Load balancing and other issues

[Alan Cox]

> I still don't see what's wrong with my suggestion of replacing fork, and
> having it call bproc_rfork if the file descriptors are stdio only, and the
> load is above a certain threshold.. This would still be transparent for the
> most part, and with this we have the advantage that programs don't need to be
> rewritten or modified to take advantage of the cluster to some extent.

The dcache in 2.2 means you can also answer the question "what is the path
of this fd" - that means you can not only have bproc_rfork handle stdio
via forwarding over a tty/pty pair but also check other files involved
to see if the path is within the clusterwide NFS filestore

Alan