On Thu, Jun 9, 2016 at 1:08 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>> I am in favor of having something similar to
>> max_parallel_workers_per_gather for utility statements like CREATE
>> INDEX. That will need a cost model, at least where the DBA isn't
>> explicit about the number of workers to use.
>
> We may well need that, but I think it should be discussed in
> conjunction with the patches that add parallelism for those utility
> statements, rather than discussing it on a thread for a 9.6 open item.
Of course.
I don't think it needs to be scoped to utility statements. It's just
clear that it's not appropriate to use max_parallel_workers_per_gather
within utility statements, even though something like that will be
needed.
--
Peter Geoghegan
