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What happens to job tracker when namenode is down?


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More Apache Hadoop Interview Questions

Explain the benefits of block transfer?

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Can Hadoop be compared to NOSQL database like Cassandra?

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On what basis name node distribute blocks across the data nodes?

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What is compute and Storage nodes?

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What is Hadoop streaming?

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How to change from su to cloudera?

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What is the port number for NameNode

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

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How does a namenode handle the failure of the data nodes?

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What is HDFS Block size? How is it different from traditional file system block size?

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Which one is default InputFormat in Hadoop ?

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Is fs.mapr.working.dir a single directory?

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