What is OutputCommitter?
MapReduce Types and Formats and Setting up a Hadoop Cluster?
What is an input reader in reference to mapreduce?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
what happens in textinformat ?
Explain the process of spilling in Hadoop MapReduce?
Why comparison of types is important for MapReduce?
What are the advantages of using mapreduce with hadoop?
How many InputSplits is made by a Hadoop Framework?
Where is Mapper output stored?
Explain what you understand by speculative execution
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
What is the key- value pair in Hadoop MapReduce?
How can we control particular key should go in a specific reducer?
