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. >