Hadoop Interview Questions

Senior Software Dev Manager – Big Data, Hadoop, Amazon Elastic MapReduce (EMR)

Interviewed at Amazon

3.5★

Sep 23, 2013

They asked a theoretical about what I would do if 500 servers were failing. That is not an experience that I have had.

Hadoop Developer

Interviewed at Mercedes-Benz Research and Development India

3.7★

Nov 19, 2018

About project and they will provide the scenario and you ahve to solve the same using algorithm and programs.

Hadoop Administrator

Interviewed at Huntington Bank

3.4★

Apr 16, 2022

Just related to Hadoop principles.

Hadoop Developer

Interviewed at Cognizant

3.4★

Nov 29, 2017

Spark cores and executors

Hadoop Administrator

Interviewed at Quantiphi

3.8★

May 9, 2022

based on your Hadoop ecosystem services experience

Hadoop Administrator

Interviewed at DXC Technology

3.4★

Nov 29, 2019

Linux admin level questions

Hadoop Developer

Interviewed at Cognizant

3.4★

Aug 30, 2019

How you improved performance in hive? What is excutor? What is bucketing?

Senior Developer(Hadoop)

Interviewed at Deutsche Bank

3.8★

May 4, 2016

1. How hadoop works? 2. How Mapreduce works ? 3. How file of 100MB will be stored in Hadoop 4. How I will update data in hive files 5. How to read csv file of 10 gb and store it in database as it is within few seconds

Hadoop Administrator

Interviewed at PwC

3.7★

Jul 3, 2019

What happen in background when we decommission datanode from ambari, what is edge node, HA, If we want to give only read only access to third party application how will you do, capacity planning, how you secure your cluster.

Hadoop Developer

Interviewed at Capgemini

4.2★

Oct 1, 2019

All Basic Hive questions and Spark