How many ram...

Albert Shih Albert.Shih at obspm.fr
Wed Jan 14 16:38:11 UTC 2015


 Le 13/01/2015 à 08:16:12-0600, Linda Kateley a écrit
> Jas,
>
> Most of those rules of thumbs are not valid. ZFS doesn't really need to
> keep data about metadata in ram. It keeps recently used and frequently
> used items in cache. There are some per disk caches but by default those
> are pretty small.
>
> I have a blog on a group that has a 350TB archive/backup system with
> 32GB ram. http://kateleyco.com/?p=815

That's very conforting ;-) That's mean I didn't need to by 1To of Ram when
I go to 1Po file server.

>
> Everything is dependent on use case. If you have many users all using
> the same file, frequently.. that will be cached. Sizing workload helps.

Thanks you to everyone.

Regards.

JAS

--
Albert SHIH
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mer 14 jan 2015 17:35:13 CET


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