On 21 August 2017 at 11:42, Amit Kapila <amit.kapil...@gmail.com> wrote:

>> or of 2)
>> treating cost = speed, so we actually reduce the cost of a parallel
>> plan rather than increasing it so it is more likely to be picked.
> Yeah, this is what is being currently followed for costing of parallel
> plans and this patch also tries to follow the same.

OK, I understand this better now, thanks.

Simon Riggs                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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