From: "Eff Norwood" Subject: RE: huge number of intr/s on large nfs server Date: Wed, 16 Oct 2002 13:06:13 -0700 Sender: nfs-admin@lists.sourceforge.net Message-ID: References: <200210151622.07097.habanero@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Return-path: Received: from cynaptic.com ([128.121.116.181]) by usw-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 181uQv-0003mM-00 for ; Wed, 16 Oct 2002 13:06:21 -0700 To: "Andrew Theurer" , In-Reply-To: <200210151622.07097.habanero@us.ibm.com> Errors-To: nfs-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Unsubscribe: , List-Archive: > Are you sure you want to use raid5? Yes. I don't have enough disks to do a mirror/stripe combo and still get the space I want. > What mode did you use for ext3? try data=writeback For and NFS server, I think that's a bad idea since writeback can allow old data to show up in files after a crash. I used ordered. > This can be any module, binary only or not, for kernprof. It is > most likely > your module for the GigE card. Can you check, and if possible, > build it into > the kernel? I can't build the gigabit into the kernel because I need to pass the module parameters. The rest I can and will build into the kernel. > Also, make sure you reset the kernel profile after starting the > test, and stop > the profile before the test ends. Otherwise you are getting idle time > before/after the test. Got that ok. > Are you running hyperthreading? This is a little off topic, but when the > first problem is fixed, you might want to try hyperthreading. I > saw a 25% > improvement in netbench (samba) on a 2 way P4 Xeon. No, I'm not. I thought I read on LKML that hyperthreading did nothing except destabilize the system. > Also, your local dd test simulated the clients, right? 30 dd's? Right > What > throughput did you get? About 105-110MB/sec total. Thanks, Eff ------------------------------------------------------- This sf.net email is sponsored by: viaVerio will pay you up to $1,000 for every account that you consolidate with us. http://ad.doubleclick.net/clk;4749864;7604308;v? http://www.viaverio.com/consolidator/osdn.cfm _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs