What are the various configuration parameters required to run a mapreduce job?
Mention what is the hadoop mapreduce apis contract for a key and value class?
What are the identity mapper and reducer in MapReduce?
what is distributed cache in mapreduce framework?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
What are the fundamental configurations parameters specified in map reduce?
How to set the number of reducers?
What is the purpose of textinputformat?
What is Hadoop Map Reduce ?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
what job does the conf class do?
Explain what is “map” and what is "reducer" in hadoop?
Is it possible to search for files using wildcards?