Re: Caching by Postgres

Поиск
Список
Период
Сортировка
От Michael Stone
Тема Re: Caching by Postgres
Дата
Msg-id 20050823202932.GK8667@mathom.us
обсуждение исходный текст
Ответ на Re: Caching by Postgres  (Josh Berkus <josh@agliodbs.com>)
Список pgsql-performance
On Tue, Aug 23, 2005 at 12:38:04PM -0700, Josh Berkus wrote:
>which have a clear and measurable effect on performance and are fixable
>without bloating the PG code.  Some of these issues (COPY path, context
>switching

Does that include increasing the size of read/write blocks? I've noticed
that with a large enough table it takes a while to do a sequential scan,
even if it's cached; I wonder if the fact that it takes a million
read(2) calls to get through an 8G table is part of that.

Mike Stone

В списке pgsql-performance по дате отправления:

Предыдущее
От: mark@mark.mielke.cc
Дата:
Сообщение: Re: Caching by Postgres
Следующее
От: Chris Browne
Дата:
Сообщение: Re: Caching by Postgres