How to Administering Hadoop?


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More Apache Hadoop Interview Questions

How can we check whether namenode is working or not?

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Is it necessary to write jobs for hadoop in the java language?

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what is the default replication factor in HDFS?

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How will you make changes to the default configuration files?

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Is hadoop obsolete?

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What should be the ideal replication factor in Hadoop Cluster?

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On what basis Namenode will decide which datanode to write on?

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What is difference between split and block in hadoop?

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What is commodity hardware?

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Can you explain how do ‘map’ and ‘reduce’ work?

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What is formatting of the dfs?

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What is Rack Awareness in Apache Hadoop?

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