> > > 2019-04-11 19:39:44.450844500 tuples: 19150 removed, 2725811 remain, > 465 are dead but not yet removable > > What Jeff said. This vacuum spent a lot of time, only to remove miserly > 19k tuples, but 2.7M dead tuples remained ... probably because you have > long-running transactions preventing vacuum from removing them. Maybe > that was pg_dump. >
Wouldn't "dead but not yet removable" be high if there were long running transactions holding onto old row versions?
