From owner-freebsd-xen@freebsd.org Tue Aug 16 14:05:39 2016 Return-Path: Delivered-To: freebsd-xen@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 BA32ABBC2F9 for ; Tue, 16 Aug 2016 14:05:39 +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 28DB6169F for ; Tue, 16 Aug 2016 14:05:38 +0000 (UTC) (envelope-from rainer@ultra-secure.de) Received: (Haraka outbound); Tue, 16 Aug 2016 16:05:37 +0200 Authentication-Results: connect.ultra-secure.de; auth=pass (login); spf=none smtp.mailfrom=ultra-secure.de Received-SPF: None (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 EC28C248-A2F1-4E04-AD54-14C4574F49E3.1 envelope-from (authenticated bits=0) (version=TLSv1/SSLv3 cipher=AES256-SHA verify=NO); Tue, 16 Aug 2016 16:05:31 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Tue, 16 Aug 2016 16:05:30 +0200 From: rainer@ultra-secure.de To: Borja Marcos Cc: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , freebsd-xen@freebsd.org Subject: Re: Is it me or is FreeBSD slower on Xen than Linux? In-Reply-To: <872C5626-F58D-4F84-92AC-88B7352D1DDF@sarenet.es> References: <20160816085455.46a5slqsbgauod5t@mac> <2a0a5ae2821551935de329b8665834be@ultra-secure.de> <20160816100605.la63x2ju5bmtdqhl@mac> <20160816110759.6xlvxikw3tziahfd@mac> <20160816132938.d2i4u2y3scpzi2et@mac> <00D22384-BAA7-42E4-A486-4BE07562D011@sarenet.es> <8521aebaa093bcefe5956a71fd879140@ultra-secure.de> <872C5626-F58D-4F84-92AC-88B7352D1DDF@sarenet.es> Message-ID: 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=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.1 X-Haraka-Karma: score: 6, good: 20, bad: 0, connections: 20, history: 20, pass:all_good, relaying X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Aug 2016 14:05:39 -0000 Am 2016-08-16 15:48, schrieb Borja Marcos: >> On 16 Aug 2016, at 15:41, rainer@ultra-secure.de wrote: >> >> Am 2016-08-16 15:38, schrieb Borja Marcos: >>> >>> Maybe this is too obvious, my apologies in that case. But, how have >>> the filesystems been >>> created and mounted? Asynchronous? Synchronous? Journalling? >>> Softupdates in the case of >>> FreeBSD UFS? It can make quite a difference. >> >> >> FreeBSD >> >> /dev/ada2p1 on /home/db (ufs, local, soft-updates) >> >> >> >> Linux: >> /dev/mapper/system-lvm--home /home ext4 defaults 0 >> 2 >> >> >> What does "defaults" mean, BTW? > > That’s the mother of the lamb, we use to say in Spain ;) > > I guess it depends on the particular distribution, not just on being > ext4. Is there a tool similar to > dumpfs on Linux? Apparently, it's in cat /proc/mounts /dev/mapper/system-lvm--tmp /tmp ext4 rw,relatime,data=ordered 0 0 /dev/mapper/system-lvm--var /var ext4 rw,relatime,data=ordered 0 0 /dev/mapper/system-lvm--home /home ext4 rw,relatime,data=ordered 0 0 /dev/mapper/system-lvm--varlog /var/log ext4 rw,relatime,data=ordered 0 0 > You can also experiment with the FreeBSD options, maybe it will be a > quicker route. Try to mount as asynchronous. > In case it makes a big difference, you got it. But I don't really want to mount it asyncronous. Would it help to have journaling? Or is soft-updates already the "optimum"? https://www.freebsd.org/doc/handbook/configtuning-disk.html