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How does a namenode handle the failure of the data nodes?


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More Apache Hadoop Interview Questions

Can you explain how do ‘map’ and ‘reduce’ work?

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What are the stable versions of Hadoop?

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

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Is it necessary to write jobs for hadoop in the java language?

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Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?

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What infrastructure do we need to process 100 TB data using Hadoop?

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what is the default replication factor in HDFS?

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Does this lead to security issues?

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Why is hadoop faster?

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what is a datanode?

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Can hive run without hadoop?

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Define a commodity hardware? Does commodity hardware include ram?

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