Re: PITR Phase 2 - Design Planning
От | Simon Riggs |
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Тема | Re: PITR Phase 2 - Design Planning |
Дата | |
Msg-id | 1083101789.3018.328.camel@stromboli обсуждение исходный текст |
Ответ на | Re: PITR Phase 2 - Design Planning (Rod Taylor <pg@rbt.ca>) |
Ответы |
Re: PITR Phase 2 - Design Planning
Re: PITR Phase 2 - Design Planning |
Список | pgsql-hackers |
On Tue, 2004-04-27 at 21:56, Rod Taylor wrote: > > Overall, I'd refer back to the points Bruce raised - you certainly do > > need a way of finding out the time to recover to, and as others have > > said also, time isn't the only desirable "recovery point". > > Wouldn't it be sufficient to simply use the transaction ID and ensure > that all the parameters the user might want to use to find that ID can > be made available in the log files? > Yes, of course, all methods of locating a particular xlog file to stop at are effectively equivalent. The discussion is mostly about what is convenient for the user in a real recovery situation. >From all that has been said so far, I would implement: 1. Recovery to a specific txnid, which is fairly straightforward 2. Recovery to a specific date/time a) either by implementing a log inspection tool that shows the txnid for a PIT b) implementing recovery to a PIT directly 3. Recovery to a named checkpoint Best Regards, Simon Riggs
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