What are the limitations of importing RDBMS tables into Hcatalog directly?


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More Apache Hadoop Interview Questions

What is DistributedCache and its purpose?

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What is Apache Hadoop YARN?

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What is HDFS - Hadoop Distributed File System?

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What is the difference between hadoop and other data processing tools?

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

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What is the port number for NameNode

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Which are the three main hdfs-site.xml properties?

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What is the difference between traditional RDBMS and Hadoop?

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What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?

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How Mapper is instantiated in a running job?

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Explain the basic architecture of Hadoop?

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