[Freeswitch-users] FreeSWITCH suddenly have a child processes

[Mike Jerris]

Probably something doing fork-exec and that not being closed properly

> On Aug 28, 2020, at 6:10 AM, <ziv at ip-com.co.il> <ziv at ip-com.co.il> wrote:
> 
> Hello
>  
> We have an occasional situation where the one FreeSWITCH process suddenly have a child process.
> We do not know what circumstances may have caused it. Happens every few days.
> The child process consumes memory like the normal process, which is a significant amount. It doesn’t consume CPU.
> In the case that we didn’t restart FreeSWITCH after the problem happened, later it happened again and we had 2 child processes.
> When killing the child process, FreeSWITCH seems to continue working normally, but this is not a thing we’d do on our production machines.
> Happens on one specific FreeSWITCH, our other machines do not show this behavior.
> The FreeSWITCH log for the time the child process starts shows initialization messages as when the normal process starts, but nothing that could tell us why the child starts.
>  
> After noticing the issue on FreeSWITCH 1.8.5, we upgraded to 1.10.5 via “apt” (didn’t build from source) but the problem is still there.
>  
> O/S: Debian 9.13 (we didn’t upgrade it when upgraded FreeSWITCH)
> FreeSWITCH: 1.10.5-release-17-25569c1631~64bit
> We use FusionPBX to operate the system.
>  
> “ps -ef” shows:
> UID        PID  PPID  C STIME TTY          TIME CMD
> freeswi+   470 23710  0 11:25 ?        00:00:00 /usr/bin/freeswitch -ncwait -nonat
> freeswi+ 23710     1 62 Aug26 ?        1-11:31:26 /usr/bin/freeswitch -ncwait -nonat
>  
> “top” shows
>   PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
> 23710 freeswi+  -2  19 3627008 1.543g  13972 S 110.7 20.7   2136:50 freeswitch
>   470 freeswi+  39  19 3615296 1.507g    884 S   0.0 20.2   0:00.02 freeswitch
> 

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