Is it me or is FreeBSD slower on Xen than Linux?

[rainer at ultra-secure.de]

Am 2016-08-16 15:38, schrieb Borja Marcos:
>> On 16 Aug 2016, at 15:29, Roger Pau Monné <roger.pau at 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?