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


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More Apache Hadoop Interview Questions

What is version-id mismatch error in hadoop?

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Name the various types of lists supported by bootstrap.

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What is HDFS High Availability?

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What is the purpose of dfsadmin tool?

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What is the meaning of speculative execution in Hadoop? Why is it important?

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Define a commodity hardware? Does commodity hardware include ram?

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

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What is a block and block scanner in HDFS?

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What is cloudera and why it is used?

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What are the basic available commands in Hadoop sqoop ?

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What is the difference between Apache Hadoop and RDBMS?

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How the HDFS Blocks are replicated?

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