Re: fillfactor hides autovacuum parameters in 8.4.0

Поиск
Список
Период
Сортировка
От Alvaro Herrera
Тема Re: fillfactor hides autovacuum parameters in 8.4.0
Дата
Msg-id 20090820032715.GD6781@alvh.no-ip.org
обсуждение исходный текст
Ответ на Re: fillfactor hides autovacuum parameters in 8.4.0  (Itagaki Takahiro <itagaki.takahiro@oss.ntt.co.jp>)
Список pgsql-bugs
Itagaki Takahiro wrote:
>
> Alvaro Herrera <alvherre@commandprompt.com> wrote:
>
> > > We should remember whether a field was specified or not independntly.
> > I'm not sure what you are suggesting ...?
>
> Please imagine that:
>
> =# SET autovacuum_vacuum_scale_factor = 0.05;
> =# ALTER TABLE tbl SET (autovacuum_vacuum_threshold = 10);

Uh, but this doesn't work because you can't SET inside a session and
have autovacuum read it.  Only the values that you change with ALTER
TABLE can be read by autovacuum; the rest of the values come from
postgresql.conf.

But I'm very dizzy today so perhaps I'm missing something obvious.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

В списке pgsql-bugs по дате отправления:

Предыдущее
От: Itagaki Takahiro
Дата:
Сообщение: Re: fillfactor hides autovacuum parameters in 8.4.0
Следующее
От: "Dmitry Samokhin"
Дата:
Сообщение: BUG #4997: Expression evaluation rules