Re: How to retain lesser paths at add_path()?

Поиск
Список
Период
Сортировка
От Jaime Casanova
Тема Re: How to retain lesser paths at add_path()?
Дата
Msg-id 20211005172447.GC28628@ahch-to
обсуждение исходный текст
Ответ на Re: How to retain lesser paths at add_path()?  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: How to retain lesser paths at add_path()?  (Nils Dijk <me@thanod.nl>)
Список pgsql-hackers
On Sat, Mar 06, 2021 at 06:50:13PM +0900, Kohei KaiGai wrote:
> 
> On the other hand, I'm uncertain whether the pfree(new_path) at the tail
> of add_path makes sense on the modern hardware, because they allow to
> recycle just small amount of memory, then entire memory consumption
> by the optimizer shall be released by MemoryContext mechanism.
> If add_path does not release path-node, the above portion is much simpler.
> 

Hi Kaigai-san,

Do you have an updated patch? Please feel free to resubmit to next CF.
Current CF entry has been marked as RwF.

-- 
Jaime Casanova
Director de Servicios Profesionales
SystemGuards - Consultores de PostgreSQL



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Peter Geoghegan
Дата:
Сообщение: Re: BUG #17212: pg_amcheck fails on checking temporary relations
Следующее
От: John Naylor
Дата:
Сообщение: Re: Polyphase merge is obsolete