Re: Many, many materialised views - Performance?

Поиск
Список
Период
Сортировка
От Bill Moran
Тема Re: Many, many materialised views - Performance?
Дата
Msg-id 20131009073512.05fc3918e1902aa65d47157b@potentialtech.com
обсуждение исходный текст
Ответ на Re: Many, many materialised views - Performance?  (Kevin Grittner <kgrittn@ymail.com>)
Список pgsql-general
On Tue, 8 Oct 2013 19:08:45 -0700 (PDT) Kevin Grittner <kgrittn@ymail.com> wrote:

> > In this instance, we have a lot of queries that build certain aggregate
> > results, which are very slow. The queries were initially all implemented
> > as views, but then we started doing a type of materialising of our own,
> > turning them into tables with CREATE TABLE AS SELECT ....
> > This does make the results very fast to access now, but the side effect
> > is a vast number of (very small) tables.

I missed the start of this thread, so apologies if my suggestion is off-base.

When there are lots of tables, I've seen performance improvements from
distributing the tables through schemas.  It seems to improve name
resolution performance.

--
Bill Moran <wmoran@potentialtech.com>


В списке pgsql-general по дате отправления:

Предыдущее
От: Jesse Long
Дата:
Сообщение: Re: Incorrect index being used
Следующее
От: janek12@web.de
Дата:
Сообщение: Re: pg_similarity