From: Martin Langhoff Date: Sat, 10 Jun 2006 03:41:39 GMT Subject: Re: Figured out how to get Mozilla into git Message-ID: <46a038f90606092041neadcc54n2acb6272d1f71de7@mail.gmail.com> In-Reply-To: On 6/10/06, Linus Torvalds wrote: > On Fri, 9 Jun 2006, Jon Smirl wrote: > > > > > > Btw, does anybody know roughly how much data a initial "cvs co" takes on > > > the mozilla repo? Git will obviously get the whole history, and that will > > > inevitably be bigger than getting a single check-out, but it's not > > > necessarily orders of magnitude bigger. > > > > 339MB for initial checkout > > And I think people run :pserver: with compression by default, so we're > likely talking about half that in actual download overhead, no? Yes, most people have -z3, and I agree with you, on paper it sounds like the cost is 1/4 of a git clone. However. The CVS protocol is very chatty because the client _acts_ extremely stupid. It says, ok, I got here an empty directory, and the server walks the client through every little step. And all that chatter is uncompressed cleartext under pserver. So the per-file and per-directory overhead are significant. I can do a cvs checkout via pserver:localhost but I don't know off-the-cuff how to measure the traffic. Hints? cheers, martin