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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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