How many JVMs run on a slave node?


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More Apache Hadoop Interview Questions

What if a namenode has no data?

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What is HDFS High Availability?

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Does this lead to security issues?

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How many JVMs run on a slave node?

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Why do we need a password-less ssh in fully distributed environment?

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What should be the ideal replication factor in Hadoop Cluster?

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What is a namenode? How many instances of namenode run on a hadoop cluster?

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What is oozie in hadoop?

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What is Your Cluster size ?

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What is inputformat in hadoop?

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Explain a simple Map/Reduce problem.

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Command to format the NameNode?

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