... forgot to mention ...
Mike Darretta <michael.darretta.ctr@metnet.navy.mil> writes:
> We are running Postgres 7.4 with the incremental vacuum process active.
Also make sure you have an up-to-date version of pg_autovacuum. The
early releases had bugs that could prevent it from vacuuming very large
tables at all :-( ... and your pg_largeobject table definitely qualifies
as large.
regards, tom lane