Re: [PERFORM] A Better External Sort?

Поиск
Список
Период
Сортировка
От Josh Berkus
Тема Re: [PERFORM] A Better External Sort?
Дата
Msg-id 200510031334.02030.josh@agliodbs.com
обсуждение исходный текст
Ответ на Re: [PERFORM] A Better External Sort?  (Michael Stone <mstone+postgres@mathom.us>)
Ответы Re: [PERFORM] A Better External Sort?
Re: [PERFORM] A Better External Sort?
Список pgsql-hackers
Michael,

> >Realistically, you can't do better than about 25MB/s on a
> > single-threaded I/O on current Linux machines,
>
> What on earth gives you that idea? Did you drop a zero?

Nope, LOTS of testing, at OSDL, GreenPlum and Sun.   For comparison, A
Big-Name Proprietary Database doesn't get much more than that either.

--
--Josh

Josh Berkus
Aglio Database Solutions
San Francisco

В списке pgsql-hackers по дате отправления:

Предыдущее
От: Jeff Davis
Дата:
Сообщение: Re: PG Killed by OOM Condition
Следующее
От: Simon Riggs
Дата:
Сообщение: Re: External Sort timing debug statements