From owner-svn-src-head@FreeBSD.ORG Fri Jan 10 17:30:37 2014 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 919D8BA2; Fri, 10 Jan 2014 17:30:37 +0000 (UTC) Received: from mail-qa0-x22f.google.com (mail-qa0-x22f.google.com [IPv6:2607:f8b0:400d:c00::22f]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 199EF1EF9; Fri, 10 Jan 2014 17:30:37 +0000 (UTC) Received: by mail-qa0-f47.google.com with SMTP id j5so99076qaq.34 for ; Fri, 10 Jan 2014 09:30:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=YKyuqL0DILaUb75ihm+3+L8fqNPptxNPXvrXsszXgcg=; b=LxFxby+ViWUhtMRo733eZ/SsjaUK49sgXsdS/AiCXz4lsfPqwH4N8BjtG/bcfxNt+t SzGYxBVXaNLD2y872ndOV2IyD0VSsS5a7OADL72hhrMNgt5FJjvoD6VA4PGLs7Co1IFy RKk7LH9UbTThX506KKoKljicMxfijT3EB3G+eWAufcZiy7z2TAZsKOv1iaAnmCVAegKj M7jcfmAFZrsZxKKeEO//y68vjO/ptR1B4fuxWmnaHUxoJw1h6gMWEy+qot6FRQgdoNYO 4uxTXNrCEmAL0BopDjgc7w4as4xs4fPLtc+Plnyl8PxkwszPhZxkqIyRuqcyCraObiRB BSHA== MIME-Version: 1.0 X-Received: by 10.224.13.141 with SMTP id c13mr9724650qaa.76.1389375036320; Fri, 10 Jan 2014 09:30:36 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.224.52.8 with HTTP; Fri, 10 Jan 2014 09:30:36 -0800 (PST) In-Reply-To: <52CF976A.3070501@fsn.hu> References: <201401091555.s09Fttju004938@svn.freebsd.org> <52CEC79F.2090708@FreeBSD.org> <52CECE57.4040002@FreeBSD.org> <52CF976A.3070501@fsn.hu> Date: Fri, 10 Jan 2014 09:30:36 -0800 X-Google-Sender-Auth: 9lGu8ki-77Pd97yHwoHasdDac8E Message-ID: Subject: Re: svn commit: r260486 - head/etc/defaults From: Adrian Chadd To: Attila Nagy Content-Type: text/plain; charset=ISO-8859-1 Cc: "svn-src-head@freebsd.org" , Alexander Motin , "src-committers@freebsd.org" , "svn-src-all@freebsd.org" X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Jan 2014 17:30:37 -0000 On 9 January 2014 22:47, Attila Nagy wrote: > We have 2 and 4 hw.ncpu NFS servers with 70+ disks, so there may be cases, > where even the default maximum of 256 threads is not enough to feed the > -otherwise slow- disks. > I guess the real solution here is to change the nfsd worker model to async. > > (adapting to top poster) I think there's some work going on to migrate the UFS code to expose a fully async strategy routine. Once that's done an async nfsd becomes much, much more doable. -a