Re: [RFC] RSS guarantees and limits

[Rik van Riel <riel@conectiva.com.br>]

On Thu, 22 Jun 2000, Stephen Tweedie wrote:
> On Thu, Jun 22, 2000 at 07:00:54PM +0100, John Fremlin wrote:
> > 
> > > - protect smaller apps from bigger memory hogs
> > 
> > Why? Yes, it's very altruistic, very sportsmanlike, but giving small,
> > rarely used processes a form of social security is only going to
> > increase bureaucracy ;-)
> 
> It is critically important that when under memory pressure, a
> system administrator can still log in and kill any runaway
> processes.  The smaller apps in question here are system daemons
> such as init, inetd and telnetd, and user apps such as bash and
> ps.  We _must_ be able to allow them to make at least some
> progress while the VM is under load.

Also, the memory space used by these small apps is usually
negligable compared to the memory used by the big program.

What is 2% memory use for the big program can be the difference
between running and crawling for something like bash...

regards,

Rik
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