On Mon, Jul 02, 2001 at 12:33:08PM +0100, Ben Harris wrote:
> On Mon, 2 Jul 2001, Ian Fry wrote:
> > On Sat, Jun 30, 2001 at 08:21:03PM +0100, Ben Harris wrote: Does this
> > actually alter the buffer sizes used by the kernel when reading, or just
> > maximum amount of data it will try to read at once (for NFS, obviously)?
> It just affects the size of read and write requests over NFS.  

That's what I suspected. I'll take that option out of my config from now on,
then - it does seem to slow NFS down a lot.

> For the most part, buffering in the kernel should be in page-sized chunks
> these days, which is less than wonderful for us.

Indeed :-( Is there anyway we could get the kernel memory allocator to
sub-divide pages into 'virtual' ones - say 4 or 8k, rather than 32?

Ian.