Date: Tue, 16 Aug 2016 15:41:56 +0200 From: rainer@ultra-secure.de To: Borja Marcos <borjam@sarenet.es> Cc: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com>, freebsd-xen@freebsd.org Subject: Re: Is it me or is FreeBSD slower on Xen than Linux? Message-ID: <8521aebaa093bcefe5956a71fd879140@ultra-secure.de> In-Reply-To: <00D22384-BAA7-42E4-A486-4BE07562D011@sarenet.es> 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> <00D22384-BAA7-42E4-A486-4BE07562D011@sarenet.es>
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Am 2016-08-16 15:38, schrieb Borja Marcos:
>> 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.
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?
help
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