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    SubjectRe: ext2/3 performance regression in 2.6 vs 2.4 for small interleaved writes
    On Thu, 12 Feb 2004, Jon Burgess wrote:


    > >You might be able to improve things significantly on ext2 by increasing
    > >EXT2_DEFAULT_PREALLOC_BLOCKS by a lot - make it 64 or 128. I don't recall
    > >anyone trying that.
    > >
    > >
    > I'll give it a go.

    I think that a better choise for Ext2 and Ext3 is to put each stream
    in a different directory (but that only makes sense if those directories
    are in different groups). In that way, file blocks will not be interleaved on
    disk, which is the problem. Try this, if you can, and let us know your



    > Jon

    D. Juan Piernas Cánovas
    Departamento de Ingeniería y Tecnología de Computadores
    Facultad de Informática. Universidad de Murcia
    Campus de Espinardo - 30080 Murcia (SPAIN)
    Tel.: +34968367657 Fax: +34968364151
    PGP public key:

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