Answer / Gaurav Kumar Gupta

The main components of Hadoop include: HDFS (Hadoop Distributed File System), MapReduce (a processing framework for large data sets), YARN (Yet Another Resource Negotiator, a resource management layer that helps manage resources efficiently across the cluster), and various client libraries like Avro, HBase, Pig, etc.

What are the stable versions of Hadoop?

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What is Apache Hadoop YARN?

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How many instances of a jobtracker run on hadoop cluster?

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What do you know about keyvaluetextinputformat?

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What is HDFS block size and what did you chose in your project?

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What is Distributed Cache?

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Explain the core components of hadoop?

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How is the distance between two nodes defined in Hadoop?

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what is a datanode?

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Main Components of Hadoop?

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What is HDFS High Availability?

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Can NameNode and DataNode be a commodity hardware?

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