Re: kswapd, kupdated, and bdflush at 99% under intense IO

From: Rik van Riel (riel@conectiva.com.br)
Date: Tue Apr 10 2001 - 17:16:06 EST


On Tue, 10 Apr 2001, Alan Cox wrote:

> > Any time I start injecting lots of mail into the qmail queue, *one* of the
> > two processors gets pegged at 99%, and it takes forever for anything typed
> > at the console to actually appear (just as you describe). But I don't see
>
> Yes I've seen this case. Its partially still a mystery

I've seen it too. It could be some interaction between kswapd
and bdflush ... but I'm not sure what the exact cause would be.

regards,

Rik

--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com.br/

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