[pgpool-general: 2880] Re: pgpool children process in DISCARD state

[Stéphane Bouteille]

Thkx, i’ll try

Stéphane

Le 26 mai 2014 à 10:01, Yugo Nagata <nagata at sraoss.co.jp> a écrit :

> On Mon, 26 May 2014 09:41:46 +0200
> Stéphane Bouteille <stephane.bouteille at novigotech.com> wrote:
> 
>> Thanks for your response.
>> 
>> Do you known why these processes are in this state ?
>> 
>> So there is nothing automated in pgpool to prevent this behavior ?
> 
> 
> I don't know why tomcat failed to disconnect or how connection status is
> exatly in your case. But, you can specify child_life_time or client_idle_limit
> to terminate children process which are idle too long.
> 
> http://www.pgpool.net/docs/latest/pgpool-en.html#CHILD_LIFE_TIME
> http://www.pgpool.net/docs/latest/pgpool-en.html#CLIENT_IDLE_LIMIT
> 
>> 
>> Stéphane
>> 
>> Le 26 mai 2014 à 09:17, Yugo Nagata <nagata at sraoss.co.jp> a écrit :
>> 
>>> Hi,
>>> 
>>> On Tue, 20 May 2014 18:01:27 +0200
>>> Stéphane Bouteille <stephane.bouteille at novigotech.com> wrote:
>>> 
>>>> Hi,
>>>> 
>>>> I’ve been using pgpool for while but I have a problem with it:
>>>> * Version of pgpool : 3.3.1
>>>> * Version of postgresql : 9.1
>>>> * Using hibernate and c3p0
>>>> 
>>>> When i shutdown my tomcat not cleanly (so connections are not well closed), some children processes of pgpool appeared with a ‘ps -ef’ command as DISCARD. Therefore, there are not available for allocation. How can I fixed it with a pgpool config or can i use pcp command to kill a child or is it possible to kill it by a shell command and then, pgpool recreate one ?
>>> 
>>> I'm not sure how ps command resuls, but you can kill a child process by `kill -9`
>>> and kiilled the new child process would be restarted by the main process if this 
>>> is running. There is no pcp command to kill children processes
>>> 
>>>> 
>>>> Thanks for your help.
>>>> 
>>>> Stéphane
>>>> 
>>>> _______________________________________________
>>>> pgpool-general mailing list
>>>> pgpool-general at pgpool.net
>>>> http://www.pgpool.net/mailman/listinfo/pgpool-general
>>> 
>>> 
>>> -- 
>>> Yugo Nagata <nagata at sraoss.co.jp>
>> 
> 
> 
> -- 
> Yugo Nagata <nagata at sraoss.co.jp>

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