What is oozie in hadoop?
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Explain the use of tasktracker in the hadoop cluster?
explain Metadata in Namenode?
What is HDFS block size and what did you chose in your project?
What Mapper does?
Can NameNode and DataNode be a commodity hardware?
What is formatting of the dfs?
Explain the wordcount implementation via hadoop framework ?
How you can contact your client everyday ?
Does the hdfs client decide the input split or namenode?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
Which one is default InputFormat in Hadoop ?
What is a namenode? How many instances of namenode run on a hadoop cluster?
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