ZFS cpu requirements, with/out compression and/or dedup

Quartz quartz at sneakertech.com
Sun Sep 20 21:11:57 UTC 2015


> Any algorithm for TB's of storage and cpu/ram is usually wrong.

dedup is kind of a special case though, because it has to keep the 
entire DDT in non-paged ram (assuming you want the machine to be usable).

Of course, the rule of thumb is for USED space. 40TB of blank space 
won't need any ram obviously.



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