David Cournapeau <courn...@gmail.com> writes:

> On Sat, Feb 28, 2009 at 10:21 AM, Ben Finney <ben+deb...@benfinney.id.au> 
> wrote:
> 
> 
> > This issue is avoidable if the repository is a Bazaar one:
> 
> But what does it solve ? The main problem with downloading the whole
> history is the time taken. The only way to know the relative speed
> is to measure; in my experience, with a git server, git is as fast
> as svn to get not too big repositories.

The point was, though, that Git requires downloading the whole
repository before beginning to work with it; Bazaar does not require
that.

> It of course depends on the speed of the connection, servers, etc...
> Only experiment can tell.

Certainly, experiments would be welcome.

> Bzr, OTOH, is extremely slow at network operations, much slower than
> git and/or svn.

Subversion requires use of a dedicated server, while Bazaar does not.
Thus, many people compare the network speed of Subversion talking to a
dedicated server, versus Bazaar using file-level operations only.
Naturally, in that comparison, Bazaar will be slower than Subversion.

Bazaar *does* allow operations against a Bazaar server, and I've noted
it to be significantly faster than Subversion in that mode. Speed is
also improving with every Bazaar version, so comparisons rememberd
from months ago might be out of date. (again, experiments would be
welcome.)

Comparisons with Git's network speed at this point would not be valid,
since we're talking about something Git *can't do* currently: skip the
initial download of the repository.

> I have never used stacked branches, but are you sure […]

No, since I've not used them either. I offer it for anyone wanting to
honestly evaluate a DVCS, so that features can be properly compared.

> I really don't like svn, but in this case, I don't see the point of
> changing. git-svn has almost no drawback in this case

The message I was replying to pointed out significant drawbacks to
Git; that was my motivation for posting.

-- 
 \             “I have never imputed to Nature a purpose or a goal, or |
  `\    anything that could be understood as anthropomorphic.” —Albert |
_o__)                                    Einstein, unsent letter, 1955 |
Ben Finney


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