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    SubjectRe: 2.2.0 wishlist
    From
    Date
    ig25@fg70.rz.uni-karlsruhe.de (Thomas Koenig) writes:
    >
    >
    > WISHLIST FOR LINUX 2.2.0
    >
    > Now that Linux 2.0 is out, it's time for another round of Request For
    > Features.

    NFS write clustering/coalescing/biod, OH PLEASE

    As far as I'm concerned, this is the main feature Linux lacks relative to
    other Unices, and makes life in a heterogeneous NFS network extremely
    painful.

    Sparc 1 running SunOS 4 server:
    Linux 2.0 client, iozone with 512 byte blocks:

    IOZONE performance measurements:
    11933 bytes/second for writing the file <------- ** OUCH! **
    800439 bytes/second for reading the file

    Linux 2.0 client, iozone with 8192 byte blocks:

    IOZONE performance measurements:
    119837 bytes/second for writing the file
    825650 bytes/second for reading the file

    SunOS 4 client, iozone with 512 byte blocks:

    IOZONE performance measurements:
    138104 bytes/second for writing the file
    4714672 bytes/second for reading the file

    SunOS 4 client, iozone with 8192 byte blocks:

    IOZONE performance measurements:
    163806 bytes/second for writing the file
    13875189 bytes/second for reading the file

    Jason


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