What is difference between an input split and hdfs block?
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What is difference between an input split and hdfs block?
Mention what is the hadoop mapreduce apis contract for a key and value class?
When is it not recommended to use MapReduce paradigm for large
How many Mappers run for a MapReduce job in Hadoop?
In MapReduce how to change the name of the output file from part-r-00000?
Detail description of the Reducer phases?
Explain the Reducer's Sort phase?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
what happens in textinformat ?
What is the core of the job in MapReduce framework?
What is the InputSplit in map reduce ?
Explain what is distributed cache in mapreduce framework?
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