Fabio,
> Postgres initially worked wonderfully, fast and solid. It
> preformed complex joins in 0.01secs, and was able to keep up with our
> message queue. It stayed this way for almost a year during our
> development.
>
> Recently it started eating up the cpu, and cannot keepup with the system
> like it used to. The interesting thing here is that it still runs great
> on an older system with less ram, one slower cpu, and an older disk.
This really points to a maintenance problem. How often do you run VACUUM
ANALYZE? You have a very high rate of data turnover, and should need to
VACUUM frequently.
Also, what's you max_fsm_pages setting.
--
-Josh Berkus
Aglio Database Solutions
San Francisco
