lkml.org 
[lkml]   [2002]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCHSET] Linux 2.4.20-jam0

    On 2002.11.30 Andrew Morton wrote:
    >"J.A. Magallon" wrote:
    >>
    >> - Orlov inode allocator for 2.4
    >
    >The Orlov allocator in 2.5 has caused a tremendous performance regression
    >in dbench-on-ext3/ordered-on-scsi.
    >
    >I don't know why yet - I doubt if it's due to the allocator itself - more
    >likely an IO scheduling bug in ext3, or a bug in the 2.5 elevator.
    >
    >There is no such regression on IDE - presumably write caching is covering
    >up the problem.
    >

    Is there any way I can test that ? I have all scsi drives and can
    for example remount with 'orlov' or 'oldalloc'...

    >So that's something to watch out for.
    >
    >(where did your Orlov patch from? All the tabs are mangled)
    >

    See the other answer to previous message...

    >You'll need to port this missing bit, which provides the `oldalloc'
    >and `orlov' mount options.
    >

    Thanks, I will add it...
    BTW, who puts names to options ? Wouldn't be more intuitive to add options
    like 'ialloc_std' or 'ialloc_orlov' ? Too late to change this ?

    TIA

    --
    J.A. Magallon <jamagallon@able.es> \ Software is like sex:
    werewolf.able.es \ It's better when it's free
    Mandrake Linux release 9.1 (Cooker) for i586
    Linux 2.4.20-jam0 (gcc 3.2 (Mandrake Linux 9.1 3.2-4mdk))
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:31    [W:0.022 / U:62.856 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site