What is the difference between hadoop and other data processing tools?
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How to restart Namenode?
Explain the difference between NameNode
How would you tackle counting words in several text documents?
What is the InputFormat ?
What do you understand from Node redundancy and is it exist in hadoop cluster?
explain Metadata in Namenode?
Does hadoop always require digital data to process?
What is the problem with HDFS and streaming data like logs
How is HDFS fault tolerant?
Where is the Mapper Output stored?
Is it necessary to write jobs for hadoop in the java language?
What is the process to change the files at arbitrary locations in HDFS?
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