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    SubjectRE: My thoughts on the "new development model"
    Date
    > On Wed, Oct 27, 2004 at 08:04:33AM +0200, Willy Tarreau wrote:
    > > Oh yes I remember... I was very interested because of netfilter and
    > > ramfs but couldn't use it because of its awful stability. That was
    > > when I started complaining about linux development model, where new
    > > features were more important than bug fixes, which resulted in no
    > > usable kernel before 2.4.18.
    >
    > 2.6.x has taken a rather different path from 2.4.x

    However, results are similar.

    2.6 seems to work better than 2.4 in "early stage of stable branch" but
    It's quite impossible to set up a production server on 2.6.x, optimize
    it and keeping the same performance with 2.6.(x+2).

    Iosched has a lot of flavours, with performance worse than 2.4 (at least
    for databases).
    Swap is a misterious thing and It needs a degree in swappiness to
    understand how it works and how it changes.

    I see a lot of efforts in making a top-performance kernel but these
    efforts are not compatible with a stable-tree.

    Stable means not only that the kernel does not hangs, but that features
    remains (almost) the same for a reasonable amount of time.

    Max

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