Performance issues, too

[Tobias Klausmann]

Hi! 

On Tue, 02 Jan 2007, Daniel Meyer wrote:
> Program Running Time:                 10d 21h 22m 42s
> 
> So, for almost eleven days nagios runs smoothly now, no more
> latency problems. I'll try it again with EPN (but still without
> perlcache) now.

I've finally gotten around to recompile Nagios without EPN and
without the Perlcache. As you can see on these graphs:

http://eric.schwarzvogel.de/~klausman/nagios-perf-3/

(especially
http://eric.schwarzvogel.de/~klausman/nagios-perf-3/latencies.png
)

I didn't quite help (much). While the curve now has a flatter
slope and it even goes down in spots, it still seems to ever
increase on the whole. Even it would stay on the level we saw
last night (~100s check latency) I wouldn't be too happy. With a
300s check interval, 100s latency is just too much (IMHO).

What's left is enabling Perlcache again (yet keeping EPN off).
I'm not terribly hopeful that that will help, but I'm running out
of ideas quickly.

Also note that switching *off* EPN/PC led to *less* CPU usage. 
Strange, isn't it?

Regards,
Tobias
-- 
Never touch a burning system.

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