bzr wins a performance test

Theodore Tso tytso at MIT.EDU
Fri Jan 18 19:05:31 CST 2008


On Fri, Jan 18, 2008 at 01:33:47PM -0800, Bryan O'Sullivan wrote:
> bzr recently switched repository formats (again), and is now using a
> git-style pack.  An initial commit to a large, new bzr repo takes about
> half the disk space of a comparable hg repo, and is consequently faster
> on machines with reduced disk bandwidth.  Memory consumption is much
> higher than hg.
> 
> Unlike git (so far), bzr repacks automatically.  I haven't checked to
> see what performance impact that has.  It's still slower at other
> operations that I've tried.

FYI, Git has been repacking automatically in the development branch
since around October 2007 (it can disabled via setting gc.auto to 0),
the first public release where this will appear is the upcoming 1.5.4
release (currently rc3, with the 1.5.4 final probably coming out in
the next week or so).

						- Ted



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