What do you mean by inputformat?
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How do you stop a running job gracefully?
What is the need of MapReduce in Hadoop?
What is the role of a MapReduce partitioner?
Explain what is shuffling in mapreduce?
What are the various InputFormats in Hadoop?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
what is a sequence file in Hadoop?
What is a distributed cache in mapreduce framework?
Explain Working of MapReduce?
What is Output Format in MapReduce?
List the configuration parameters that have to be specified when running a MapReduce job.
What are the data components used by Hadoop?
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