What does the mapred.job.tracker command do?
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Explain the difference between an inputsplit and a block?
What is distributed copy (distcp)?
What happens if number of reducers are 0?
Explain edge nodes in hadoop?
List out the some common problems faced by data analyst?
List some use cases where classification machine learning algorithms can be used.
Ideally what should be the replication factor in hadoop?
What is the role of the namenode?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
What type of data hadoop can handle ?
What are the differences between hadoop 1 and hadoop 2?
Whats the default port that jobtrackers listens ?
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