[zfs-discuss] PostgreSQL on ZFS

Durval Menezes durval.menezes at gmail.com
Sat Oct 19 12:56:40 EDT 2013


Hello folks,

I'm very interested in this. What is a "good/safe" arc/l2arc proportion?

Cheers,
-- 
   Durval.
On Oct 19, 2013 1:52 PM, "Fajar A. Nugraha" <list at fajar.net> wrote:

> On Sat, Oct 19, 2013 at 8:45 PM, Gregor Kopka <gregor at kopka.net> wrote:
>
>>
>> Am 19.10.2013 12:11, schrieb Sander Klein:
>>
>>> The ARC is limited at 32G and it has a big L2ARC of 200G.
>>
>>
>
>> ARC needs to hold the headers for the L2ARC, with a small ARC and enough
>> L2ARC zfs can paint itself in a corner.
>>
>>
> Surely 32G ARC is more than enough to hold headers for 200G L2ARC?
>
> --
> Fajar
>
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