From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Josh berkus <josh@agliodbs.com>
Cc: Peter Geoghegan <pg@heroku.com>
Cc: Noah Misch <noah@leadboat.com>
Cc: David Rowley <david.rowley@2ndquadrant.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>
Cc: Magnus Hagander <magnus@hagander.net>
Cc: Bruce Momjian <bruce@momjian.us>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: Rename max_parallel_degree?
Date: Tue, 31 May 2016 22:13:24 -0400
Message-ID: <14345.1464747204@sss.pgh.pa.us> (raw)
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Robert Haas <robertmhaas@gmail.com> writes:
> On Tue, May 31, 2016 at 10:02 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> The reloption does not set an exact value, according to the code:
> True, max_parallel_degree is an overriding limit. But the point is
> that, without the reloption, you can't get lots of workers on a small
> table. The reloption lets you do that.
Color me skeptical that that's actually a good idea ...
regards, tom lane
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Cc: tgl@sss.pgh.pa.us, robertmhaas@gmail.com, peter.eisentraut@2ndquadrant.com, alvherre@2ndquadrant.com, josh@agliodbs.com, pg@heroku.com, noah@leadboat.com, david.rowley@2ndquadrant.com, amit.kapila16@gmail.com, magnus@hagander.net, bruce@momjian.us
Subject: Re: Rename max_parallel_degree?
In-Reply-To: <14345.1464747204@sss.pgh.pa.us>
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