High load average mail server 5.3-RELEASE

[Francisco Reyes]

On Thu, 22 Sep 2005, Eric Anderson wrote:

> Also, if it is an NFS server, one should check the cpu times on the nfsd 
> processes.  I've found that many times there aren't enough nfsd processes to 
> take the load from many clients.  Increasing the number (double it) often 
> helps this.  The max in 5.3 is 20, but you can easily change it and get 
> around it.

What is the parameter to change the number of nfsd processes?