03: Q16 – Q26 Hadoop MapReduce interview questions & answers

This extends 02: Hadoop overview & architecture interview Q&As. Q16. What is MapReduce (i.e MR)? A16. MapReduce is a parallel programming model used for processing large datasets across 10 to 1000 of servers across the Hadoop cluster. A MapReduce program…

300+ Java Interview FAQs

800+ Java Interview Q&As