Matthew T. O'Connor wrote:
> But we track tuples because we can compare against the count given by
> the stats system. I don't know of a way (other than looking at the FSM,
> or contrib/pgstattuple ) to see how many dead pages exist.
I think making pg_autovacuum dependent of pgstattuple is very good idea.
Probably it might be a good idea to extend pgstattuple to return pages that are
excessively contaminated and clean them ASAP. Step by step getting closer to
daemonized vacuum.
Shridhar
