Hi Felix, Felix Lechner via "Development of GNU Guix and the GNU System distribution." <guix-devel@gnu.org> skribis:
> It probably makes more sense to focus on the Guix daemon here. I hope > you don't mind a few clarifying questions. > > Why, please, does the benefit of de-duplication approach a fixed ratio > of 3:1? Does the benefit not depend on the number of copies in the > store, which can vary by any number? (It sounds like the answer may > have something to do with store size.) Where does that 3:1 figure come from? > Further, why is the removal of hardlinks counted as saving space even > when their inode reference count, which is widely available [1] is > greater than one? Where do you see that in the code? After checking ‘removeUnusedLinks’, I think it counts space savings right. (OTOH, something somewhere is counted wrong, as anyone who’s used ‘guix gc -F…’ has seen; not sure where the bug is!) Thanks, Ludo’.
