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question about failover and fencing - Hadoop - [mail # user]
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...Hi all, I´m planning to use NN HA and I have a question about fencing: when you run this command: hdfs haadmin -failover namenode01 namenode02 the first namenode01 ge...
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Author: ESGLinux,
2012-12-24, 09:39
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Re: understanding federation and mount points - Hadoop - [mail # user]
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...Hi All, looking for information to resolve my doubt I have found this interesting video: http://www.cloudera.com/content/cloudera/en/resources/library/training/whats-new-in-cdh4-a-guid...
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Author: ESGLinux,
2012-12-24, 08:38
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Re: Question about HA and Federation - Hadoop - [mail # user]
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...Thank you very much, your answer have clarified me these concepts very much, I didn't understand how could I mix HA and Federation and how many nodes I need.... Kind Regard...
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Author: ESGLinux,
2012-12-20, 18:03
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Re: Question about HA and Federation - Hadoop - [mail # user]
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...Hi again, So finally the number of nodes are these: 1 Active NameNode + 1 Passive NameNode (it does the work of the old Secondary NameNode) for NS1 NameSpace (these are 2 diferen...
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Author: ESGLinux,
2012-12-20, 17:55
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Re: Question about HA and Federation - Hadoop - [mail # user]
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...Hi Harsh, First thank you very much for your answer, following your example: You have: 1 Active NameNode + 1 Passive NameNode (it does the work of the old Secondary N...
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Author: ESGLinux,
2012-12-20, 17:39
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Question about HA and Federation - Hadoop - [mail # user]
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...Hi All, I´m going to test a hadoop cluster and I have a doubt about HA and Federation. With federation I Have a NameNode per namespace and with HA I have an Active NameNode and a...
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Author: ESGLinux,
2012-12-20, 16:30
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