Define a daemon?


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More Apache Hadoop Interview Questions

What is IdentityMapper?

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What platform and java version are required to run hadoop?

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Can NameNode and DataNode be a commodity hardware?

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What does ‘jps’ command do?

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What is the difference between Hadoop and Traditional RDBMS?

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what is the default replication factor in HDFS?

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Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

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What is Disk Balancer in Apache Hadoop?

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What happens in a textinputformat?

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What are the hadoop's three configuration files?

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what is SPF?

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what are Task Tracker and Job Tracker?

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