What is rack-aware replica placement policy?


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More Apache Hadoop Interview Questions

On What concept the Hadoop framework works?

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Explain the core components of hadoop?

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

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What alternate way does HDFS provides to recover data in case a Namenode

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What are the different types of Znodes?

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

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Explain the difference between NameNode

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What is the best hardware configuration to run Hadoop?

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How is hadoop different from other data processing tools?

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What are combiners and its purpose?

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Main Components of Hadoop?

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What are the port numbers of namenode, job tracker and task tracker?

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