What is the purpose of button groups?


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More Apache Hadoop Interview Questions

What are active and passive "NameNodes"?

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What are sink processors?

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What are the different types of Znodes?

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What is Hadoop serialization?

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What is your favourite tool in the hadoop ecosystem?

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How can you connect an application

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How many maximum jvm can run on a slave node?

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What is the jobtracker and what it performs in a hadoop cluster?

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How to configure hadoop to reuse JVM for mappers?

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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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What is the relation between job and task in hadoop?

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How blocks are distributed among all data nodes for a particular chunk of data?

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