What is a 'block' in HDFS?


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More Apache Hadoop Interview Questions

Does hadoop always require digital data to process?

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What is Disk Balancer in Apache Hadoop?

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Is it possible to provide multiple inputs to hadoop? If yes, explain.

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Can Hadoop be compared to NOSQL database like Cassandra?

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What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

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What is the main purpose of HDFS fsck command?

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What are the default configuration files that are used in hadoop?

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Can we call vms as pseudos?

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On What concept the Hadoop framework works?

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What are the two main parts of the hadoop framework?

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What is the heartbeat used for?

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How will you make changes to the default configuration files?

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