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    SubjectRe: File system compression, not at the block layer


    Pavel Machek wrote:
    > Hi!
    >
    >
    >>>>Well, why not do the compression at the highest layer?
    >>>>[...] doing it transparently and for all files.
    >>>
    >>>http://e2compr.sourceforge.net/
    >>
    >>It's been done (see the above URL), but given how cheap disk space has
    >>gotten, and how the speed of CPU has gotten faster much more quickly
    >>than disk access has, many/most people have not be interested in
    >>trading off performance for space. As a result, there are race
    >
    >
    > Is CPU_speed / disk_throughput increasing? If so, compression
    > might help once again. CPU_speed / net_throughput probably is
    > increasing, so compressedNFS would probably make sense.


    I've always felt that way, but every time I mention it, people tell me
    it's not worth the CPU overhead. For many years, I have felt that there
    should be an IP socket type which was inherently compressed.

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