"Jehan-Guillaume (ioguix) de Rorthais" <ioguix@xxxxxxx> writes: > On Wed, 30 Jan 2019 14:19:52 +0100 > Tumasgiu Rossini <rossini.t@xxxxxxxxx> wrote: >> According to the doc [1], >> pg_total_relation_size add toasted data *and* indexes to the mix. > *and* FSM *and* VM. Yeah. In this particular case, the other page presumably belongs to the toast table's index, which will have a metapage even if the table is empty. regards, tom lane