How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?
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What is KeyValueTextInputFormat in Hadoop MapReduce?
What is the difference between Job and Task in MapReduce?
Explain the process of spilling in Hadoop MapReduce?
What is the default value of map and reduce max attempts?
What is the data storage component used by Hadoop?
What is a map side join?
How do you stop a running job gracefully?
What platform and Java version is required to run Hadoop?
Explain the process of spilling in MapReduce?
What is identity mapper and reducer? In which cases can we use them?
Mention when to use Map reduce mode?
Write a short note on the disadvantages of mapreduce