I have this "poll results" table with just 3 integer fields, which is
never updated, only inserted/deleted...
Did the Devs consider an option to have VACUUM reduce the row header
sizes for tuples that are long commited and are currently visible to all
transactions ? (even if this makes the tuples non-updateable, as long as
they can be deleted, it would be OK for this type of tables).
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TIP 5: don't forget to increase your free space map settings
