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/
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 835 bytes
Desc: not available
URL: <http://selenic.com/pipermail/mercurial-devel/attachments/20120607/7b9b8ed1/attachment.pgp>


More information about the Mercurial-devel mailing list