Re: Process Aggregates: module based support for jobs

From: Sam Watters (
Date: Fri Jun 16 2000 - 15:56:58 EST

Andi Kleen wrote:
> > 1. How to handle the counting of shared memory pages. This has been an
> > extremely difficult problem on IRIX to get right - in fact, it is still not done
> > correctly.
> All VM pages would be probably left out in the first implementation;
> it requires lots of infrastructure in the VM that just isn't there yet. They
> aren't that critical because they can be swapped out anyways. I'm looking
> primarily for a solution of limiting pinned down buffers (like network buffers)
> per user/group/job/login in.
> > 3. How to handle resource limits in the context of "cluster" jobs.
> You mean resource management in a beowulf ?

Yes. But the issue of how to handle resource limits on a mult-host parallel
jobs extends to other types of clusters. How resource limits should be handled
in such a context needs to be discussed.

> -Andi

Sam Watters
(651) 683-5647

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