Re: postgres connections in IDLE state..

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От Rajagopalan, Jayashree
Тема Re: postgres connections in IDLE state..
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Msg-id A7A2044B8A59DA4F9F07599B3B1CA1210E4CA164@MX101CL02.corp.emc.com
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Ответ на Re: postgres connections in IDLE state..  (David Johnston <polobo@yahoo.com>)
Ответы Re: postgres connections in IDLE state..  (jaime soler <jaime.soler@gmail.com>)
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Thanks.

But what is the process id that is attached to the connection? Can I track down or debug/ get more information related
tothat process id? 

Regards
Jayashree

-----Original Message-----
From: pgsql-admin-owner@postgresql.org [mailto:pgsql-admin-owner@postgresql.org] On Behalf Of David Johnston
Sent: 03 October 2013 19:44
To: pgsql-admin@postgresql.org
Subject: Re: [ADMIN] postgres connections in IDLE state..

Rajagopalan, Jayashree wrote
> I'm seeing intermittently - the DB connections getting stale - and not
> getting returned to the Hibernate session pool. Some of the
> connections are as old as 9 days.

The whole point of a connection pool is to keep open connections to the database.  These connections, when not in use,
are"IDLE".  I would expect to see a single connection for every permanent pool connection. 

I don't see any problem with what you show and describe other than I'd expect more than 2 idle connections and I'd
expectthe supposed "problem" to be persistent. 

In your example the backend has been alive and in the pool since 9/11 and the most recent time it was used was 10/2.
Inbetween those two dates there were many other times the connection was used. 

David J.




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