From owner-freebsd-cloud@freebsd.org Wed May 11 20:22:08 2016 Return-Path: Delivered-To: freebsd-cloud@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 C6C01B370B6 for ; Wed, 11 May 2016 20:22:08 +0000 (UTC) (envelope-from bhoward@digitalocean.com) Received: from mail-vk0-x231.google.com (mail-vk0-x231.google.com [IPv6:2607:f8b0:400c:c05::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 91B831E50 for ; Wed, 11 May 2016 20:22:08 +0000 (UTC) (envelope-from bhoward@digitalocean.com) Received: by mail-vk0-x231.google.com with SMTP id o133so72187529vka.0 for ; Wed, 11 May 2016 13:22:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=digitalocean.com; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to; bh=/2DiDbV8odDT53sH2NuBlSZvcSUHr8Avszc5r4CxMfA=; b=SfLqeW1MqRUlEE4tO2x2k/tgG35l0hGJmG/5Mg7bbqjq4JOum6rUu2palJRQWS6JL5 yNvTaFgYiqSSrJaCw2Ps+OJfY1hSv+wD8q6GkZrm4BG6jzAO8Cy6O3CGWv1JW2Kt+vS9 Q6kO3jBn13M/R3FSah8F80/eKUPF0++8j2HRA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to; bh=/2DiDbV8odDT53sH2NuBlSZvcSUHr8Avszc5r4CxMfA=; b=T/jrjbZXNl46ACeh+ciCg4XsEgFbeG97qEs+ddy13Qtb7ge+6yFTISBcMvQXgZEoij vvw5rJOWv+RehFQzrCdUENtXdGr1FKwPzpWwlH+Ra8kz4ZkqCJHQxgGkiPj8riitg/Lv RSEX4xInM/MimX3vgrp7W5qJB9lo+sljv0AuQFSZGn/cDzKaEovkAbvGrOtBKquPzcop mv4xHu3ASeHfcPfM0EIswVylEaDd3Ya9j270X70bmAbTTc4bsQCmoPQuZW1N7+LrEbkM CmSntH7QnJKRXvK9k9rELU3PzlrJ3xJnHWO4POycd3UXUDdHL8vwnO92omuiz7AU8dAW 0Q9w== X-Gm-Message-State: AOPr4FXlEkOFMZM8w1L3AWrnx1IlFV0GRUkjdqL0PTPJ45m0XjsD7vdO+/8bRxmdGQgCKAJYZ0UN41RE6wavNxRs MIME-Version: 1.0 X-Received: by 10.31.69.7 with SMTP id s7mr2806305vka.47.1462998127592; Wed, 11 May 2016 13:22:07 -0700 (PDT) Received: by 10.31.154.13 with HTTP; Wed, 11 May 2016 13:22:07 -0700 (PDT) In-Reply-To: References: Date: Wed, 11 May 2016 14:22:07 -0600 Message-ID: Subject: Re: Help with a performance issue From: Ben Howard To: freebsd-cloud@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-cloud@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "FreeBSD on cloud platforms \(EC2, GCE, Azure, etc.\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 May 2016 20:22:08 -0000 The short story is that we are seeing profound differences between UFS and ZFS in terms of network to disk writes. # FreeBSD with ZFS $ fetch http://speedtest.bahnhof.se/1000M.zip 1000M.zip 27% of 1000 MB 11 MBps 01m00s # Stock FreeBSD in NYC3 with UFS: $ fetch http://speedtest.bahnhof.se/1000M.zip 1000M.zip 1% of 1000 MB 529 kBps 32m12s The test case is flaky, unfortunately. Switching the backing filesystem, IMHO, should not illicit such a massive difference. Any ideas? Thanks, Ben On Wed, May 11, 2016 at 1:47 PM, Ben Howard wrote: > Howdy, > > I work for DigitalOcean and am responsible for our base images. Currently > we offer FreeBSD, and unfortunately, it has some rough edges. > > If anyone would like to help to make it better, please drop me an email. > > Thanks, > Ben >