Flapping Thresholds

Sand Philipp Philipp.Sand at sycor.de
Mon Jan 24 14:26:37 CET 2005


> Sand Philipp wrote:
> > Hi,
> > 
> > In the Documentation it's said, that the flapping 
> functionality uses 
> > the last 21 check results to calculate the % of flapping. Is it 
> > possible change that array into maybe 80 instead of 21 
> check results 
> > stored in an array?
> Yes, but with a rather violent increase in memory used by a 
> running Nagios process. It's (sizeof(ptrdiff_t) * 59 * (hosts 
> + services)) byte increase in allocated memory only. The data 
> PTE will grow even more (it's bloated already, but still).
Ok, i think I'll check it out. Can you please give a hint, where to look
in the sourcecode?

> > Is it safe to hack it into the sourcecode?
> Yes. It's a computer program we're talking about, not The Bomb.
You never know :-p

> > Has anyone experiences with it?
> Kernighan & Ritchie have extensive, as does a couple of 
> hundred million people worldwide. C is a very wellknown 
> language, after all.
Ah..ok... :-/


Thanks,
Philipp


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