Explain Hadoop streaming?
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Comparison between Secondary NameNode and Checkpoint Node in Hadoop?
What are configuration files in Hadoop?
Which directory does hadoop install to?
What does the high availability of a name-node means? How is it accomplished?
Why we use intwritable instead of int? Why we use longwritable instead of long?
Is Namenode machine same as DataNode machine as in terms of hardware?
What do you understand by standalone (or local) mode?
What do you mean by the NameNode High Availability in hadoop?
What is job tracker in Hadoop?
Whats the default port that jobtrackers listens ?
Mention what are the most common input formats defined in hadoop?
In which directory hadoop is installed?
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