Re: Broad questions about the current design

[Rik van Riel <riel@conectiva.com.br>]

On Mon, 12 Aug 2002, Scott Kaplan wrote:

>   I want a simpler, non-scanning structure.  I want the CLOCK/LRU SEGQ
> structure that I described.  So I'll just go ahead and do that, as it will
> be the basis of some other experiments that I'm trying to do.  Once (if?)
> I've managed that, we can try some workloads to see what the overhead of
> scanning is vs. the overhead of minor (non-I/O) page faults for the
> inactive list references.  My prediction for the outcome is as follows:

> Anyone think this is interesting?

Absolutely.  One thing to keep in mind though is streaming
IO and things like 'find' that touch a LOT of pages once.

We probably want some kind of mechanism to prevent these
streaming IO pages to flush out the whole working set at
once.

kind regards,

Rik
-- 
Bravely reimplemented by the knights who say "NIH".

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

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