On Fri, 30 May 2003 09:11:39 -0400
Tom Lane <tgl@sss.pgh.pa.us> said something like:
>
> Also note that no amount of vacuuming will save you if the FSM is not
> large enough to keep track of all the free space. The default FSM
> settings, like all the other default settings in Postgres, are set up
> for a small installation. You'd probably need to raise them by at least
> a factor of 10 for this installation.
>
Tom,
Thanks for the hint. I just upped my shared_buffers to 8192, fsm_relations to 10000, fsm_pages to 100000, sort_mem to
64000,and an UPDATE which was taking over 2 hours dropped down to 1 to 2 minutes!
Nice...
Thanks,
Rob