Marcus,
> We are experiencing exactly the same problem here, and we use 7.4 on
> Linux/i386 SMP (2 processors). Our databases does even more access:
> about 30k selects per hour, 10k updates and inserts per hour
>
> Vacuum analyze is done daily.
What is your max_fsm_pages setting? If you are getting 10,000 updates per
hour, daily VACUUM ANALYZE may not be enough.
Also do you run VACUUM ANALYZE as a superuser, or as a regular user?
--
Josh Berkus
Aglio Database Solutions
San Francisco
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
