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 Monné <roger.pau@citrix.com> wrote: > >> Could this really be an UFS vs. ext4 thing? > > Hm, maybe. There are a lot of moving pieces here that make it quite hard to > diagnose the issue properly. > > Could you try to run something like UnixBench (or any other general > benchmarking tool) inside of the Linux VM, the FreeBSD VM and a bare metal > FreeBSD install? This way we might be able to spot what's causing this > 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 FreeBSD UFS? It can make quite a difference. Borja.help
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