Return-Path: linux-nfs-owner@vger.kernel.org Received: from mout.perfora.net ([74.208.4.195]:60347 "EHLO mout.perfora.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754307Ab2LRUgk (ORCPT ); Tue, 18 Dec 2012 15:36:40 -0500 Date: Tue, 18 Dec 2012 15:34:24 -0500 From: Jim Rees To: Keith Edmunds Cc: "J. Bruce Fields" , linux-nfs@vger.kernel.org Subject: Re: NFS access slow Message-ID: <20121218203424.GA15891@umich.edu> References: <20121218155248.49dfa1fd@kae.tiger-computing.wbp> <20121218185006.GA14716@fieldses.org> <20121218194251.5bf674ff@ws.the.cage> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20121218194251.5bf674ff@ws.the.cage> Sender: linux-nfs-owner@vger.kernel.org List-ID: Keith Edmunds wrote: OK, I wasn't aware of that. We were only testing that way to try to eliminate switches, cables, etc. I've just run a test from another server, both connected via 10G links, and I'm getting a read speed of just under 20BM/s and a write speed of 52MB/s. Something's wrong. What numbers do you get from iperf, or even something like wget? Are you setting anything unusual with sysctl?