Re: Network Performance?

[Tim Sailer]

On Tue, Jan 09, 2001 at 02:29:36PM -0500, John Heffner wrote:
> > --------------------------------------------
> > ports:/home/ftp# sysctl -a | fgrep net/core
> > net/core/optmem_max = 10240
> > net/core/message_burst = 50
> > net/core/message_cost = 5
> > net/core/netdev_max_backlog = 300
> > net/core/rmem_default = 32767			<<<<<<<<<
> > net/core/wmem_default = 32767			<<<<<<<<<
> > net/core/rmem_max = 2097152
> > net/core/wmem_max = 2097152
> > --------------------------------------------
> 
> The defaults must be large unless your application calls setsockopt() to
> set the buffers itself.  (Some FTP clients and servers can do this, but
> for testing, your're still probably better always having the _max's and
> _default's the same.)

Hm.. OK. I think we tried that, but I'll check again.

Thanks,
Tim

-- 
Tim Sailer <[e-mail]> Cyber Security Operations
Brookhaven National Laboratory  [phone]