Re: [COMMITTERS] pgsql: Add max_parallel_workers GUC.

Jim Nasby <Jim.Nasby@BlueTreble.com> writes:
> On 12/2/16 2:34 PM, Robert Haas wrote:
>> Signs point to "no".  It seemed like a good idea to leave some daylight between max_parallel_workers and
max_worker_processes,but evidently this wasn't the way to get there. Or else we should just give up on that thought. 

> Could the defaults be scaled based on max_connections, with a max on the
> default?

Might work.  We've had very bad luck with GUC variables with
interdependent defaults, but maybe the user-visible knob could be a
percentage of max_connections or something like that.
        regards, tom lane