Performance of bzr update for lightweight checkout

[Eli Zaretskii]

> Date: Sat, 5 Feb 2011 14:13:20 +0100
> Cc: aaron at aaronbentley.com, bazaar at lists.canonical.com
> From: Ulrich Mueller <ulm at gentoo.org>
> 
> >>>>> On Sat, 05 Feb 2011, Eli Zaretskii wrote:
> 
> >> > If you sit behind a very fast connection, I'd expect 10 min, not 97.
> >> > I got 50 min for a 3Mbps connection.
> >> 
> >> For some reason, the average rate was below 100 kB/s for me. When
> >> watching the progress, the rate sometimes went up to about 2 MB/s,
> >> but sometimes it even went down to zero.
> 
> > What is the bandwidth of your link?
> 
> Large enough, I normally get a throughput of around 100 Mbit/s.

Then your time is very strange, indeed.  It should be around 10
minutes.  That's what I get with such fast connections (and with
bzr+ssh, if that matters).

> > Anyway, the important question is how long it takes to you to resync
> > _after_ the initial checkout (which is known to be slow).
> 
> If the time for the initial branch/checkout that I've measured
> yesterday is typical, then it is also an issue.

Why?  It's done only once, isn't it?

> And as I said before, for lp:emacs it was only 15 minutes.

But that one is not necessarily up to date.