[GLLUG] zfs on linux - lessons learned

[Jason L. Froebe]

Yes.  If deduplication is disabled, ZFS doesn't use much at all (kernel
module - I can't speak for the fuse module).  Approximately the same
overhead as btrfs.

jason


On Fri, Jun 13, 2014 at 10:04 PM, Charles Ulrich <charles at bityard.net>
wrote:

> On 06/12/2014 10:31 PM, Jason L. Froebe wrote:
>
>> 5) You need to disable dedup else your RAM will be consumed by ZFS.  If
>> you want to deduplicate your volume, expect 4GB of RAM per 1TB of storage
>>
>
> Is this what causes ZFS to use so much memory? The thing that's always
> kept me from seriously considering ZFS for anything was the monstrous RAM
> requirements.
>
> Thanks,
> Charles
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-- 
To stay young requires unceasing cultivation of the ability to unlearn old
falsehoods. -- Lazarus Long, "Time Enough For Love"
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