In Hadoop, which file controls reporting in Hadoop?
How to optimize Hadoop MapReduce Job?
Why do we need MapReduce during Pig programming?
What is the relationship between Job and Task in Hadoop?
How to compress mapper output in Hadoop?
what are the most common input formats defined in Hadoop?
What are ‘maps’ and ‘reduces’?
When is the reducers are started in a MapReduce job?
How to write a custom partitioner for a Hadoop MapReduce job?
How can we assure that the values regarding a particular key goes to the same reducer?
Is it necessary to write a mapreduce job in java?
In mapreduce what is a scarce system resource? Explain?
what does the text input format do?