Hi, Ashutosh! On Fri, Dec 8, 2023 at 3:28 PM Ashutosh Bapat <ashutosh.bapat....@gmail.com> wrote: > I did some analysis of memory consumption by bitmapsets in such cases. > [1] contains slides with the result of this analysis. The slides are > crude and quite WIP. But they will give some idea. > > [1] > https://docs.google.com/presentation/d/1S9BiAADhX-Fv9tDbx5R5Izq4blAofhZMhHcO1c-wzfI/edit?usp=sharing
Thank you for sharing your analysis. I understand that usage of a plain bitmap becomes a problem with a large number of partitions. But I wonder what does "post proposed fixes" mean? Is it the fixes posted in [1]. If so it's very surprising for me they are reducing the memory footprint size. Links. 1. https://www.postgresql.org/message-id/CAPpHfdtLgCryACcrmLv=Koq9rAB3=tr5y9d84dggvuhscvj...@mail.gmail.com ------ Regards, Alexander Korotkov
