bzr-git vs bzr-svn

Russel Winder russel.winder at
Tue Nov 17 16:50:52 GMT 2009

On Tue, 2009-11-17 at 17:00 +0100, Jelmer Vernooij wrote:
> Hi Russel,
> On Thu, 2009-11-12 at 18:09 +0000, Russel Winder wrote:
> > Basically a rhetorical point . . .
> > 
> > I am finding that accessing a Git repository from a Bazaar branch is
> > far, far slower than accessing a Subversion repository from a different
> > Bazaar branch.  Admittedly this is back to the TDB and NFS mount cache
> > problem, so not really of interest to you :-)
> > 
> > The Subversion repository I am accessing is much, much bigger in terms
> > of both number of files and number of revisions compared to the Git
> > repository and yet updating the Git-backed Bazaar branch takes 7-10
> > times longer.  The problem seems to be updating the "git map".
> Are you using bzr-git and bzr-svn in the same set-up? E.g. with git/svn
> remotely and a bazaar branch locally.

'fraid so.  Locally I have shared repositories with one bound branch as
a mirror branch and then local feature branches.  The only structural
difference is that one of the bound branches binds to a Git repository
and the other to a Subversion repository.

Of course the Git bound branch is now "buggered" in that it refuses to
do an update, so I have had to give up on bzr-git and use real Git :-(

|> bzr update
bzr: ERROR: exceptions.KeyError:

<<lots of stack trace>>

Dr Russel Winder      Partner
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