Hi Helmut,

this is common problem with nfs. I would suggest investigate more about
nfs4 (better caching). And try to play with mount options
rsize=1024,wsize=1024. I think default is 8k.

Robert.


V Fri, 20 Apr 2012 20:29:57 +0200
Helmut Jarausch <jarau...@igpm.rwth-aachen.de> napsáno:

> Hi,
> 
> on one of our students' lab the home directories of the students are  
> mounted via NFS.
> Our main application (www.codelite.org) seems to write a lot of
> small chunks to files in the
> students' home directories.
> 
> Thus, just finishing Codelite takes 100 seconds while the same
> version on a pure local machine
> takes about 2 seconds for that.
> 
> A simple test
> dd bs=80 count=10000 if=/dev/zero of=$HOME/Test
> shows only 80 Kb/sec (speed of a floppy drive).
> The machine was idle and connected to a dedicated, nearly idle
> server by a network
> of 1Gb/sec.
> 
> Does anybody have some hints on how to speed up such an NFS3 setup?
> 
> Many thanks for some clues.
> 
> By the way, NFS was set up with the async option.
> 
> Helmut.
> 


Reply via email to