Re: [GENERAL] Scalability to very large databases under Linux

Поиск
Список
Период
Сортировка
От M Simms
Тема Re: [GENERAL] Scalability to very large databases under Linux
Дата
Msg-id 199906151858.TAA07191@argh.demon.co.uk
обсуждение исходный текст
Ответ на Re: [GENERAL] Scalability to very large databases under Linux  (Bruce Momjian <maillist@candle.pha.pa.us>)
Ответы Re: [GENERAL] Scalability to very large databases under Linux
Список pgsql-general
> Dear Folks,
>
> We have been running 6.4.2 under Linux on a dual Xeon box
> with mostly good success.  Our current dataset is 20 million records
> of mostly numerical data (56 fields of floats [70%], ints [20%] and
> a few text fields [10%]).  The performance is acceptable, the only
> problem so far has been the difficultly in floating type promotion
> "confusing" the optimizer.
>
> Our database is about to expans to 150 million records.  Given
> sufficient diskspace (e.g. a larger RAID array) will postgres
> perform on this volume?  Are there any gotchas?  General comments
> from people with experience with databases of this volume under
> postgres?

The only problem I could see immediately is that the Linux ext2 filesystem has
a 2GB limit on any one file. Postgresql has functionality to get round that (as
was discussed a few months ago on the list) but it apparently causes problems
in some instances. I suggest you look through the archives for this one.

В списке pgsql-general по дате отправления:

Предыдущее
От: "Collin F. Lynch"
Дата:
Сообщение: pgsql-announce@postgresql.org, pgsql-admin@postgresql.org, pgsql-docs@postgresql.org
Следующее
От: Artur Pietruk
Дата:
Сообщение: Problems building pgsql 6.5/6.4 on AIX gcc