On 2015/12/14 17:34, Kyotaro HORIGUCHI wrote:
> At Tue, 8 Dec 2015 10:40:20 -0500, Robert Haas <robertmh...@gmail.com> wrote
>> But is it important enough to be worthwhile?  Maybe, maybe not.  I
>> think we should be working toward a world where the Gather is at the
>> top of the plan tree as often as possible, in which case
>> asynchronously kicking off a Gather node won't be that exciting any
>> more - see notes on the "parallelism + sorting" thread where I talk
>> about primitives that would allow massively parallel merge joins,
>> rather than 2 or 3 way parallel. 
> Could you give me the subject of the thread? Or important message
> of that.

I think that would be the following thread:

* parallelism and sorting *


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