Should we use RAID in Hadoop or not?


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More Apache Hadoop Interview Questions

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

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How the HDFS Blocks are replicated?

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Why the name ‘hadoop’?

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Is client the end user in HDFS?

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What is NoSQL?

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Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?

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How to restart Namenode?

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how can we change Replication Factor?

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How does NameNode tackle DataNode failures?

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What is the difference between SQL and NoSQL?

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What are the main components of a Hadoop Application?

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Why do we use HDFS for applications having large data sets and not when there are lot of small files?

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