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SubjectRe: Hardcore trashing without any swap
On Fri, 11 Jun 2010 02:10:33 +0200
László Monda <> wrote:

> Hi List,
> The problem I'm facing with is very simple, yet extremely irritating
> in nature. I have a laptop with 4G RAM and I don't use any swap.
> Whenever the RAM is full my system keeps trashing. This makes X and
> SSH completely unresponsive for about a hour then a bunch of processes
> gets killed and it's usable again.
> How is possible that my system is trashing even though I don't use any swap?

Because you don't have any swap. Its having to dump stuff it doesn't want
to like bits of applications that it can retrieve back from disk.

> I'd expect the kernel to immediately kill the largest process without
> any trashing so I could continue my work right after the event. How
> is it possible to configure?

It isn't.

However if you want to avoid overcommit and thrashing play with

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