[Fwd: Re: bzr-git performance]

[Russel Winder]

I said I would cc the list, then failed . . .

-------- Forwarded Message --------
> From: Russel Winder <russel.winder at concertant.com>
> To: Jelmer Vernooij <jelmer at samba.org>
> Subject: Re: bzr-git performance
> Date: Fri, 16 Oct 2009 09:00:15 +0100
> 
> On Thu, 2009-10-15 at 14:51 +0200, Jelmer Vernooij wrote:
> > On Tue, 2009-10-13 at 10:25 +0100, Russel Winder wrote:
> > > On Tue, 2009-10-13 at 09:02 +0000, Jelmer Vernooij wrote:
> > > > On Tue, Oct 13, 2009 at 08:03:29AM +0100, Russel Winder wrote:
> > > > > My perception is that bzr-git performance has got worse over the last
> > > > > week.  There have been changes to Dulwich and bzr-git itself, could
> > > > > there have been a performance hit?
> > > > There haven't been any changes to the core of bzr-git, nothing that could affect the performance. Perhaps you need to pack your git repo?
> > > 
> > > OK.  Thanks.
> > > 
> > > The Git repository is on GitHub and I am not sure I can run a gc
> > > remotely.  Maybe the problem is just access to GitHub?  But access using
> > > Git is the same as ever, the problem is with access using bzr-git
> > > only :-(
> > 
> > What exactly has become slower with bzr-git ? dpush ?
> 
> No this is just update -- I have a Bazaar branch in a shared repository
> bound to the Git repository and am updating.   I am doing this on the
> machine with ~/.bazaar as a local disc -- not over an NFS connection as
> that just takes hours.
> 
> I think there are five factors here:  1. GitHub and access to it; 2. the
> Git repository and whether it has recently been garbage collected; 3.
> Dulwich; 4. Bazaar and bzr-git; contention on my ADSL line.
> 
> At the moment all issues are anecdotal, I haven't done any proper
> experimentation.  Actually just recently things have got a lot better.
> This would lead one to suspect 1, 2 and 5 rather than 3 or 4.
> 
> > Btw, would it be ok if I cc'ed the list on this thread? 
> 
> Sure.  I have done that for this response to get the ball rolling.
> 
-- 
Russel.
=============================================================================
Dr Russel Winder      Partner
                                            xmpp: russel at russel.org.uk
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