What will you do when NameNode is down?


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More Apache Hadoop Interview Questions

What Mapper does?

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How a task is scheduled by a jobtracker?

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Explain the use of tasktracker in the hadoop cluster?

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What is unstructured data?

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How to enable recycle bin or trash in hadoop?

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What are the modules that constitute the Apache Hadoop 2.0 framework?

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What is high availability in hadoop?

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What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

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Define a task tracker?

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Why do we use HDFS for applications having large data sets and not when there are lot of small files?

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Name some companies that use Hadoop?

0 Answers   Airtel,


Which are the two types of 'writes' in HDFS?

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