[mrtg-developers] Re: proposed mrtg performance improvements?

[gary.post at amd.com]

i have made five cron jobs

0,5,10,15 ... * * * /etc/cron.0
1,6,11,16 ... * * * /etc/cron.1
. . . .
4,9,14,19 ... * * * /etc/cron.4

1/5 of the queries run every minute - /etc/cron.x directory has several smaller easier to manage *.cfg files - load balances better

ya'll should be able to take it from here ;-> - if anyone needs a more detailed example, contact me directly


-----Original Message-----
From: Tobias Oetiker [mailto:oetiker at ee.ethz.ch]
Sent: Thursday, November 20, 2003 2:40 PM
To: Dave Plonka
Cc: mrtg-developers at list.ee.ethz.ch
Subject: [mrtg-developers] Re: proposed mrtg performance improvements?


Hi Dave,

you select patch sounds cool ... the other bits I am not quit shure
about. Wouldn't it be enought to split your cfg file in 2 parts and
run them in parallel (to cater for the needs of your smp system)
... what we want to achive is, that the cpu is working 100%, right ? ...
The snmp acquision phase has an enormouse amount of
latency, I added the forking there ... for the other bits I do not
see where the latency comes in ...

Have you used the perl profiler on the code, this might reveal
where the hotspots are in the code ...

cheers
tobi

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