Robert Haas wrote
> On Mon, Jun 9, 2014 at 4:06 AM, b8flowerfire <
> b8flowerfire@
> > wrote:
>
> This has come up before. Basically, the problem is that if you reduce
> NTUP_PER_BUCKET, the bucket array gets larger, which might reduce the
> amount of space availa
When I read the source code about the hashjoin, I was very confused that the
postgresql define the NTUP_PER_BUCKET value as 10.
Since this value is used to estimate the tuple count in one bucket, is it
better if we have a smaller value?
I have not done some experiments, but it seems that we could a
