From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D973EC433E0 for ; Thu, 4 Mar 2021 14:03:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A82764F0A for ; Thu, 4 Mar 2021 14:03:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233490AbhCDOC1 (ORCPT ); Thu, 4 Mar 2021 09:02:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234633AbhCDOCF (ORCPT ); Thu, 4 Mar 2021 09:02:05 -0500 Received: from fieldses.org (fieldses.org [IPv6:2600:3c00:e000:2f7::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E93A6C061756 for ; Thu, 4 Mar 2021 06:01:24 -0800 (PST) Received: by fieldses.org (Postfix, from userid 2815) id CBA6814DA; Thu, 4 Mar 2021 09:01:23 -0500 (EST) DKIM-Filter: OpenDKIM Filter v2.11.0 fieldses.org CBA6814DA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fieldses.org; s=default; t=1614866483; bh=xI9zn6TwdH+u8MQEdkT+UGc6IdP9UglKmCp+VJBIaME=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=DXEQVRci3YP+Yc6HkVt13De/Eu5mbSmy3HsrIzK/BbBc5lPQ3Ji28fMYzVI4/U/lV wFETPgq3WU0C7G3YgHRLruiYA4nKFMgre4D8nrAd6a2A5ps+8gXLM7NNddpD5iReR1 NsIQm0IMa3OfQ3Opjib9m4hmvW9WB3DLjKnuW+SQ= Date: Thu, 4 Mar 2021 09:01:23 -0500 From: "J. Bruce Fields" To: Steve Dickson Cc: Linux NFS Mailing list Subject: Re: [PATCH 0/7 V4] The NFSv4 only mounting daemon. Message-ID: <20210304140123.GA17512@fieldses.org> References: <20210219200815.792667-1-steved@redhat.com> <20210224203053.GF11591@fieldses.org> <1553fb2d-9b8e-f8eb-8c72-edcd14a2ad08@RedHat.com> <20210303152342.GA1282@fieldses.org> <376b6b0a-5679-4692-cfdb-b8c7919393a5@RedHat.com> <20210303215415.GE3949@fieldses.org> <16b186ea-1abc-511d-3c38-1014b470eaa0@RedHat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16b186ea-1abc-511d-3c38-1014b470eaa0@RedHat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On Thu, Mar 04, 2021 at 08:42:24AM -0500, Steve Dickson wrote: > > > On 3/3/21 4:54 PM, J. Bruce Fields wrote: > > On Wed, Mar 03, 2021 at 04:22:28PM -0500, Steve Dickson wrote: > >> Hey! > >> > >> On 3/3/21 10:23 AM, J. Bruce Fields wrote: > >>> On Tue, Mar 02, 2021 at 05:33:23PM -0500, Steve Dickson wrote: > >>>> > >>>> > >>>> On 2/24/21 3:30 PM, J. Bruce Fields wrote: > >>>>> On Fri, Feb 19, 2021 at 03:08:08PM -0500, Steve Dickson wrote: > >>>>>> nfsv4.exportd is a daemon that will listen for only v4 mount upcalls. > >>>>>> The idea is to allow distros to build a v4 only package > >>>>>> which will have a much smaller footprint than the > >>>>>> entire nfs-utils package. > >>>>>> > >>>>>> exportd uses no RPC code, which means none of the > >>>>>> code or arguments that deal with v3 was ported, > >>>>>> this again, makes the footprint much smaller. > >>>>> > >>>>> How much smaller? > >>>> Will a bit smaller... but a number of daemons like nfsd[cld,clddb,cldnts] > >>>> need to also come a long. > >>> > >>> Could we get some numbers? > >>> > >>> Looks like nfs-utils in F33 is about 1.2M: > >>> > >>> $ rpm -qi nfs-utils|grep ^Size > >>> Size : 1243512 > >>> > >>> $ strip utils/mountd/mountd > >>> $ ls -lh utils/mountd/mountd > >>> -rwxrwxr-x. 1 bfields bfields 128K Mar 3 10:12 utils/mountd/mountd > >>> $ strip utils/exportd/exportd > >>> $ ls -lh utils/exportd/exportd > >>> -rwxrwxr-x. 1 bfields bfields 106K Mar 3 10:12 utils/exportd/exportd > >>> > >>> So replacing mountd by exportd saves us about 20K out of 1.2M. Is it > >>> worth it? > >> In smaller foot print I guess I meant no v3 daemons, esp rpcbind. > > > > The rpcbind rpm is 120K installed, so if the new v4-only rpm has no > > dependency on rpcbind then we save 120K. > The point with rpcbind is it not going to be started which means > it not opening up listening connection that may never be used. > This has pissed of people for years! :-) OK, but we can do that without replacing mountd and changing the way everyone installs nfs-utils and runs the nfs server. --b.