Process checks

Rob Nelson rob at capband.net
Wed Jul 30 20:44:52 CEST 2003


How are process checks handled by Nagios? What I mean is if I set the max 
concurrent checks to 10, why do I only ever see 4-5 checks running at a 
time? Also, when I run into one bad check (i.e. failed ping), all the other 
checks stop until this one bad check times out three times in a row.

It doesn't make any sense, but I'm able to get a repeatable pattern out of 
this by stopping nagios, removing the .log and .sav file and restarting. 
Every time it gets to a downed host, it slows to a crawl. I am running 
Nagios 1.06b.

I have some other questions on things like latency (it says 1 / 2781 / 
2643.1 seconds on the tactical overview. What the heck does that mean?) and 
why service checks take soooo looong to process, but I have a feeling the 
bottleneck is in failing checks. I still have 60 checks out of 150 that 
haven't processed because of this in *three hours*.

Rob Nelson
Network Administrator, Capitol Broadband
C: 919-369-1874
rob at capband.net 



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