, if I were paranoid I'd say M$ paid someone.

  5. #5
    Join Date
    Jan 2009
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    Vienna, Austria; Germany; hello world :)
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    Default

    Quote Originally Posted by talvik View Post
    Deja vu. I've been following this bug for years.
    There have been several patches claiming the same thing. Hope this is the ONE.

    BTW, changing the scheduler helped a lot. I'm using BFS when I'm not using VirtualBox.
    And the default swappiness is to high for the desktop, making interactivity even worse
    there's more stuff you could try out:

    - adding BFQ and using that instead of CFQ
    - tweaking CFQ: http://forums.gentoo.org/viewtopic-t...start-100.html and the following page(s)
    - tweaking CFS (slightly improves it)

    afaik I've meanwhile made additional changes - will see what they were once I have some more time


    Quote Originally Posted by j2723 View Post
    This + NTFS makes large file transfers to a usb a tedious task... you are basically unable to do anything while the file transfer is in progress, and the filetransfer, due to the NTFS implementation on linux, is terribly slow.
    definitely ! usb + ntfs is the worst (even with ntfs3g) :/

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