Re: simple patch for discussion

David G. Johnston <david.g.johnston@gmail.com>

From: "David G. Johnston" <david.g.johnston@gmail.com>
To: David Rowley <dgrowleyml@gmail.com>
Cc: Andres Freund <andres@anarazel.de>, Greg Hennessy <greg.hennessy@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2025-07-18T04:08:35Z
Lists: pgsql-hackers
On Thursday, July 17, 2025, David Rowley <dgrowleyml@gmail.com> wrote:

>
> I find it hard to imagine that there'd be many people
>
around that would benefit from a global
> "always_use_this_number_of_parallel_workers" GUC.
>

Just to clarify, the global value would be -1 usually.  It would be another
crappy planner hint for important queries to be assigned saying “make this
query go fast even if it doesn’t play nice with others”.

David J.