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Subject: Re: Is it me or is FreeBSD slower on Xen than Linux?
From: Borja Marcos <borjam@sarenet.es>
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Date: Tue, 16 Aug 2016 15:38:51 +0200
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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.