| From: | bricklen <bricklen(at)gmail(dot)com> |
|---|---|
| To: | Leonardo M(dot) Ramé <l(dot)rame(at)griensu(dot)com> |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Alter table never finishes |
| Date: | 2013-07-30 17:34:00 |
| Message-ID: | CAGrpgQ_JJW553XzdDB0LJ9FMTg61_dTrxMTO=2AgOtOHbLrZWQ@mail.gmail.com |
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| Lists: | pgsql-general |
On Tue, Jul 30, 2013 at 10:29 AM, Leonardo M. Ramé <l(dot)rame(at)griensu(dot)com>wrote:
> > > select pg_cancel_backend(pid) from pg_stat_activity where pid <>
> > > pg_backend_pid();
>
As Giuseppe mentioned, if you need to kill not just the queries, but the
connection as well, you could use:
select pg_terminate_backend(pid) from pg_stat_activity where pid <>
pg_backend_pid();
That is much safer than kill -9, which if issued against the parent
postgres process will crash your cluster.
>
> Sorry bricklen, I've killed all idle connections with "kill -9 <PID>",
> then I was able to execute the alter table.
>
No problem.
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