Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751346AbWAQJuY (ORCPT ); Tue, 17 Jan 2006 04:50:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751349AbWAQJuY (ORCPT ); Tue, 17 Jan 2006 04:50:24 -0500 Received: from lucidpixels.com ([66.45.37.187]:52370 "EHLO lucidpixels.com") by vger.kernel.org with ESMTP id S1751346AbWAQJuV (ORCPT ); Tue, 17 Jan 2006 04:50:21 -0500 Date: Tue, 17 Jan 2006 04:50:20 -0500 (EST) From: Justin Piszcz X-X-Sender: jpiszcz@p34 To: Phil Oester cc: linux-kernel@vger.kernel.org, apiszcz@lucidpixels.com Subject: Re: Kernel 2.6.15.1 + NFS is 4 times slower than FTP!? In-Reply-To: <20060117012319.GA22161@linuxace.com> Message-ID: References: <20060117012319.GA22161@linuxace.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2492 Lines: 73 NFS is still twice as slow as FTP, but best with a r/w size of 8192. DEFAULT, NO OPTIONS # mount p34:/ /nfs/p34 $ /usr/bin/time cp 700mb.img /p34/x/d 0.01user 1.64system 0:34.23elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+196minor)pagefaults 0swaps TCP, NO CACHING # mount p34:/ /nfs/p34 -o nfsvers=3,tcp,noac $ /usr/bin/time cp 700mb.img /p34/x/a 0.02user 5.25system 0:58.43elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+197minor)pagefaults 0swaps UDP, NO CACHING # mount p34:/ /nfs/p34 -o nfsvers=3,noac $ /usr/bin/time cp 700mb.img /p34/x/b 0.02user 5.54system 1:00.34elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+196minor)pagefaults 0swaps UDP, NO CACHING (w/65535 r/w size) # mount p34:/ /nfs/p34 -o nfsvers=3,noac,rsize=65535,wsize=65535 $ /usr/bin/time cp 700mb.img /p34/x/c 0.01user 5.75system 0:59.89elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+196minor)pagefaults 0swaps # mount p34:/ /nfs/p34 -o nfsvers=3,rsize=8192,wsize=8192 0.04user 1.78system 0:14.16elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+190minor)pagefaults 0swaps UDP, NFSV3 + (w/8192 r/w size) $ /usr/bin/time cp 700mb.img /p34/x/g 0.04user 1.78system 0:14.16elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+190minor)pagefaults 0swaps TCP, NFSV3 + (w/8192 r/w size) 0.03user 1.81system 0:14.98elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+190minor)pagefaults 0swaps UDP, NFSV3 + (w/16384 r/w size) # mount p34:/ /nfs/p34 -o nfsvers=3,rsize=16834,wsize=16384 $ /usr/bin/time cp 700mb.img /p34/x/e 0.03user 1.75system 0:20.20elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+192minor)pagefaults 0swaps UDP, NFSV3 + (w/32768 r/w size) # mount p34:/ /nfs/p34 -o nfsvers=3,rsize=32768,wsize=32768 /usr/bin/time cp 700mb.img /p34/x/f 0.01user 1.59system 0:32.87elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+196minor)pagefaults 0swaps On Mon, 16 Jan 2006, Phil Oester wrote: > On Mon, Jan 16, 2006 at 08:07:02PM -0500, Justin Piszcz wrote: >> I suppose I should try NFS with TCP, yes? > > Precisely. > > Phil > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/