"Jouneau Luc" <[EMAIL PROTECTED]> writes:
> INFO: Pages 11944: Changed 11944, Empty 0; Tup 32: Vac 1931936, Keep 0, Un=
> Used 0.
> Total CPU 1.57s/1.90u sec elapsed 42.01 sec.
> It seems that FSM traced all of my deletes since it mentions removes in 864=
> 1+3303=3D11944 pages (>10000 which was set for max_fsm_page).
The numbers output by VACUUM don't tell you anything about how many of
those pages will actually be remembered in the FSM.
In practice, max_fsm_relations=100 is too small; we've bumped the
default to 1000 for 7.4.
> My first aim was to know if max_fsm_pages was set for each table or for a w=
> hole database.
Whole database. That default setting is very small, too (enough for
a database of maybe a couple hundred meg, at most).
regards, tom lane
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