On Sun, Jul 5, 2020 at 2:24 AM Jeff Davis <pg...@j-davis.com> wrote: > > On Sat, 2020-07-04 at 14:49 +0530, Amit Kapila wrote: > > > We don't even have a user report yet of a > > > regression compared to PG 12, or one that can't be fixed by > > > increasing > > > work_mem. > > > > > > > Yeah, this is exactly the same point I have raised above. I feel we > > should wait before designing any solution to match pre-13 behavior > > for > > hashaggs to see what percentage of users face problems related to > > this > > and how much is a problem for them to increase work_mem to avoid > > regression. > > I agree that it's good to wait for actual problems. But the challenge > is that we can't backport an added GUC. >
Is it because we won't be able to edit existing postgresql.conf file or for some other reasons? -- With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com
