What are the two main parts of the hadoop framework?


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More Apache Hadoop Interview Questions

Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

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What is the purpose of button groups?

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Why are the number of splits equal to the number of maps?

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What is the problem with HDFS and streaming data like logs

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Can we have multiple entries in the master files?

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Define a commodity hardware? Does commodity hardware include ram?

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What is a Task instance in Hadoop? Where does it run?1

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Knox and Hadoop Development Tools?

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Explain what is sqoop in Hadoop ?

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Is a job split into maps?

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How is the option in Hadoop to skip the bad records?

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What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?

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