Re: Autovacuum / full vacuum

Mindaugas wrote:
> > >> Even a database-wide vacuum does not take locks on more than one table.
> > >> The table locks are acquired and released one by one, as the operation
> > >> proceeds.
> > 
> > > Has that changed recently?  I have always seen "vacuumdb" or SQL
> > > "VACUUM" (without table specifications) running as one long
> > > transaction which doesn't release the locks that it is granted until
> > > the end of the transaction.
> > 
> > You sure?  It's not supposed to, and watching a database-wide vacuum
> > with "select * from pg_locks" doesn't look to me like it ever has locks
> > on more than one table (plus the table's indexes and toast table).
> 
>   Are there some plans to remove vacuum altogether?

No, but there are plans to make it as automatic and unintrusive as
possible.  (User configuration will probably always be needed.)

-- 
Alvaro Herrera                           Developer, http://www.PostgreSQL.org
FOO MANE PADME HUM