How many maps are there in a particular job?
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Can you explain logistic regression?
What is a Heartbeat in Hadoop?
What is JobTracker?
Explain the core methods of the reducer?
What is the purpose of RecordReader in hadoop?
Why Hadoop performs replication, although it results in data redundancy?
Mention what is the difference between an rdbms and hadoop?
Define a sequence file in hadoop?
How ordering in hdfs is finished?
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Explain is it possible to search for files using wildcards?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
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