Re: Why Size Of Data Backed Up Varies Significantly In SQL 6.5?

Поиск
Список
Период
Сортировка
От Peter Eisentraut
Тема Re: Why Size Of Data Backed Up Varies Significantly In SQL 6.5?
Дата
Msg-id Pine.LNX.4.30.0104261737220.758-100000@peter.localdomain
обсуждение исходный текст
Ответ на Why Size Of Data Backed Up Varies Significantly In SQL 6.5?  ("Wendy" <windy1a@yahoo.com>)
Ответы Re: Why Size Of Data Backed Up Varies Significantly In SQL 6.5?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-general
Wendy writes:

> I backed up a database at night and noted the size to be about over 300MB.
> The following morning, I again backed up the same database and found out the
> size to be less than 100MB. There was no massive deletes by users during
> that morning.
> What would account to that vast difference in size?

If you have done a VACUUM in between it's possible that a lot of dead rows
were deleted.

--
Peter Eisentraut   peter_e@gmx.net   http://funkturm.homeip.net/~peter


В списке pgsql-general по дате отправления:

Предыдущее
От: Peter Eisentraut
Дата:
Сообщение: Re: crypt(table.field) ?
Следующее
От: Peter Eisentraut
Дата:
Сообщение: Re: I am now Linux and PostgreSQL user, have a question