Reported-by: John Naylor
Discussion: https://postgr.es/m/CANWCAZbPEoFcSjedGsz4AV=_sbwUN4sgjrukVCu-JzrqFC5Hhw@mail.gmail.com
Author: John Naylor
Backpatch-through: master
-Allow vacuum to more efficiently remove and freeze tuples (Masahiko Sawada, John Naylor, Melanie Plageman)
+Allow vacuum to more efficiently remove and freeze tuples (Melanie Plageman)
+
+
+WAL traffic caused by vacuum is also more compact.