Hi, Ashutosh!
On Fri, Dec 8, 2023 at 3:28 PM Ashutosh Bapat
<ashutosh.bapat.oss@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=tr5y9D84dGgvUhSCvjzjg@mail.gmail.com
------
Regards,
Alexander Korotkov