On 10/14/2018 11:17 AM, reinerotto wrote:
> Running squid 4.3 on openwrt, I notice following warnings from time to time:
>
> 2018/10/14 16:36:39 kid1| WARNING: helper.sh #Hlpr2 exited
> 2018/10/14 16:36:39 kid1| Too few helper processes are running (need 1/5)
> 2018/10/14 16:36:39 kid1| Starting new helpers
> 2018/10/14 16:36:39 kid1| helperOpenServers: Starting 1/5 'helper.sh'
> processes
>
> which causes a new helper process to be created.
>
> Howver, the process considered to have exited is still alive, according to
> "ps". I can kill it manually, not causing a new warning again.
IIRC, squid does not monitor helper processes as such. Squid monitors
helper standard output stream (that output stream closure is interpreted
by Squid as helper exit). Also, Squid closes helper standard input
stream as a signal to the helper that the helper should exit.
> Any idea, which debug level to activate, to get some more info ?
> Because of limited resources, not too generous debugs, pls.
You can start with
debug_options ALL,2 54,5 84,5
If this is your own helper, then check that it does not close its
standard output except when exiting.
HTH,
Alex.
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