RE: Killing/balancing processes when overcommited

From: Rik van Riel (riel@conectiva.com.br)
Date: Thu Sep 12 2002 - 11:02:28 EST


On Thu, 12 Sep 2002, Giuliano Pochini wrote:
> On 11-Sep-2002 Jim Sibley wrote:
> > I have run into a situation in a multi-user Linux environment that when
> > memory is exhausted, random things happen. [...] In a "well tuned" system,
> > we are safe, but when the system accidentally (or deliberately) becomes
> > "detuned", oom_kill is entered and arbitrarily kills a process.
>
> It's not difficult to make the kerner choose the right processes
> to kill. It's impossible.

This assumes there is only 1 "good" process to kill. In reality
there will often be a number of acceptable candidates, so we just
need to identify one of those ;)

Rik

-- 
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