I think that I've found why it got slow like that.I had the store diff instead of full versions (mistakenly selected I guess) and switching things back did the trick.What's that option? Never noticed it and it for sure hurt or plain doesn't work.PhilOn Wed, Sep 17, 2014 at 11:18 AM, Thierry Goubier <thierry.goubier@gmail.com> wrote:ThierryIs it caught in a kind of loop trying to find the base version? Scanning through the ancestors and adding all those to the package cache?2014-09-17 11:07 GMT+02:00 phil@highoctane.be <phil@highoctane.be>:Filesize is around 1MB.Here is what I do get in the debugger when stopping.TIAPhil��On Wed, Sep 17, 2014 at 11:02 AM, Thierry Goubier <thierry.goubier@gmail.com> wrote:ThierryCan you interrupt it to see where it is stuck?Hi Phil,how large is your package? We talked about very large packages with Sebastian Sastre not so long ago.2014-09-17 10:26 GMT+02:00 phil@highoctane.be <phil@highoctane.be>:Monticello kinds of freezes my image for a *very* long time.Long, meaning that it never completes I guess.Memory use shoots through the roof.What could cause that?I have been saving more than 200 versions of my package.Thanks for some advice from the trenches.Phil