On Wed, May 21, 2014 at 7:50 PM, David G Johnston < david.g.johns...@gmail.com> wrote:
> 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. > > > > > > -- > View this message in context: > http://postgresql.1045698.n5.nabble.com/Question-regarding-DEALLOCATE-pdo-stmt-00000001-tp5804667p5804672.html > Sent from the PostgreSQL - general mailing list archive at Nabble.com. > > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general > Thanks David. So, it is a normal behavior in Postgres. One more thing that bothers me, why this idle connection can be stayed idle for 3 days. Is this a zombie process? -Laurentius