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    SubjectRe: [patch 0/5] refault distance-based file cache sizing
    On 05/16/2012 01:25 AM, nai.xia wrote:
    > Hi Johannes,
    >
    > Just out of curiosity(since I didn't study deep into the
    > reclaiming algorithms), I can recall from here that around 2005,
    > there was an(or some?) implementation of the "Clock-pro" algorithm
    > which also have the idea of "reuse distance", but it seems that algo
    > did not work well enough to get merged?

    The main issue with clock-pro was scalability.

    Johannes has managed to take the good parts of clock-pro,
    and add it on top of our split lru VM, which lets us keep
    the scalability, while still being able to deal with file
    faults from beyond the inactive list.

    --
    All rights reversed


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