Re: Kernel 2.6.8.1: swap storm of death - nr_requests > 1024 on swap partition

Marcelo Tosatti
2004-08-31T17:25:31Z

On Tue, Aug 31, 2004 at 08:24:31PM +0200, Karl Vogel wrote:
> On Tuesday 31 August 2004 18:52, Marcelo Tosatti wrote:
> > > Is there a concept of a minimum working set size of an application? (kind
> > > of the reverse of an RSS limit)
> >
> > Not really. A hungry memory app can starve the rest of the system.
>
> I noticed that a few times on our spamassassin box :-)
>
> > One thing: what kernel version are you using?
>
> 2.6.9-rc1-bk3

Can you try the same tests with 2.6.8.1 and check the difference, pretty please?

> > I've seen extreme decreases in performance (interactivity) with hungry
> > memory apps with Rik's swap token code.
>
> Decrease?!

Yep, its odd. Rik knows the exact reason.