Re: An elevator algorithm (patch)

From: Rik van Riel (riel@conectiva.com.br)
Date: Tue Sep 19 2000 - 02:50:26 EST


On Mon, 18 Sep 2000, Andrea Arcangeli wrote:
> On Sun, Sep 17, 2000 at 05:38:17PM -0300, Rik van Riel wrote:
> > Yes, I run my system with elvtune -r 250 -w 500.
>
> Ok (sorry for asking, it was just to be sure).
>
> > But even with -r 5 -w 5, I saw starvation. This, and
>
> I'd call it "too high latency", not starvation.

When the latency gets above 10 minutes, I'd call it starvation ;)

> > the code, is a clear sign to me that Peter is absolutely
> > right and his corrections to the code should be merged.
>
> Peter correction can improve performance but it shouldn't
> decrease the latency significantly.

Not average latency no, but the starvation issue should be
fixed...

Rik

--
"What you're running that piece of shit Gnome?!?!"
       -- Miguel de Icaza, UKUUG 2000

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

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