Hadoop Interview Questions

Hadoop Administrator

Interviewed at Quantiphi

3.9★

May 9, 2022

based on your Hadoop ecosystem services experience

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 DXC Technology

3.4★

Nov 29, 2019

Linux admin level questions

Hadoop Developer

Interviewed at Capgemini

4.1★

Dec 5, 2018

Project related and hive functions questions

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 Administrator/Developer

Interviewed at Experian

4.1★

Nov 15, 2015

Linux Based : Other than KILL <PID> command what are the other Ways to Kill a Process. How do these process communicate with the system to terminate the Process

Hadoop Administrator/Developer

Interviewed at Experian

4.1★

Nov 15, 2015

Linux: mention few commands that you use frequently in Linux,

Hadoop Developer

Interviewed at Capgemini

4.1★

Oct 1, 2019

All Basic Hive questions and Spark

Hadoop Developer

Interviewed at Capgemini

4.1★

Jun 8, 2021

Hadoop and spark questions and basic info about IT

Hadoop Administrative

Interviewed at Xavient

3.4★

Nov 15, 2019

basic Hadoop questions project work flow, cluster size, day to day, etc