[OpenAFS] Extremely poor write performance.

[Jimmy Engelbrecht]

Robin Yamaguchi <rhy@physics.ucsb.edu> writes:

> Hello All:
> 
> I started working with openafs about a month ago, and i'm having problems 
> with write performance.  Please excuse any omitted information that is 
> important - i'm a newbie.  =)
> 
> Here are some of the results from running bonnie++ (HD/filesystem 
> benchmarker) on an afs directory:
> 
>      ------Sequential Output------ --Sequential Input- --Random-
>      -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
> Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
> 496M  2351  24  2516   9   772   2  2793  25  3480   2  43.6   0
>      ------Sequential Create------ --------Random Create--------
>      -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
> files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP /sec %CP
>   16   159  26  2013  82   198  18   162  28  1013  70   215  15

I dont think bonnie is a relevant benchmark for network filesystem.

Have you tried something like:

1) Extract a tarball
2) compile a program

Or maybe you should try the andrew benchmark, which is more relvant but
very old.

However if your are intressted in afs-performace-numbers you can compare
with mine, statistics are done with afsfsparf from the arla-package. This
is relevant when you test fileserver-performance, it does not
performancetests client-performace.

http://www.e.kth.se/~jimmy/afsfsperf/afsfsperf.html

/Jimmy