2008/3/21, Gregory Stark <stark@xxxxxxxxxxxxxxxx>: > > Well that's true it does. But only once per row. So analyze would have set the > bit on every row. You could do the same thing with something ligter like > "select count(*) from <table>". Well, the table has been analyzed, I did SELECT, PG write on the table. That's a fact. But it's also true (I juste tested it) that every file of a table is modified by a SELECT COUNT. > > Tom's thinking was that you would only expect a high update rate for a short > time until all those bits were set. > > Slony's inserts, updates, and deletes count as updates to the table as well. > Slony is shut down when I'm testing. -- Laurent Raufaste <http://www.glop.org/> -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance