Re: max_parallel_degree > 0 for 9.6 beta

On Wed, Apr 20, 2016 at 02:28:15PM -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > max_parallel_degree currently defaults to 0.  I think we should enable
> > it by default for at least the beta period. Otherwise we're primarily
> > going to get reports back after the release.
> 
> > Then, at the end of beta, we can decide what the default should be.
> 
> +1, but let's put an entry on the 9.6 open-items page to remind us to
> make that decision at the right time.

It's that time.  Do we restore the max_parallel_workers_per_gather=0 default,
or is enabling this by default the right thing after all?