Re: Rename max_parallel_degree?
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>,
Magnus Hagander <magnus@hagander.net>,
Bruce Momjian <bruce@momjian.us>,
PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2016-04-26T15:34:49Z
Lists: pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes: > On Tue, Apr 26, 2016 at 11:22 AM, Alvaro Herrera > <alvherre@2ndquadrant.com> wrote: >> I think the word "degree" is largely seen as a bad idea: it would become >> a somewhat better idea only if we change how it works so that it matches >> what other DBMSs do, but you oppose that. Hence my proposal to get rid >> of that word in the UI. > Well I agree with that up to a point, but I think ALTER TABLE foo SET > (parallelism = 4) is not a model of clarity. "parallelism" or > "parallel" is not obviously an integer quality. I guess we could > s/parallel_degree/parallel_workers/g. I find that terminology less > elegant than "parallel degree", but I can live with it. Shouldn't it be "max_parallel_workers", at least in some contexts? Otherwise, I'd read it as a promise that exactly that many workers will be used. regards, tom lane