Date: Tue, 16 Aug 2016 15:38:51 +0200 From: Borja Marcos <borjam@sarenet.es> To: =?iso-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com> Cc: rainer@ultra-secure.de, freebsd-xen@freebsd.org Subject: Re: Is it me or is FreeBSD slower on Xen than Linux? Message-ID: <00D22384-BAA7-42E4-A486-4BE07562D011@sarenet.es> In-Reply-To: <20160816132938.d2i4u2y3scpzi2et@mac> References: <b0fdde5d7abf905ca6dfd176f028332e@ultra-secure.de> <20160816085455.46a5slqsbgauod5t@mac> <2a0a5ae2821551935de329b8665834be@ultra-secure.de> <20160816100605.la63x2ju5bmtdqhl@mac> <e62d4e94ec36fa859783ddc0aeb1aa28@ultra-secure.de> <20160816110759.6xlvxikw3tziahfd@mac> <c3a3a7da26cd1a6a114c03e823926272@ultra-secure.de> <20160816132938.d2i4u2y3scpzi2et@mac>
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> On 16 Aug 2016, at 15:29, Roger Pau Monn=E9 <roger.pau@citrix.com> = wrote: >=20 >> Could this really be an UFS vs. ext4 thing? >=20 > Hm, maybe. There are a lot of moving pieces here that make it quite = hard to=20 > diagnose the issue properly. >=20 > Could you try to run something like UnixBench (or any other general=20 > benchmarking tool) inside of the Linux VM, the FreeBSD VM and a bare = metal=20 > FreeBSD install? This way we might be able to spot what's causing this=20= > slowdown. 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=20 FreeBSD UFS? It can make quite a difference. Borja.
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