What is a Combiner?


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More Apache Hadoop Interview Questions

What is the difference between a Hadoop and Relational Database and Nosql?

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What is Hadoop Custom partitioner ?

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Define a combiner?

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Define fault tolerance?

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What does ‘jps’ command do?

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What is Your Cluster size ?

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Why are the number of splits equal to the number of maps?

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What is HDFS High Availability?

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what is a datanode?

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What is the function of NodeManager?

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How the HDFS Blocks are replicated?

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How to change Replication Factor For below cases ?

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