On Fri, Sep 27, 2019 at 3:52 PM Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > n_live_tup/n_dead_tup should not be thought to be better than > approximations. Most operations adjust them only incrementally, > and messages to the stats collector can get dropped entirely > under heavy load, causing deltas to go missing. There are > also race conditions involved in some update scenarios. > Are you suggesting tha autovacuum made free space available so that pg_stat_user_tables lags behind? Because I don't see last_autovacuum changing in the mantime. Luca
