Tomas Szepe <szepe@pinerecords.com> writes:
> We have a production database that happens to receive several
> thousand row updates per minute. We VACUUM ANALYZE every four
> hours with max_fsm_pages set to 2100000, and it's no use.
Have you spent any time determining exactly where the problem is?
I'm suspicious that it's an index-bloat issue.
regards, tom lane