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Date:      Wed, 28 Aug 2013 12:59:21 -0700 (PDT)
From:      Robert_Burmeister <robert.burmeister@utoledo.edu>
To:        freebsd-stable@freebsd.org
Subject:   Re: Suggest changing dirhash defaults for FreeBSD 9.2.
Message-ID:  <1377719961203-5839745.post@n5.nabble.com>
In-Reply-To: <20130828202535.ace8f6c882e94f21f7509966@getmail.no>
References:  <521C9E85.4060801@UToledo.edu> <CAE-mSOLCYRM0LRLRgmaEZN1u5ozttJZC3kWtw3Zarqik1N29zw@mail.gmail.com> <521D7552.5080008@UToledo.edu> <20130828202535.ace8f6c882e94f21f7509966@getmail.no>

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Torfinn Ingolfsen-5 wrote
> On Tue, 27 Aug 2013 23:58:10 -0400
> Robert Burmeister &lt;

> Robert.Burmeister@

> &gt; wrote:
>> 
>> As 64 bit platforms tend to have more RAM and use ZFS,
> Do you have any numbers for the "64 bit platforms tend to use ZFS"?

PCBSD and OSX both default to ZFS for their 64 bit installs,
and anyone else wanting to use ZFS will choose 64 bit for the address space.

Do to the kernel memory constraints, 
ZFS takes some configuration jiggering to work stably on 32 bit.




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