Re: improving nfs client & server performance

 From my personal experience, regarding the usage with ZFS:

* SMR disks are are absolutely to avoid, their performance is horrible.
* QLC SSD disks are also horrible in performance - after a short burst
of performance they go back to spindling rust disks performance


On 15.11.24 17:30, J David wrote:
> On Mon, Oct 28, 2024 at 7:41 PM void <void@f-m.fm> wrote:
>> [1] context is root creating a tar on a nfs mount. The tar is huge,
>>       over a Tb,
> [...]
>> [2] The SMR hd
>
> FWIW, writing extremely large files is pretty much the worst-case
> scenario for SMR drives.
>
>> it just gets *very* *slow*.
>
> That's what SMR does.
>
>> It's zfs, but single disk, 8Tb.
>
> Perhaps I'm overstating the case, but I believe that using ZFS on SMR
> disks is strongly discouraged. I haven't tried myself, mainly due to
> the horror stories I've read. Stories that sound a lot like yours.
>