ZFS performance bottlenecks: CPU or RAM or anything else?

[Alex Tutubalin]

On 5/17/2016 3:29 PM, Daniel Kalchev wrote:

> Not true. You can have N-way mirror and it will survive N-1 drive failures.
I agree, but 3-way mirror does not looks economical compared to raidz2.


> The limitations of RAIDZ performance do not come from CPU or RAM limitations, but by the underlying hardware. RAIDZ is limited to the performance of a single disk IOPS.
>
> CPU/RAM these days are so much faster than spinning disks or SSDs.

Ok. But why I've got different results in my Y2012 testing ( i3-2120 was 
1.5 times faster than Q9300 on same HDDs)?

Alex