| From: | Julien Rouhaud <julien(dot)rouhaud(at)dalibo(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, James Sewell <james(dot)sewell(at)lisasoft(dot)com> |
| Subject: | Re: Choosing parallel_degree |
| Date: | 2016-03-16 17:23:45 |
| Message-ID: | 56E996A1.9070008@dalibo.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On 16/03/2016 17:55, Robert Haas wrote:
> On Wed, Mar 16, 2016 at 12:47 PM, Julien Rouhaud
> <julien(dot)rouhaud(at)dalibo(dot)com> wrote:
>> Something like a "min_parallel_degree" then ?
>
> Why not just parallel_degree without any prefix? As in, when scanning
> this table in parallel, the reloption suggests using N workers.
>
Agreed.
PFA v2 that implements that.
--
Julien Rouhaud
http://dalibo.com - http://dalibo.org
| Attachment | Content-Type | Size |
|---|---|---|
| choose_parallel_degree_v2.diff | text/x-patch | 10.2 KB |
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