Re: Is there a way to kill a connection from the pg_stat_activitly list?

From: "Moiz Kothari" <moizpostgres(at)gmail(dot)com>
To: "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>
Cc: "Jessica Richard" <rjessil(at)yahoo(dot)com>, "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>, "Tommy Gildseth" <tommy(dot)gildseth(at)usit(dot)uio(dot)no>, pgsql-admin(at)postgresql(dot)org
Subject: Re: Is there a way to kill a connection from the pg_stat_activitly list?
Date: 2007-10-17 11:16:05
Message-ID: 82e1a9bd0710170416p77d67fc2sd28aa07f531450f0@mail.gmail.com
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Hi,

Please do not use kill, it sometimes resets all the connection on your db,
you might want to use

pkill -f <string in ps -ef> to kill the connection you want to.

Regards,
Moiz Kothari

On 10/16/07, Jonah H. Harris <jonah(dot)harris(at)gmail(dot)com> wrote:
>
> On 10/16/07, Jessica Richard <rjessil(at)yahoo(dot)com> wrote:
> > select pg_cancel_backend(procpid) solved half of my problem...at least
> it
> > terminated the query for that user... but it is still holding a user
> > connection in IDLE state....If I have too many of those, Postgres may
> run of
> > out of user connections....
> >
> > I already knew how to kill a connection if the connection is from the
> local
> > host. But I have many remote connections coming from different
> machines...
> > hard to kill with unix command "kill"... One time, I was testing to
> kill a
> > particular connection on a testing machine, the entrie Postgres was
> brought
> > down....
>
> That's why I said to write a C stored procedure to do it and install
> it on the server. That way you could call it the same way as
> pg_cancel_backend.
>
> > I need to find a safer, cleaner way to disconnect a user from Postgres
> when
> > needed.
>
> At this point in time, there isn't one.
>
> --
> Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324
> EnterpriseDB Corporation | fax: 732.331.1301
> 499 Thornall Street, 2nd Floor | jonah(dot)harris(at)enterprisedb(dot)com
> Edison, NJ 08837 | http://www.enterprisedb.com/
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