On Tue, May 21, 2019 at 11:12 AM Walter Smith <walter@xxxxxxxxxxxx> wrote > I did a VACUUM overnight and got the following. The thing that stands out to me is that one index (index_unproc_notifications_on_notifiable_type) took 100x longer to scan than the others. That's not the index used in the slow query, though. What columns are indexed by index_unproc_notifications_on_notifiable_type, and what are their datatypes? -- Peter Geoghegan
