Return-Path: linux-nfs-owner@vger.kernel.org Received: from fieldses.org ([174.143.236.118]:55349 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752343Ab3KDXDR (ORCPT ); Mon, 4 Nov 2013 18:03:17 -0500 Date: Mon, 4 Nov 2013 18:03:16 -0500 From: "J. Bruce Fields" To: Michael Richardson Cc: linux-nfs@vger.kernel.org, Shyam Kaushik Subject: Re: Need help with NFS Server SUNRPC performance issue Message-ID: <20131104230316.GE8828@fieldses.org> References: <20131031141538.GA621@fieldses.org> <29447.1383230746@obiwan.sandelman.ca> <20131031151442.GB621@fieldses.org> <10920.1383332943@sandelman.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <10920.1383332943@sandelman.ca> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Fri, Nov 01, 2013 at 03:09:03PM -0400, Michael Richardson wrote: > > J. Bruce Fields wrote: > > > There are some potential instabilities in frequency of IPv6 Router > > > Advertisements due to a bug in the CeroWRT, which initially I was blaming, > > > but I'm no longer convinced, since it happens over IPv4 on the storage VLAN > > > too. > > > > > > Shyam, please share with me your testing strategy. > > > > Your problem sounds different; among other things, it's with reads > > rather than writes. > > Well.... I sure have problems with writes too. > sshfs is way faster across a LAN, which is just wrong :-) That sounds suspect, yes, but we'd need some more details (exactly what's your test, and what results do you get?). --b.