Received: by 2002:a25:c205:0:0:0:0:0 with SMTP id s5csp7088099ybf; Fri, 6 Mar 2020 10:07:03 -0800 (PST) X-Google-Smtp-Source: ADFU+vs97qxHTX6VWQ5FQXXJ6rrZs8w7yLgmCYpCdshBayu1xfef0RDMkL7Baq/dycXCnfQYudFc X-Received: by 2002:a05:6830:46:: with SMTP id d6mr3600570otp.81.1583518023057; Fri, 06 Mar 2020 10:07:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1583518023; cv=none; d=google.com; s=arc-20160816; b=Vyhko6dS4zxLJkBMbdHIRCMQ5KVIsWhBZUQtP7xnCJxVVC3A2X0SdDajeW0yoWKtiP gLV8pqVRZC0ZhBo6VEt4pVu3Xq3Pl28m/WVJ1rt0pqupJuSfFDFjcNNJlAcfnVnLwpM/ FeLOqPtVYyJoeGNZ/MhEotQIOIDt2rtWhT5G9OIl4BVUZn6QsUGfFxdSRcBPJS6BGqAz cBgl1+b8+b38G710jUdwXtzK/3jSdbj/zkv3Vp2Ltnthz+pwoIXn8UntK5ryqgFoDIOb IJ8OK8NHny6ck8uLLC1uVFb0fhBbvW6xOcE2hV+LKZShruJe50Sf2YBdVMG65vYjads/ +BTQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=R+D+YVFzBpab/a/oETyd8JOhX8+iIXuD/xsu7I7jDGU=; b=LT2DiLFSkhPVrNCp6pTvhMcmiScktOY9XxFRG2Szn7vxC0ZUR9dFQFSxbfsUoH64Ck /+6wn19voyyVReZg7AQA1xz00FAZYQITLJu2wtKthE3bFvO7H31QNG8BX25JJEGV05TA ly6GEyNhEk8EaAI/+kYTVd1vFLhxNCskTMJzdMSrAbtchOCfpuJwchiAj5QJUy8KDT+R TnCPZLSUxmZHTMcUtgDK0GhL3dZJMYog5WPwNdW4fVStoAMPeoy5mDLT5LWgqxQZ5yMt cBXGqTXz5efnYZPWzj+SuDzNLtx+seSpvLyknOYqtVS48n0xtumHsMOPZU7InbQciUXo RQbw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ziepe.ca header.s=google header.b=ZKn4HsWX; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x14si1875330oto.221.2020.03.06.10.06.35; Fri, 06 Mar 2020 10:07:03 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ziepe.ca header.s=google header.b=ZKn4HsWX; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726738AbgCFSGV (ORCPT + 99 others); Fri, 6 Mar 2020 13:06:21 -0500 Received: from mail-qt1-f196.google.com ([209.85.160.196]:36266 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726702AbgCFSGU (ORCPT ); Fri, 6 Mar 2020 13:06:20 -0500 Received: by mail-qt1-f196.google.com with SMTP id m33so2382794qtb.3 for ; Fri, 06 Mar 2020 10:06:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=R+D+YVFzBpab/a/oETyd8JOhX8+iIXuD/xsu7I7jDGU=; b=ZKn4HsWX/wihRX43168ygKelXIq7IyE6tQUrLFthMbVhuNo7Np6HDZi+yjviWK7i7o xe/EaRY5KIB7ZCsWyxufmuNZdirAQ/w5ARb1cz9E1dohLSB/1gUUV2zj7dHI5vKR925n UaTlj/KVOXAOuE/Kuk1LO572OHELhFxdgKtrGMWhnwU4kI1pNMTYeEY7Dm7yM7GnnVJF BW+BYMUjrZdcqOgN3TLdcIYtyPQWN0KkvSCalbphWlbjppqfNiYn/lKOaGZgHUZuO++8 QCRACRYdjE3sYwA/XX/uDMTS1FJ5SicmD/+V2mjtfD6AwDv6yS9/TlfF5asP/D2rxV2o O6Nw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=R+D+YVFzBpab/a/oETyd8JOhX8+iIXuD/xsu7I7jDGU=; b=ZWr9d7r5aboMFaEdSpJKIxg09mLiceTGaKHCSxR0WnsJLVMnulor1LqTiXERro7/z/ jYnkb/r/0Y+RnbL9bCv8f/GTjgo0An8EF+Num34DKjb5iremOtwgIMQoCwtCt6Xk77Fn 9tpMvE2+QVYfOo9Yl2sEI/O+ZbH9WRURZ+Lnxf+BAm4ihizGrXD9l0vTNjGBX7kVR3/K A/4Evx055mAePt15CVdn06csAicHr7g4Wk6izJ3XJL0fmSzVWl4nSSlQMTihnmLfUbzV zXbbNPLSORDqKfVYYdcY4CgbPtLnKcYpnp872vQTfOfJ3VsSmgrAM8dxB+yNSVbefTda ArAg== X-Gm-Message-State: ANhLgQ2j5gwsBYodcgM20/V3dbEVchQgvPBlUQ0D31VbuRGyv8pzdpiR Y4VwxdDdDREyqieloVNya3PGyw== X-Received: by 2002:ac8:130d:: with SMTP id e13mr2323731qtj.363.1583517979511; Fri, 06 Mar 2020 10:06:19 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-68-57-212.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.57.212]) by smtp.gmail.com with ESMTPSA id z4sm15670862qtm.69.2020.03.06.10.06.18 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 06 Mar 2020 10:06:18 -0800 (PST) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1jAHMY-0006GF-E1; Fri, 06 Mar 2020 14:06:18 -0400 Date: Fri, 6 Mar 2020 14:06:18 -0400 From: Jason Gunthorpe To: James Bottomley Cc: Matthew Wilcox , Josef Bacik , lsf-pc , Linux FS Devel , linux-mm@kvack.org, linux-xfs@vger.kernel.org, Btrfs BTRFS , bpf@vger.kernel.org, linux-ext4@vger.kernel.org, linux-block@vger.kernel.org Subject: Re: [LSFMMBPF TOPIC] Killing LSFMMBPF Message-ID: <20200306180618.GN31668@ziepe.ca> References: <20200306160548.GB25710@bombadil.infradead.org> <1583516279.3653.71.camel@HansenPartnership.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1583516279.3653.71.camel@HansenPartnership.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Fri, Mar 06, 2020 at 09:37:59AM -0800, James Bottomley wrote: > On Fri, 2020-03-06 at 08:05 -0800, Matthew Wilcox wrote: > [...] > > 2. Charge attendees $300 for a 3-day conference. This seems to be > > the going rate (eg BSDCan, PGCon). This allows the conference to be > > self-funding without sponsors, and any sponsorship can go towards > > evening events, food, travel bursaries, etc. > > Can I just inject a dose of reality here: The most costly thing is > Venue rental (which comes with a F&B minimum) and the continuous Tea > and Coffee. Last year for Plumbers, the venue cost us $37k and the > breaks $132k (including a lunch buffet, which was a requirement of the > venue rental). Given we had 500 attendees, that, alone is $340 per > head already. Now we could cut out the continuous tea and coffee ... > and the espresso machines you all raved about last year cost us about > $7 per shot. But it's not just this, it's also AV (microphones and > projectors) and recording, and fast internet access. That all came to > about $100k last year (or an extra $200 per head). So you can see, > running at the level Plumbers does you're already looking at $540 a > head, which, co-incidentally is close to our attendee fee. To get to > $300 per head, you lot will have to give up something in addition to > the espresso machines, what is it to be? Yes, I can confirm this from another smaller hotel-style conference I've been involved organizing on occasion. $600-$800 is required to break even without major sponsorship $$ for the ~100 people mark, and that is without the usual food and venue perks we see at plumbers/lsfmm. Jason