What is Partioner in hadoop? Where does it run
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What is Hadoop Custom partitioner ?
How to change replication factor of files already stored in HDFS?
What is MapFile?
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Explain the wordcount implementation via hadoop framework ?
what is a datanode?
Is client the end user in HDFS?
What is the port number for NameNode
What is the problem with small files in Apache Hadoop?
On what basis Namenode will decide which datanode to write on?
What is the difference between Apache Hadoop and RDBMS?
How to change from su to cloudera?
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