Re: swapping,any updates ?? Just wasted money on mem upgrade performance still suck :-(

From: Mark Hahn (
Date: Mon Jan 07 2002 - 11:21:04 EST

> On Mon, 7 Jan 2002, Alan Cox wrote:
> > > knobs. It just won't happen. Fixing VM behavior is the only way. It has to
> > > work satisfactorily _without_ tuning.
> >
> > Thats something you will never achieve. Virtual memory is about heuristics,
> > crystal ball gazing and guesswork. There are always some workloads where you
> > want little caching and some where you want lots of caching - such as a
> > fileserver.

non sequitur: Linus would like an adaptive VM, which recognizes
apps with the properties you describe. there's no theoretical
or practical reason this cannot be achieved.

> Thank you, Alan!! Now if the *other* kernel developers would just buy
> into this. :)

you have the source. whinging about knobs is just whinging.
all serious knobs require recompilation anyway.

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