Re: Log-based repliaction?

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От Joshua D. Drake
Тема Re: Log-based repliaction?
Дата
Msg-id 453A396B.5090906@commandprompt.com
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Ответ на Log-based repliaction?  (Tobias Brox <tobias@nordicbet.com>)
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> *) boss has decided that a failover solution is important and should
> be prioritied in 2007 ... even to the point where he's willing to of
> throw money at it.  If anyone have experiences with failover-solutions
> built over a SAN, and can do consultancy services for us, please send
> me a private email ;-)
>
> **) We have had problems with transactions doing "if not exists in
> database then insert".  Two such transactions can be run synchronously
> and result in duplicates.

You have a couple of options.

1. Slony - Trigger based
2. Mammoth Replicator - Transaction Log based
3. PITR log shipping on timed intervals

Sincerely,

Joshua D. Drake


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