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Subject: RE: 15000+ processes -- poor performance ?!
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Perez-Gonzalez, Inaky" <inaky.perez-gonzalez@intel.com>
Cc: "'Till Immanuel Patzschke'" <tip@inw.de>,
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On Thu, 2002-12-19 at 01:04, Perez-Gonzalez, Inaky wrote:
> 
> > 
> > forgot the kernel version (2.4.20aa1)...
> 
> You need the O(1) scheduler; not sure if aa has it or not; if not, lots of
> processes will suck your machine. I think -ac has the O(1) scheduler, or try
> 2.5. The old scheduler is pretty cool but not as scalable as the new one.
> 
> If it has it ... well, I have no idea - maybe Robert Love would know.

He's running the -aa kernel, which has all the right bits for this too.
In fact in some ways for very large memory boxes its probably the better
variant

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