what job does the conf class do?

752

What is the purpose of textinputformat?

683

How to set which framework would be used to run mapreduce program?

650

What are the identity mapper and reducer in MapReduce?

742

What are the main components of MapReduce Job?

647

Is reduce-only job possible in Hadoop MapReduce?

662

Where sorting is done in Hadoop MapReduce Job?

622

In MapReduce, ideally how many mappers should be configured on a slave?

624

How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.

786

What is the process of changing the split size if there is limited storage space on Commodity Hardware?

658

What is the inputsplit in map reduce software?

593

What is the difference between Job and Task in MapReduce?

585

Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?

585

In MapReduce how to change the name of the output file from part-r-00000?

612

Difference between mapreduce and spark

657