What is the function of ApplicationMaster?


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More Apache Hadoop Interview Questions

How can one increase replication factor to a desired value in Hadoop?

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Can NameNode and DataNode be a commodity hardware?

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What is a 'block' in HDFS?

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What is Row Key?

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Explain how do ‘map’ and ‘reduce’ works?

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Which data storage components are used by hadoop?

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what is the default replication factor in HDFS?

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What does /var/hadoop/pids do?

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Explain the basic difference between traditional rdbms and hadoop?

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What is structured data?

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Define streaming?

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Explain the hadoop configuration files at present?

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