hg-git converted repo is massive

[Harvey Chapman]

On Jan 27, 2013, at 8:56 PM, Sean Farley <sean.michael.farley at gmail.com> wrote:

> Really? I have yet to see a hg repo that is less than 3x the size of
> the same repo in git. I can usually get the size down to around 2x if
> I use format.generaldelta=True. Perhaps, hg-git should enable this by
> default? Maybe also run the hg-shrink extension by default?

Is there any downside to using hg-git with generaldelta?
I couldn't find hg-shrink via google. Is that a reference to the shrink-revlog.py script which I think is the same as "hg convert --branchsort"?