Normally i don't mind a bit of a lag when saving a large file, but this seems crazy to me. I'm looking at 99% memory (~16Gigs), and about 5-6min to save (ever autosaves). I've worked with larger files that don't have this problem and normal memory usage is in the range of 3-4 Gigs.
With the files in question it happens with both ACAD 2013 and 2014, on multiple computers, different video cards, ...
Has anyone else experienced this?