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SubjectRe: Interactivity improvements
On Thu, Aug 07, 2003 at 11:42:58AM -0400, Patrick McLean wrote:
>
>
> Richard Curnow wrote:
> >* Patrick McLean <pmclean@cs.ubishops.ca> [2003-08-07]:
> >
> >>Another point is compilers, they tend to do a lot of disk I/O then
> >>become major CPU hogs, could we have some sort or heuristic that reduces
> >>the bonuses for sleeping on block I/O rather than other kinds of I/O
> >>(say pipes and network I/O in the case of X).
> >
> >
> >What about compilers chewing on source files coming in over NFS rather
> >than resident on local block devices? The network waits need to be
> >broken out into NFS versus other, or UDP versus TCP or something. e.g.
> >waits due to the user not having typed anything yet, or moved the mouse,
> >are going to be on TCP connections.
> >
> Maybe if we had it reduce sleeping bonuses if it's waiting on filesystem

We are already doing this.

> access, this would cover NFS as the kernel does consider it a
> filesystem, this would cover SMB, AFS, etc as well.

Network interactivity is dealing with sockets, and such. Accessing NFS (and
other network filesystems) deals with a virtual block device, and gives
similar patterns to a local block device.
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