Thread (14 messages) 14 messages, 4 authors, 2005-05-15

Re: Mercurial 0.4e vs git network pull

From: Matt Mackall <hidden>
Date: 2005-05-12 20:11:32
Also in: lkml

On Thu, May 12, 2005 at 08:23:41PM +0200, Petr Baudis wrote:
Dear diary, on Thu, May 12, 2005 at 11:44:06AM CEST, I got a letter
where Matt Mackall [off-list ref] told me that...
quoted
Mercurial is more than 10 times as bandwidth efficient and
considerably more I/O efficient. On the server side, rsync uses about
twice as much CPU time as the Mercurial server and has about 10 times
the I/O and pagecache footprint as well.

Mercurial is also much smarter than rsync at determining what
outstanding changesets exist. Here's an empty pull as a demonstration:

 $ time hg merge hg://selenic.com/linux-hg/
 retrieving changegroup

 real    0m0.363s
 user    0m0.083s
 sys     0m0.007s

That's a single http request and a one line response.
So, what about comparing it with something comparable, say git pull over
HTTP? :-)
..because I get a headache every time I try to figure out how to use git? :-P

Seriously, have a pointer to how this works?

-- 
Mathematics is the supreme nostalgia of our time.
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