Re: Lock issue when trying to vacuum db

["Jess Balint" <jbalint(at)gmail(dot)com>]

That was it. There were two in there. I rolled 'em back and everything is
smooth now. Thanks a lot.

Jess

-----Original Message-----
From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us] 
Sent: Monday, December 19, 2005 10:03 PM
To: Jess Balint
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [HACKERS] Lock issue when trying to vacuum db 

"Jess Balint" <jbalint(at)gmail(dot)com> writes:
> Hi, I have a database that had a large table in it. I dropped the table,
but
> when I try to full vacuum the db, it just freezes indefinitely. There are
> shared locks held on this that I can't identify. I've tried bouncing this
> instance and ran some queries immediately after starting up.

AFAIK, the only way for a lock to survive a database restart is a
prepared transaction.  Are you running 8.1, and if so what does
pg_prepared_xacts show?

			regards, tom lane