Re: Documentation on PITR still scarce
От | Joachim Wieland |
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Тема | Re: Documentation on PITR still scarce |
Дата | |
Msg-id | 20041106150327.GA24022@mcknight.de обсуждение исходный текст |
Ответ на | Re: Documentation on PITR still scarce (Simon Riggs <simon@2ndquadrant.com>) |
Ответы |
Re: Documentation on PITR still scarce
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Список | pgsql-hackers |
Hi, On Sat, Nov 06, 2004 at 11:13:34AM +0000, Simon Riggs wrote: > The timeline code only comes into effect when you request an archive > recovery. If you do not, it has no way of knowing it "should have". Ok. However these details should be added to the docs as well. At least a short warning should show up in 22.3.3 7. > Once you have brought up a database in timeline N+1, you can't use it as > the base to recover to a point in timeline N because the data file > contents cannot be trusted to be identical to the way they were in > timeline N. You mean "in timeline N ... to a point in timeline N+1", don't you? > Re-restoring the backup sounds like a thing that > needs-optimization, but it is required for transactional correctness. > [There is some slight area of improvement, but I don't wish to explain > this because it might lure people into error by mentioning it...the code > currently requires re-restoring] Ok. Thanks for all your explanations, Joachim
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