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Date: Thu, 29 Aug 2013 14:58:50 -0700
Message-ID: <CAOjFWZ5dRTybK=Wg7MWQZS+1JVCue0DjkWLu5asRp+kxZPdgZQ@mail.gmail.com>
Subject: Re: NFS on ZFS pure SSD pool
From: Freddie Cash <fjwcash@gmail.com>
To: Eric Browning <ericbrowning@skaggscatholiccenter.org>
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On Thu, Aug 29, 2013 at 2:55 PM, Eric Browning <
ericbrowning@skaggscatholiccenter.org> wrote:

> sysctl vfs.zfs.arc_meta_used yeilds:
>
> vfs.zfs.arc_meta_used: 6916698888
>
> There is 56GB of RAM dedicated to ARC
>

So that's using the full 12.5% (one eighth) of the ARC.  Depending on how
efficient your ARC is (high data hit rates, low data hit rates, low actual
memory usage, etc), you may want to test increasing this to see if it helps
with the NFS cache hit rates stuff.