[gentoo-user] NFS terribly slow on writes

2012-04-20 Thread Helmut Jarausch
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

Re: [gentoo-user] NFS terribly slow on writes

2012-04-20 Thread Robert David
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

Re: [gentoo-user] NFS terribly slow on writes

2012-04-20 Thread Michael Mol
On Fri, Apr 20, 2012 at 2:29 PM, Helmut Jarausch jarau...@igpm.rwth-aachen.de wrote: 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

Re: [gentoo-user] NFS terribly slow on writes

2012-04-20 Thread Matthew Marlowe
the biggest things to think about: - nfs versions (some work better or are more compatible with others) - nfs write/read cache settings - use nfsstat to get an idea of what the nfs traffic is like - is filesystem constantly having locking issues or refreshing file attributes? might need to change