[OpenAFS] poor client performance on linux

Jeffrey Hutzelman jhutz@cmu.edu
Sun, 28 May 2006 14:15:22 -0400

On Sunday, May 21, 2006 12:39:47 PM +0300 Dimitris Zilaskos 
<dzila@tassadar.physics.auth.gr> wrote:

>  	I am using openafs 1.4.1 with linux Afsd runs with -stat
> 4000 -dcache 4000 -daemons 6 -volumes 256 -files 50000 -chunksize 20.

>  	Can anyone think of anything I can do to improve performance?

How large is your cache?  With those settings, you only have enough files 
to utilize about 50GB of cache, and with 50000 files and only 4000 dcache 
entries, you're going to be touching the CacheItems file a lot.

-- Jeffrey T. Hutzelman (N3NHS) <jhutz+@cmu.edu>
   Sr. Research Systems Programmer
   School of Computer Science - Research Computing Facility
   Carnegie Mellon University - Pittsburgh, PA