NFS Performance issue against NetApp

[Marc G. Fournier]

On 2013-04-24, at 16:02 , Rick Macklem <rmacklem at uoguelph.ca> wrote:

>> 
> Along with rsize,wsize you might want to try increasing readahead. The
> default is only 1.

Stupid question on this, possibly, but are the current defaults "sane" anymore, or residual from 'the old days'?   Like, I've read in many places where you should raise rsize/wsize … in what circumstances would leaving as the defaults make sense?