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Date: Tue, 17 Sep 2013 21:06:28 -0700
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Subject: Re: [gentoo-user] ZFS
From: Grant <emailgrant@gmail.com>
To: Gentoo mailing list <gentoo-user@lists.gentoo.org>
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>>>> Performance doesn't seem to be one of ZFS's strong points.  Is it
>>>> considered suitable for a high-performance server?
>>>
>>> ZFS is one of the fastest FS I am aware of (if not the fastest).
>>> You need a sufficient amount of RAM to make the ARC useful.
>>
>> How much RAM is that?
>
> 1G of RAM per 1TB of data is the recommendation.
>
> For de-duped data, it is considerably more, something on the order of 6G
> of RAM per 1TB of data.

Well, my entire server uses only about 50GB so I guess I'm OK with the
host's minimum of 16GB RAM.

- Grant