What is InputSplit in Hadoop? Explain. › Category: Hadoop › What is InputSplit in Hadoop? Explain. 0 Vote Up Vote Down Editor">Editor Staff asked 2 years ago What is InputSplit in Hadoop? Explain. 1 Answers 0 Vote Up Vote Down Editor">Editor Staff answered 2 years ago When a Hadoop job runs, it splits input files into chunks and assigns each split to a mapper for processing. It is called the InputSplit.