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From: Vladimir S. <vst...@gm...> - 2012-10-26 13:31:48
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On Fri, Oct 26, 2012 at 10:15:45PM +0900, Michael Paquier wrote: > And you have the same notion with PG itself, you create 2 database The only a small difference: PG is not a cluster. > servers if you use a slave with a master, so I do not see your > point, and people live and appreciate such a robust solution.. If > you are so of using slaves, you could also use archive files for a > recovery, or take periodic dumps of each Datanode if you do not > want to lose data, then replay it on a new node if necessary. All these things needs extra resources while cluster itself should have enough redundancy for fail-over. The difference is that those redundant data in cluster are under work load, i.e. are working, while all other external solutions are dead weight. -- *************************** ## Vladimir Stavrinov ## vst...@gm... *************************** |