Hi Michael, can you please paste us the entire configuration for your farm.
Maybe The process in defunct mode can be marked in this status because the
pattern process (PID: 30470) isn't closing them in a correct mode, even
though the processes in defunct mode should disappear. (Confirm that please)
Regards
2013/6/17 Michael De Swert <[email protected]>
> Hello,
>
> I have a small issue with backend checking with l4txnat. I have a
> cluster with 2 servers and 3 farms (http and https) with l4txnat that
> monitors the backends with farmguardian.
>
> This is working ok, however I have defunct check_http processes that
> start accumulating. This can be extremely high after a while like more
> then 4000-5000 defunct processes. It seems to increase when there is a
> backend that is down.
>
> I use the 2 following nagios/farmguardian checks every 5 seconds (1 for
> http, 1 for https):
> check_http -l HOST -p 80 -w 5 -c 10 -t 15
> check_http -l HOST -S -w 5 -c 10 -t 15
>
> ps shows:
>
> 9924 30470 0 11:53 ? 00:00:00 [check_http] <defunct>
> 14444 30470 0 12:26 ? 00:00:00 [check_http] <defunct>
> 30470 1 0 10:23 ? 00:00:03 /usr/bin/perl
> /usr/local/zenloadbalancer/app/farmguardian/bin/farmguardian port443 -l
>
>
> Stopping and starting farmguardian backend checks through the GUI fixes
> the issue and makes these dissapear. So when the parent stops, the
> childs also quit.
>
> Anyone having an idea why they are defunct instead of closing?
>
> Best regards,
>
> Michael
>
>
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