Re: [HACKERS] Parallel Append implementation

On Thu, Oct 5, 2017 at 6:14 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> On Thu, Oct 5, 2017 at 6:29 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> Okay, but can't we try to pick the cheapest partial path for master
>> backend and maybe master backend can try to work on a partial path
>> which is already picked up by some worker.
>
> Well, the master backend is typically going to be the first process to
> arrive at the Parallel Append because it's already running, whereas
> the workers have to start.
>

Sure, the leader can pick the cheapest partial path to start with.

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com


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