Re: Kernel 2.6.15.1 + NFS is 4 times slower than FTP!?

[Alan Cox]

On Maw, 2006-01-17 at 18:48 +0100, Tomasz KÅoczko wrote:
> > I wonder how much faster NFS over TCP would be, or if NFS in the kernel is 
> > the problem itself?
> 
> On Linux NFS over TCP is slower than over UDP ~10%.

For the specific case you measured. Its never quite that simple because
behaviour over different networks and error patterns varies a lot and
TCP can be a big win on loaded networks or under error conditions,
especially packet loss, where fragmentation losses kill throughput on
UDP.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/