On Tue, Jun 10, 2014 at 1:13 AM, b8flowerfire b8flowerf...@gmail.com wrote:
Thanks for the explanation. But i don't think it is very convincible.
Simply reduce the value of NTUP_PER_BUCKET will enlarge the pointer array
and reduce the tuples in one batch. But is that effect significant to the
On Tue, Jun 10, 2014 at 5:17 AM, Robert Haas robertmh...@gmail.com wrote:
The problem case is when you have 1 batch and the increased memory
consumption causes you to switch to 2 batches. That's expensive. It
seems clear based on previous testing that *on the average*
NTUP_PER_BUCKET = 1
On Tue, Jun 10, 2014 at 1:43 PM, Jeff Janes jeff.ja...@gmail.com wrote:
On Tue, Jun 10, 2014 at 5:17 AM, Robert Haas robertmh...@gmail.com wrote:
The problem case is when you have 1 batch and the increased memory
consumption causes you to switch to 2 batches. That's expensive. It
seems clear