Re: improving nfs client & server performance

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.