On 2019-Dec-09, Ibrar Ahmed wrote: > Hi, > > The memory consumption of VACUUM has some issues and could be improved. > Some of its limitations are recorded in the comments of the “vacuumlazy.c” > file. The current design of VACUUM memory usage is that it stores the TID > in a fixed-size array which is allocated at the start, based upon > maintenance_work_mem. There are three problems with that design
Did you see this thread? https://postgr.es/m/CAGTBQpbDCaR6vv9=scXzuT8fSbckf=a3ngzdwfwzbdvugvh...@mail.gmail.com -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
