NFS on ZFS pure SSD pool
Eric Browning
ericbrowning at skaggscatholiccenter.org
Thu Aug 29 22:03:53 UTC 2013
Oops forgot to include the limit value
sysctl vfs.zfs.arc_meta_limit
vfs.zfs.arc_meta_limit: 14217216000
so using about 7 gig, limit is 14 gig.
On Thu, Aug 29, 2013 at 3:58 PM, Freddie Cash <fjwcash at gmail.com> wrote:
> On Thu, Aug 29, 2013 at 2:55 PM, Eric Browning <
> ericbrowning at 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.
>
>
--
Eric Browning
Systems Administrator
801-984-7623
Skaggs Catholic Center
Juan Diego Catholic High School
Saint John the Baptist Middle
Saint John the Baptist Elementary
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