Re: 2.6.0 NFS-server low to 0 performance

[Mike Fedyk <mfedyk@matchmail.com>]

On Wed, Jan 07, 2004 at 07:13:46PM +0100, Guennadi Liakhovetski wrote:
> On Wed, 7 Jan 2004, Mike Fedyk wrote:
> 
> > On Tue, Jan 06, 2004 at 01:46:30AM +0100, Guennadi Liakhovetski wrote:
> > > It is not just a problem of 2.6 with those specific network configurations
> > > - ftp / http / tftp transfers work fine. E.g. wget of the same file on the
> > > PXA with 2.6.0 from the PC1 with 2.4.21 over http takes about 2s. So, it
> > > is 2.6 + NFS.
> > >
> > > Is it fixed somewhere (2.6.1-rcx?), or what should I try / what further
> > > information is required?
> >
> > You will probably need to look at some tcpdump output to debug the problem...
> 
> Yep, just have done that - well, they differ... First obvious thing that I
> noticed is that 2.6 is trying to read bigger blocks (32K instead of 8K),

You mean it's trying to do 32K nfs block size on the wire?

> The bz2 tarball is 50k big, so, not too bad for the list either, but it is
> not a common practice to send compressed attachments to the list, right?
> It's 5M uncompressed.

Just post a few samples of the lines that differ.  Any files should be sent
off-list.