Re: [HACKERS] Autovacuum loose ends

Updated this patch again:

> > - vacuum_cost_delay and vacuum_cost_limit can be set per table, as well
> > as globally with autovacuum_vacuum_cost_{limit,delay}
> >
> > - pgstat is reset if recovery is required
> >
> > - pgstat reset at postmaster start is disabled by default
>
> - Xid-wraparound VACUUM is now FREEZE without ANALYZE, iff the database
> has datallowconn=false or datistemplate=true

- A database-wide vacuum is also issued if the vacuumxid is found to be
very old.

Note that I had to add datvacuumxid to the pg_database flat file.

--
Alvaro Herrera (<alvherre[a]alvh.no-ip.org>)
"Ciencias políticas es la ciencia de entender por qué
los políticos actúan como lo hacen" (netfunny.com)