What are the port numbers of job tracker?
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How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
How can one check whether NameNode is working or not?
Is it possible to have hadoop job output in multiple directories?
Whats the default port that jobtrackers listens ?
How many InputSplits will be made by hadoop framework?
How is the splitting of file invoked in Hadoop ?
Explain the core methods of the reducer?
What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
Explain the usage of Context Object?
What are the most common InputFormats in Hadoop?
Mention what is rack awareness?
What are the Hadoop features extended to its eco-system components ?
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