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Why do we need a password-less ssh in fully distributed environment?


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More Apache Hadoop Interview Questions

Mention what is the number of default partitioner in Hadoop?

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Is map like a pointer?

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What is the jobtracker and what it performs in a hadoop cluster?

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How the HDFS Blocks are replicated?

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Explain why do we need hadoop?

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What is Partioner in hadoop? Where does it run

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What is HDFS ? How it is different from traditional file systems?

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What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?

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what should be the ideal replication factor in hadoop?

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Does google use hadoop?

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Can hbase run without hadoop?

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What do you understand from Node redundancy and is it exist in hadoop cluster?

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