Where is the Mapper Output stored?


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More Apache Hadoop Interview Questions

What is the difference between rdbms and hadoop?

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How is HDFS fault tolerant?

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

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What are the network requirements for using hadoop?

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What is salary of hadoop developer?

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What is the use of Combiner?

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What does ‘jps’ command do?

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What is IdentityMapper?

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What will you do when NameNode is down?

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What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

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How to change Replication Factor For below cases ?

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