Re: swapping and the value of /proc/sys/vm/swappiness

[Florin Andrei]

On Mon, 2004-09-06 at 16:27, Andrew Morton wrote:
> Con Kolivas <kernel@xxxxxxxxxxx> wrote:

> >  The change was not deliberate but there have been some other people report 
> >  significant changes in the swappiness behaviour as well (see archives). It 
> >  has usually been of the increased swapping variety lately. It has been 
> >  annoying enough to the bleeding edge desktop users for a swag of out-of-tree 
> >  hacks to start appearing (like mine).
> 
> All of which is largely wasted effort.

>From a highly-theoretical, ivory-tower perspective, maybe; i am not the
one to pass judgement.
>From a realistic, "fix it 'cause it's performing worse than MSDOS
without a disk cache" perspective, definitely not true.

I've found a situation where the vanilla kernel has a behaviour that
makes no sense:

http://marc.theaimsgroup.com/?l=linux-kernel&m=109237941331221&w=2
http://marc.theaimsgroup.com/?l=linux-kernel&m=109237959719868&w=2
http://marc.theaimsgroup.com/?l=linux-kernel&m=109238126314192&w=2

A patch by Con Kolivas fixed it:

http://marc.theaimsgroup.com/?l=linux-kernel&m=109410526607990&w=2

I cannot offer more details, i have no time for experiments, i just need
a system that works. The vanilla kernel does not.

-- 
Florin Andrei

http://florin.myip.org/

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