Robert Creager wrote:
For 8.03, pg_autovacuum is running. On 7.4.1, I set up a cron job to vacuum analyze every 5 minutes.
Are you sure that pg_autovacuum is doing it's job? Meaning are you sure it's vacuuming as often as needed? Try to run it with -d2 or so and make sure that it is actually doing the vacuuming needed.
---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match