On compressing revlogs
Martin Geisler
martin at geisler.net
Thu Jun 7 13:22:56 CDT 2012
"Bryan O'Sullivan" <bos at serpentine.com> writes:
> On Thu, Jun 7, 2012 at 7:49 AM, Martin Geisler <mg at aragost.com> wrote:
>
> > You should grab hold of Sune -- he worked on generaldelta and did some
> > earlier experiments with LZMA compression:
> >
> > http://mercurial.markmail.org/thread/sqlsficnnwlbb7d2
>
> That's interesting, but not really appropriate to my situation - bzip2
> and LZMA are hundreds of times too slow to be used for local revlog
> storage. Even bzip2 or LZMA in the wire protocol makes a poor fit for
> fast WANs, as they reduce bandwidth (abundant) at the cost of
> increased CPU (scarce on the server).
Ah, I see what you mean -- I guess Sune tried to optimize bandwidth at
the cost of CPU.
--
Martin Geisler
aragost Trifork
Commercial Mercurial support
http://aragost.com/mercurial/
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