How Mapper is instantiated in a running job?


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More Apache Hadoop Interview Questions

Can we have multiple entries in the master files?

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What are the two main parts of the hadoop framework?

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What are sink processors?

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Why do we need a password-less ssh in fully distributed environment?

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What should be the ideal replication factor in Hadoop Cluster?

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Can hbase run without hadoop?

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What are the characteristics of hadoop framework?

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Explain the overview of hadoop history breifly?

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What will you do when NameNode is down?

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What is a task instance in hadoop? Where does it run?

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How to resolve small file problem in hdfs?

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