On Tue, Feb 8, 2022 at 12:12 PM Peter Geoghegan <p...@bowt.ie> wrote: > I believe that the main benefit of the dead TID conveyor belt (outside > of global index use cases) will be to enable us to do more (much more) > index vacuuming for one index in particular. So it's not really about > doing less index vacuuming or less heap vacuuming -- it's about doing > a *greater* amount of *useful* index vacuuming, in less time. There is > often some way in which failing to vacuum one index for a long time > does lasting damage to the index structure.
This makes sense to me, and I think it's a good insight. It's not clear to me that we have enough information to make good decisions about which indexes to vacuum and which indexes to skip. -- Robert Haas EDB: http://www.enterprisedb.com
