What does job conf class do?
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What's the best way to copy files between HDFS clusters?
What is the jobtracker and what it performs in a hadoop cluster?
explain Metadata in Namenode?
Where is the Mapper Output stored?
How many instances of a jobtracker run on hadoop cluster?
Which are the three main hdfs-site.xml properties?
what is the typical block size of an HDFS block?
Define a datanode?
On what basis Namenode will decide which datanode to write on?
Define a namenode?
What does ‘jps’ command do?
Does the hdfs client decide the input split or namenode?