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    SubjectRe: OSDI paper - IO-Lite: A Unified I/O Buffering and Caching System

    On 3 Mar 1999, Jan Vroonhof wrote:

    > 1. Most of the gains come from less copying along pipes.
    > 2. [this is not clear from the paper to me] For the gains the occur
    > both sides of the pipe need use IOL.
    > 3. The gains come from copying by reference.
    > 3b. There is an additional gain from to having to recompute TCP
    > checksums.

    i think most gains come from the fact that IO-Lite only deals with
    'immutable' (ie. read-only) IO buffers. Most (all) high-traffic sites have
    dynamic content ...

    -- mingo



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