Thoughts on switching our archive compression method

[Vincent Habchi]

> (xz is 85% of bz2 size)
> (xz is 70% of bz2 size)
> (xz is 57% of bz2 size)
> 
> So I think we could save ourselves and our mirror providers, CDN, and users some disk space and bandwidth by switching to xz. bz2 was the best available built-in compression on Mac OS X 10.6 when we started doing binary archives but there are better options now.

I agree wholeheartedly, but since you mention modern compression algorithms, isn’t there another one (or more) which would be yet more efficient than xz?

Vincent