Excess data size for a single revision

[Eli Zaretskii]

> From: Martin Pool <mbp at sourcefrog.net>
> Date: Mon, 23 Jan 2012 18:12:18 +1100
> Cc: bazaar at lists.canonical.com
> 
> On 23 January 2012 17:41, Eli Zaretskii <eliz at gnu.org> wrote:
> > But why would a single merge result in so much meta-data?
> 
> I think the shortest path to a nontrivial answer to that is to run the
> command with -Dhpss and have a look at what the traffic actually
> comprises.

OK, but how can I run that command, when the offending revision is
already in my repository?  What am I missing?