berk walker <berk@xxxxxxxxx> wrote:
> for us old folks, please expand "idempotent" in usage to reflect the
> relationships to which you refer.
Function f is idempotent when f.f = f. I.e. Doing it twice is the same as
doing it once.
Here the question is if you do a fraction f of a write w, and then do the
whole write w again, whether you get what you are expecting. I.e. if
w.f = w
and f is the restriction of w to some set s, f = w|s.
Peter
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