Where sorting is done on mapper node or reducer node in MapReduce?
How to sort intermediate output based on values in MapReduce?
Explain what combiners are and when you should use a combiner in a mapreduce job?
MapReduce Types and Formats and Setting up a Hadoop Cluster?
How much space will the split occupy in Mapreduce?
Why MapReduce uses the key-value pair to process the data?
What platform and Java version is required to run Hadoop?
what are the most common input formats defined in Hadoop?
Explain Working of MapReduce?
What is the default input type in MapReduce?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
When is it not recommended to use MapReduce paradigm for large scale data processing?