Mention what is the hadoop mapreduce apis contract for a key and value class?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
What is a TaskInstance?
What do you know about nlineinputformat?
Explain what is the function of mapreduce partitioner?
In MapReduce, ideally how many mappers should be configured on a slave?
Can we submit the mapreduce job from slave node?
How to set the number of mappers for a MapReduce job?
What does a split do?
Define the Use of MapReduce?
Define speculative execution?
What is SequenceFileInputFormat in Hadoop MapReduce?
Explain task granularity