[OpenAFS-port-darwin] Performance/misconfiguration?

Nicholas Riley njriley@uiuc.edu
Thu, 28 Aug 2003 17:48:08 -0500


On Thu, Aug 28, 2003 at 04:13:29PM -0500, Rich Sudlow wrote:
> If you're doing large files change the chunksize up too.
> I typically use a chunksize of 18 - 20

Thanks, that helped a lot.  I was using a 300 MB cache and the default
chunk size; when I moved to a 1 GB cache and chunk size of 20, I
copied 440 MB in less than 2 minutes with <50% CPU usage, which is
perfectly fine.

I didn't realize the cache size affected the performance so
incredibly...

-- 
=Nicholas Riley <njriley@uiuc.edu> | <http://www.uiuc.edu/ph/www/njriley>
        Pablo Research Group, Department of Computer Science and
  Medical Scholars Program, University of Illinois at Urbana-Champaign