Re: Default setting for enable_hashagg_disk

Поиск
Список
Период
Сортировка
От Alvaro Herrera
Тема Re: Default setting for enable_hashagg_disk
Дата
Msg-id 20200625225853.GA11137@alvherre.pgsql
обсуждение исходный текст
Ответ на Re: Default setting for enable_hashagg_disk  (Andres Freund <andres@anarazel.de>)
Ответы Re: Default setting for enable_hashagg_disk  (Stephen Frost <sfrost@snowman.net>)
Список pgsql-hackers
On 2020-Jun-25, Andres Freund wrote:

> >My point here is that maybe we don't need to offer a GUC to explicitly
> >turn spilling off; it seems sufficient to let users change work_mem so
> >that spilling will naturally not occur.  Why do we need more?
> 
> That's not really a useful escape hatch, because I'll often lead to
> other nodes using more memory.

Ah -- other nodes in the same query -- you're right, that's not good.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Bruce Momjian
Дата:
Сообщение: Re: should libpq also require TLSv1.2 by default?
Следующее
От: Tomas Vondra
Дата:
Сообщение: Re: Default setting for enable_hashagg_disk