What does ‘jps’ command do?


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More Apache Hadoop Interview Questions

How to resolve IOException: Cannot create directory

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did you maintain the hadoop cluster in-house or used hadoop in the cloud?

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Main Components of Hadoop?

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What is rack-aware replica placement policy?

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How do you define "block" in HDFS?

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Explain how input and output data format of the hadoop framework?

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Why is Apache Spark faster than Apache Hadoop?

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Virtual Box & Ubuntu Installation?

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What problems have you faced when you are working on Hadoop code?

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Is it necessary to write jobs for hadoop in the java language?

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Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?

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Define tasktracker.

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