> Mattias Pantzare wrote:
> That  would leave us with three options;
> 
> 1) Deal with it and accept performance as it is.
> 2) Find a way to speed things up further for this
> workload
> 3) Stop trying to use ZFS for this workload

Option 4 is to re-do your pool, using fewer disks per raidz2 vdev, giving more 
vdevs to the pool, and thus increasing the IOps for the whole pool.

14 disks in a single raidz2 vdev is going to give horrible IO, regardless of 
how fast the individual disks are.

Redoing it with 6-disk raidz2 vdevs, or even 8-drive raidz2 vdevs will give you 
much better throughput.

Freddie
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