Re: enable parallel query by default?

From: Andres Freund <andres(at)anarazel(dot)de>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: enable parallel query by default?
Date: 2016-02-08 21:24:43
Message-ID: 20160208212443.44a2vgjcfjhqltep@alap3.anarazel.de
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Hi,

On 2016-02-08 16:07:05 -0500, Robert Haas wrote:
> One of the questions I have about parallel query is whether it should
> be enabled by default. That is, should we make the default value of
> max_parallel_degree to a value higher than 0? Perhaps 1, say?
>
> There are some good reasons why this might be a bad idea, such as:
>
> - As discussed on a nearby thread, there is every possibility of nasty
> bugs.

I think that's an argument to enable it till at least beta1. Let's
change the default, and add an item to the open items list to reconsider
then.

Andres

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