Why is NFSv4 so slow?

[Rick Macklem]

On Mon, 28 Jun 2010, Rick C. Petty wrote:

>
> I can try it again with v3 client and v4 server, if you think that's
> worthy of pursuit.  If it makes any difference, the server's four CPUs are
> pegged at 100% (running "nice +4" cpu-bound jobs).  But that was the case
> before I enabled v4 server too.
>
If it is practical, it would be interesting to see what effect killing
off the cpu bound jobs has w.r.t. performance.

rick