24 Hadoop Interview Questions & Answers for MapReduce developers

A good understanding of Hadoop Architecture is required to leverage the power of Hadoop. Below are few important practical questions which can be asked to a Senior Experienced Hadoop Developer in an interview. I learned the answers to them during my CCHD (Cloudera Certified Haddop Developer) certification. I hope you will find them useful. This list primarily includes questions related to Hadoop Architecture, MapReduce, Hadoop API and Hadoop Distributed File System (HDFS).

Hadoop is the most popular platform for big data analysis. The Hadoop ecosystem is huge and involves many supporting frameworks and tools to effectively run and manage it. This article focuses on the core of Hadoop concepts and its technique to handle enormous data.

Below list of hadoop interview questions and answers that may prove useful for beginners and experts alike. These are common set of questions that you may face at big data job interview or a hadoop certification exam (like CCHD).
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