From owner-freebsd-virtualization@freebsd.org Mon Oct 26 16:35:34 2020 Return-Path: Delivered-To: freebsd-virtualization@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A0B8B44925A; Mon, 26 Oct 2020 16:35:34 +0000 (UTC) (envelope-from rainer@ultra-secure.de) Received: from connect.ultra-secure.de (connect.ultra-secure.de [88.198.71.201]) by mx1.freebsd.org (Postfix) with ESMTP id 4CKgS55g9Rz4SKw; Mon, 26 Oct 2020 16:35:33 +0000 (UTC) (envelope-from rainer@ultra-secure.de) Received: (Haraka outbound); Mon, 26 Oct 2020 17:34:11 +0100 Received-SPF: SoftFail (connect.ultra-secure.de: domain of ultra-secure.de does not designate 127.0.0.10 as permitted sender) receiver=connect.ultra-secure.de; identity=mailfrom; client-ip=127.0.0.10; helo=connect.ultra-secure.de; envelope-from= Received: from connect.ultra-secure.de (webmail [127.0.0.10]) by connect.ultra-secure.de (Haraka/2.6.2-toaster) with ESMTPSA id 30803D25-16D8-457D-9B40-3ADDAC8B2DC1.1 envelope-from (authenticated bits=0) (version=TLSv1/SSLv3 cipher=AES256-SHA verify=NO); Mon, 26 Oct 2020 17:34:03 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 26 Oct 2020 17:34:03 +0100 From: rainer@ultra-secure.de To: freebsd-virtualization@freebsd.org Cc: owner-freebsd-virtualization@freebsd.org Subject: Re: Why is it that when I run FreeBSD in a local KVM, it behaves normal, but when it run it in our OpenStack cloud, IO is painfully slow? In-Reply-To: <0466f1268c7059af6a5e9950e47db6a0@ultra-secure.de> References: <0466f1268c7059af6a5e9950e47db6a0@ultra-secure.de> Message-ID: <21190ba3e59dbe084511cefeee3af365@ultra-secure.de> X-Sender: rainer@ultra-secure.de User-Agent: Roundcube Webmail/1.2.0 X-Haraka-GeoIP: --, , NaNkm X-Haraka-GeoIP-Received: X-Haraka-p0f: os="undefined undefined" link_type="undefined" distance=undefined total_conn=undefined shared_ip=Y X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on spamassassin X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=ALL_TRUSTED,BAYES_00, SPF_SOFTFAIL,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.1 X-Haraka-Karma: score: 6, good: 1479, bad: 0, connections: 1485, history: 1479, pass:all_good, relaying X-Rspamd-Queue-Id: 4CKgS55g9Rz4SKw X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of rainer@ultra-secure.de designates 88.198.71.201 as permitted sender) smtp.mailfrom=rainer@ultra-secure.de X-Spamd-Result: default: False [-1.29 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; R_SPF_ALLOW(-0.20)[+mx:c]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[ultra-secure.de]; NEURAL_HAM_LONG(-0.97)[-0.968]; NEURAL_HAM_MEDIUM(-1.00)[-1.003]; NEURAL_HAM_SHORT(-0.12)[-0.119]; RCPT_COUNT_TWO(0.00)[2]; FROM_NO_DN(0.00)[]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:88.198.0.0/16, country:DE]; SUBJECT_ENDS_QUESTION(1.00)[]; MAILMAN_DEST(0.00)[freebsd-virtualization,owner-freebsd-virtualization]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Oct 2020 16:35:34 -0000 Am 2020-10-26 17:25, schrieb rainer@ultra-secure.de: > Hi, > > I uploaded the qcow2 image of 12.2RC3 and a recent 13-snapshot to our > Openstack Cloud. > > I use dc3dd wipe to test IO because it eliminates the filesystem. > > I don't really have a particular fast SSD in my office PC, but I get > around 100MB/s from writing zeros to the harddisk in CentOS. > I also get about 100MB/s on FreeBSD on my local PC. > > Sorry, I wanted to save this for later editing, but clicked send. I get maybe 20% IO performance in FreeBSD on Openstack. I'll add more information later.