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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: freebsd-questions@freebsd.org
Subject: Re: FreeBSD + ZFS on a production server?
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>> This limit can be tuned. At least on solaris.
>> Also, ZFS definitely prefers a 64 bit kernel.
>
> That's good to know, thanks! Do you have any reference/link that
> describes how to manage that? It's good to know for the future.

when i tested it i was able to run it on 256MB machine stable after 
reading about tuning. but sorry i don't remember what options it were 
exactly.

>
> I always run my server on amd64-software, as far as I can, because I

me too, while not having 4GB anywhere. it just runs faster