Re: pg_sequence catalog

Поиск
Список
Период
Сортировка
От Alvaro Herrera
Тема Re: pg_sequence catalog
Дата
Msg-id 20160831172543.GA562042@alvherre.pgsql
обсуждение исходный текст
Ответ на Re: pg_sequence catalog  (Andres Freund <andres@anarazel.de>)
Ответы Re: pg_sequence catalog  (andres@anarazel.de (Andres Freund))
Список pgsql-hackers
Andres Freund wrote:
> Hi,
> 
> On 2016-08-31 12:53:30 -0400, Tom Lane wrote:
> > Improving on the space wastage is exactly the point IMO.  If it's still
> > going to be 8k per sequence on disk (*and* in shared buffers, remember),
> > I'm not sure it's worth all the work to change things at all.
> 
> A separate file is a heck lot more heavyweight than another 8 kb in an
> existing file.

Yes, sure, we're still improving even if we stick to one-seq-per-bufpage,
but while we're at it, we could as well find a way to make it as best as
we can.  And allowing multiple seqs per page seems a much better
situation, so let's try to get there.

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



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Andres Freund
Дата:
Сообщение: Re: pg_sequence catalog
Следующее
От: andres@anarazel.de (Andres Freund)
Дата:
Сообщение: Re: pg_sequence catalog