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Re: djbdns-1.05-epoll + speedup patch

To: djbdns Mailing List <dns@list.cr.yp.to>
Subject: Re: djbdns-1.05-epoll + speedup patch
From: Sami Farin <safari-dns@safari.iki.fi>
Date: Thu, 8 Mar 2007 15:43:56 +0200
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On Thu, Mar 08, 2007 at 14:05:15 +0100, Felix von Leitner wrote:
> Thus spake Sami Farin (safari-dns@safari.iki.fi):
> > Well BIND seems to do better, according to this.
> > http://www.lurhq.com/cachepoisoning.html
> 
> Someone else already proved you wrong on this.

No, I was talking only about the PRNG analyzed by the vseq program.

...
> > And epoll was not the only improvement.
> 
> It is not even clear whether it is an improvement at all.  On my

That's because you are too stupid to realize that if it used 0.01% CPU
earlier, you won't notice if it uses now 0.005% CPU.

Everybody else understood this simple thing.
You need extra reading, for example:
http://www.kegel.com/c10k.html

> production servers dnscache produces negligible load in the first place.

-- 

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