Re: enable parallel query by default?

Поиск
Список
Период
Сортировка
От Andres Freund
Тема Re: enable parallel query by default?
Дата
Msg-id 20160208212443.44a2vgjcfjhqltep@alap3.anarazel.de
обсуждение исходный текст
Ответ на enable parallel query by default?  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: enable parallel query by default?  (Peter Geoghegan <pg@heroku.com>)
Re: enable parallel query by default?  ("David G. Johnston" <david.g.johnston@gmail.com>)
Список pgsql-hackers
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



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Pavel Stehule
Дата:
Сообщение: Re: [patch] Proposal for \crosstabview in psql
Следующее
От: Thomas Munro
Дата:
Сообщение: Re: count_nulls(VARIADIC "any")