You might consider cross-posting this question to zfs-discuss. I've been lead to believe that there are some known issues with ZFS/NFS performance. However, I don't know to what degree they would affect your configuration.
I apologize for the relatively un-helpful response. -j On Sun, Oct 01, 2006 at 12:02:53AM -0700, Ben Rockwood wrote: > The disk layout is RAIDZ2. The issue isn't present on ZFS local. The > problem is an NFS tuning issue. It is possible that there is a > ZFS-NFS issue, but I find that somewhat unlikely although I can't rule > it out. > > When I watch NFSD thread count during access I notice that only 5 > threads open during a 12MB untar via NFS. That points to a couple of > possible things that could be better, such as better caching on the > client side to allow more concurrent threads running back to the NFS > server allowing the actual IO to be less synchronous, but I'm not > really an NFS expert. I might be time for me to consider CacheFS on > the client side, but I think there is a much simpler tuning solution > that I'm simply unaware of or haven't attempted yet. > > benr. > > > This message posted from opensolaris.org > _______________________________________________ > perf-discuss mailing list > perf-discuss@opensolaris.org _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org
