2010/8/5 백승엽 <sybaek(at)seriends(dot)com>
> Hi.
>
>
> I am korean database engineer.
>
> my english skill is very poor.
>
> but i desire that you teach this situation.
>
>
> um...
>
> I am testing postgresql performance in these days;
>
> today, I found this situation.
>
>
>
> Session 1. -
>
> begin;
> delete from XXXX;
>
>
> Session 2 -
>
> delete from XXXX;
>
>
> thus, it occured row level locking.
>
>
>
>
> so. i killed Session 1's PID with kill -9 commands
>
>
>
killing it with -9 crashed the whole PostgreSQL server, don't do that.
Instead just login to the database and run the function pg_cancel_backend()
http://www.postgresql.org/docs/8.4/static/functions-admin.html, much more
safe way.
regards
Szymon