How to debug Hadoop code?
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Mention what does the text input format do?
How ordering in hdfs is finished?
How to specify more than one path for storage in Hadoop?
In which location name node sores its metadata and why?
What do you understand by a closure in scala?
What is NameNode? How NameNode tackle Datanode failures in Hadoop?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
How namenode handles data node failures?
Explain what is sequencefileinputformat?
Give me examples of unstructured data?
What are the modes in which Hadoop run?
Name the files which are used by the startup and shutdown commands?
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