On 2019-Apr-11, Tom Lane wrote: > Alvaro Herrera <alvherre@xxxxxxxxxxxxxxx> writes: > > On 2019-Apr-11, rihad wrote: > >> 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. > > I think you misread it --- I'm pretty sure "N remain" is referring > to live tuples. Maybe we should adjust the wording to make that > clearer? Oh, I've been confused with that many times, Not good trying to decode confusing messages while simultaneously figuring out trying to figure out logical decoding bugs that have already been fixed :-( Yeah, let's reword that. I've had to read the source half a dozen times because I always forget what each number means. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services