Hi Michael/Justin/Flo, Thank you all for your assistance. As Michael said, looks like there are no more tricks left.
On Mon, Sep 9, 2019 at 9:09 PM Michael Lewis <mle...@entrata.com> wrote: > If you can't modify the query, then there is nothing more to be done to > optimize the execution afaik. Distinct is much slower than group by in > scenarios like this with many columns. You already identified the disk sort > and increased work mem to get it faster by 3x. There are not any other > tricks of which I am aware. >
