[OpenAFS] Extremely poor write performance.

Derrick J Brashear shadow@dementia.org
Fri, 17 Jan 2003 12:46:15 -0500 (EST)

On Fri, 17 Jan 2003, [iso-8859-1] Rubino Geiß wrote:

> I have tested the following: network saturation, server load. Non of them
> are in critical numbers if you do mass deletes. So my clues are:	
> 	1. guess: maybe it's the network latency. 
> 		- contraidication: on 10Mbit we got the same numbers but 5
> ro 10 times higher ping turnarounds. 
> 	2. guess: a flaw in the server code or linux.
> 		- guestion: how can I profile the fileserver? I want to know
> where he is consuming time / waiting. How is this done for a client?

If you search archives (google should have indexed everything relevant by
now) I think Chas Williams has mentioned gprof'ing the fileserver before.

> We do not have access to Sparc hardware but intel-solaris, does this count,
> too?