From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Josh berkus <josh(at)agliodbs(dot)com>, Peter Geoghegan <pg(at)heroku(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Rename max_parallel_degree? |
Date: | 2016-06-01 02:15:03 |
Message-ID: | CA+Tgmoa2r4gw4Cm3FSn3iwWEpuw9QRtEuz4Om4GXGQGT+EiVUg@mail.gmail.com |
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Lists: | pgsql-hackers |
On Tue, May 31, 2016 at 10:13 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> On Tue, May 31, 2016 at 10:02 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)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 ...
I'll color you as not having read the threads where multiple users asked for it.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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