You increase max_fsm_pages and restart the server.
On Thursday 20 March 2008, Marc Fromm wrote:
> I received this message after running vacuum on a database.
>
> NOTICE: number of page slots needed (27296) exceeds max_fsm_pages
> (20000)
> HINT: Consider increasing the configuration parameter "max_fsm_pages"
> to a value over 27296.
>
> The documentation for 8.1 sates:
> This setting must be more than 16 * max_fsm_relations. The default is
> 20000. This option can only be set at server start.
>
> Do I increase max_fsm_pages or max_fsm_relations, or both.
> Does "only be set at server start" mean to alter the settings in
> postgresql.conf and then restart the postmaster?
>
>
>
> Marc
