What Is The Inputformat ?

1.	What Is The Inputformat ?
Answer» The INPUTFORMAT is responsible for enumerate (itemise) the InputSplits, and PRODUCING a RECORDREADER which will turn those logical work units into actual physical input records. The InputFormat is responsible for enumerate (itemise) the InputSplits, and producing a RecordReader which will turn those logical work units into actual physical input records.

Answer»

The INPUTFORMAT is responsible for enumerate (itemise) the InputSplits, and PRODUCING a RECORDREADER which will turn those logical work units into actual physical input records.

The InputFormat is responsible for enumerate (itemise) the InputSplits, and producing a RecordReader which will turn those logical work units into actual physical input records.

Discussion

No Comment Found

Related InterviewSolutions

If Reducers Do Not Start Before All Mappers Finish Then Why Does The Progress On Mapreduce Job Shows Something Like Map(50%) Reduce(10%)? Why Reducers Progress Percentage Is Displayed When Mapper Is Not Finished Yet?
When Is The Reducers Are Started In A Mapreduce Job?
What Is A Identitymapper And Identityreducer In Mapreduce ?
What Is Writable & Writablecomparable Interface?
What Are Combiners? When Should I Use A Combiner In My Mapreduce Job?
Where Is The Mapper Output (intermediate Kay-value Data) Stored ?
Can I Set The Number Of Reducers To Zero?
Does Mapreduce Programming Model Provide A Way For Reducers To Communicate With Each Other? In A Mapreduce Job Can A Reducer Communicate With Another Reducer?
How Namenode Handles Data Node Failures?
What Is The Difference Between Hdfs And Nas ?

What Is The Inputformat ?

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment