Re: Rename max_parallel_degree? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Rename max_parallel_degree?
Date
Msg-id 21660.1464882811@sss.pgh.pa.us
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In response to Re: Rename max_parallel_degree?  (Josh berkus <josh@agliodbs.com>)
List pgsql-hackers
Josh berkus <josh@agliodbs.com> writes:
> On 06/02/2016 04:58 AM, Robert Haas wrote:
>> Well, I think we could drop node, if you like.  I think parallel
>> wouldn't be good to drop, though, because it sounds like we want a
>> global limit on parallel workers also, and that can't be just
>> max_workers.  So I think we should keep parallel in there for all of
>> them, and have max_parallel_workers and
>> max_parallel_workers_per_gather(_node).  The reloption and the Path
>> struct field can be parallel_workers rather than parallel_degree.

> So does that mean we'll rename it if you manage to implement a parameter
> which controls the number of workers for the whole statement?

That would fit in as something like max_parallel_workers_per_statement.
        regards, tom lane



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