Subject: Re: Rename max_parallel_degree?
To: Josh berkus <josh@agliodbs.com>, Tom Lane <tgl@sss.pgh.pa.us>
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From: "Joshua D. Drake" <jd@commandprompt.com>
Organization: Command Prompt, Inc.
Message-ID: <574DC669.703@commandprompt.com>
Date: Tue, 31 May 2016 10:14:17 -0700
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On 05/31/2016 10:10 AM, Josh berkus wrote:

> Compare this:
>
> "max_parallel is the maximum number of parallel workers which will work
> on each stage of the query which is parallizable.  If you set it to 4,
> you get up to 4 workers."
>
> with this:
>
> "max_parallel_degree is the amount of parallelism in the query, with the
> understanding that the original parent process counts as 1, which means
> that if you set it to 1 you get no parallelism, and if you want 4
> parallel workers you need to set it to 5."
>
> Which one of those is going to require more explanations on -general and
> -novice?  Bets?
>
> Let's not be complicated for the sake of being complicated.
>

+1

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