I agree that it would make a lot of sense to not use a plain bitmap. The current state of the art for compressed high-performance bitmaps is here: http://roaringbitmap.org/
On Fri, Sep 2, 2016 at 8:09 AM, Augie Fackler <r...@durin42.com> wrote: > I've considered doing a bitmap index for hidden revs, but lacked the round > tuits. Have you looked at any of the more interesting compressed bitmap > storage schemes like EWAH? I know git uses that for some stuff now and it's > been very efficient both speed and space wise. >
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