Re: Question regarding DEALLOCATE pdo_stmt_00000001

Laurentius Purba wrote

> Hello all,
>
> I've been seeing lots of this processes in my database DEALLOCATE
> pdo_stmt_00000001 with idle state.
>

> Executing *select * from pg_stat_activity where query like
> 'DEALLOCATE%';*I can see some of them are idle for +/- 30 minutes, and

> there is one idle
> for 4 days.
>

> When I checked one of the pid by executing *select * from pg_stat_activity
> where pid = 63882;* (for example), after few minutes (can be longer), it
> became *DISCARD ALL* and after that it was removed from pg_stat_activity.

>
> I was wondering if this is the normal behavior, since some of them are
> idle
> for +/- 30 minutes.
>
> I am using PostgreSQL 9.3.2 and PgBouncer.
>
> Any help is appreciated.
>
> Regards,
>
> -Laurentius

Yes.

9.3 - On an idle connection the value of query is the last executed query -
which in this case is some form session cleanup command before returning the
connection to the pool.

David J.





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