From owner-freebsd-stable@freebsd.org Tue Aug 25 14:04:57 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8D3A699A2AF for ; Tue, 25 Aug 2015 14:04:57 +0000 (UTC) (envelope-from gerrit.kuehn@aei.mpg.de) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 6383CA10 for ; Tue, 25 Aug 2015 14:04:57 +0000 (UTC) (envelope-from gerrit.kuehn@aei.mpg.de) Received: by mailman.ysv.freebsd.org (Postfix) id 6285D99A2AE; Tue, 25 Aug 2015 14:04:57 +0000 (UTC) Delivered-To: stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6213099A2AD for ; Tue, 25 Aug 2015 14:04:57 +0000 (UTC) (envelope-from gerrit.kuehn@aei.mpg.de) Received: from umail.aei.mpg.de (umail.aei.mpg.de [194.94.224.6]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 13C89A0F for ; Tue, 25 Aug 2015 14:04:56 +0000 (UTC) (envelope-from gerrit.kuehn@aei.mpg.de) Received: from mailgate.aei.mpg.de (mailgate.aei.mpg.de [194.94.224.5]) by umail.aei.mpg.de (Postfix) with ESMTP id B5EDB200240; Tue, 25 Aug 2015 16:04:52 +0200 (CEST) Received: from mailgate.aei.mpg.de (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 8E2FD405883; Tue, 25 Aug 2015 16:04:52 +0200 (CEST) Received: from intranet.aei.uni-hannover.de (ahin1.aei.uni-hannover.de [130.75.117.40]) by mailgate.aei.mpg.de (Postfix) with ESMTP id 016C3405881; Tue, 25 Aug 2015 16:04:52 +0200 (CEST) Received: from arc.aei.uni-hannover.de ([10.117.15.110]) by intranet.aei.uni-hannover.de (Lotus Domino Release 8.5.3FP6HF1691) with ESMTP id 2015082516044099-186007 ; Tue, 25 Aug 2015 16:04:40 +0200 Date: Tue, 25 Aug 2015 16:04:41 +0200 From: Gerrit =?ISO-8859-1?Q?K=FChn?= To: Rick Macklem Cc: stable@freebsd.org, Slawa Olhovchenkov Subject: Re: dev.ix.0.queueX.interrupt_rate Message-Id: <20150825160441.48ed35049f5947f0dbbaa801@aei.mpg.de> In-Reply-To: <202540715.30987815.1440503749374.JavaMail.zimbra@uoguelph.ca> References: <20150824192926.GL3158@zxy.spb.ru> <20150825095448.53458554a4ee7f96129a2d70@aei.mpg.de> <202540715.30987815.1440503749374.JavaMail.zimbra@uoguelph.ca> Organization: Max Planck Gesellschaft X-Mailer: Sylpheed 3.4.2 (GTK+ 2.24.22; amd64-portbld-freebsd10.0) Mime-Version: 1.0 X-MIMETrack: Itemize by SMTP Server on intranet/aei-hannover(Release 8.5.3FP6HF1691 | May 7, 2015) at 25.08.2015 16:04:41, Serialize by Router on intranet/aei-hannover(Release 8.5.3FP6HF1691 | May 7, 2015) at 25.08.2015 16:04:51, Serialize complete at 25.08.2015 16:04:51 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-PMX-Version: 6.0.2.2308539, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2015.8.25.135717 X-PerlMx-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, MIME_LOWER_CASE 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1000_LESS 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, BODY_SIZE_700_799 0, REFERENCES 0, __ANY_URI 0, __BOUNCE_CHALLENGE_SUBJ 0, __BOUNCE_NDR_SUBJ_EXEMPT 0, __CP_URI_IN_BODY 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HTTPS_URI 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __MULTIPLE_URI_TEXT 0, __REFERENCES 0, __SANE_MSGID 0, __SUBJ_ALPHA_NEGATE 0, __TO_MALFORMED_2 0, __URI_IN_BODY 0, __URI_NO_WWW 0, __URI_NS ' X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Aug 2015 14:04:57 -0000 On Tue, 25 Aug 2015 07:55:49 -0400 (EDT) Rick Macklem wrote about Re: dev.ix.0.queueX.interrupt_rate: RM> If you have tso enabled, you could try this patch: RM> https://reviews.freebsd.org/D3477 RM> RM> If TSO is disabled, then we don't have an explanation for poor NFS RM> performance yet. I tried both with or without TSO, and it does not appear to make any difference for me. I get about 50MB/s net write speed and about 200MB/s read. Even my 1GBE interface perform better in terms of writing. RM> If you haven't seen it, you might want to keep an eye RM> on this thread: http://docs.FreeBSD.org/cgi/mid.cgi?55DC1B5A.8010109 Yes, I am watching this. Thanks for the pointer. cu Gerrit