Re: [GENERAL] Archive logging
| От | Bruce Momjian |
|---|---|
| Тема | Re: [GENERAL] Archive logging |
| Дата | |
| Msg-id | 199905211857.OAA01566@candle.pha.pa.us обсуждение исходный текст |
| Ответ на | RE: [GENERAL] Archive logging (Glenn Wiens <glenn_wiens@yahoo.com>) |
| Список | pgsql-general |
> Sorry -- I should have clarified my terms. What I am > referring to is the ability to recover the database to > any select point in time. > > Oracle(tm) calls this a redo log, and, when archiving > is turned on, there is a continuous string of historic > transactions that can be applied, if necessary, to a > previously taken backup, thereby recovering to a > point-in-time. They keep their transaction rollback log in a separate area, and back that up periodically to do the restores. We keep our rollback stuff in the database, and it says until a vacuum is performed. That makes it harder for us to pull out the redo log information for seprate periodic backup. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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