What is unstructured data?


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More Apache Hadoop Interview Questions

Can hbase run without hadoop?

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How to change from su to cloudera?

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Explain a simple Map/Reduce problem.

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How Mapper is instantiated in a running job?

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Can Hadoop be compared to NOSQL database like Cassandra?

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What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

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What is the function of NodeManager?

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What is a 'block' in HDFS?

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What is the purpose of button groups?

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Have you ever used Counters in Hadoop. Give us an example scenario?

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What is a speculative execution in Apache Hadoop MapReduce?

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Explain the hadoop-core configuration?

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