>> from my own experience, I would guess hg, but bzr has some
>> pretty big deployments (launchpad...)
> The Launchpad source tree is 150MB, full history is 280MB.
> That's tiny!!
Launchpad with bzr as a deployment is more interesting than the size of the source code of launchpad itself. It runs (taken from their frontpage) more than 17.000 projects, so there are many bzr users.
> Judging by the icons on http://bazaar.canonical.com/en/ it
> looks like MySQL and GNU Emacs are the biggest bzr projects,
> but they're miniscule by KDE/Gnome/Moz/etc standards.
I guess the biggest project is Ubuntu, but I'm sure they do not use one shared repository.
> Does bzr have a win that's not shown in those icons?