Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Explain the wordcount implementation via hadoop framework ?

765

What is hadoop framework?

765

What is partioner in hadoop? Where does it run,mapper or reducer?

710

What is a task instance in hadoop? Where does it run?

659

How to enable recycle bin in hadoop?

802

How to enable trash/recycle bin in hadoop?

778

What is small file problem in hadoop?

833

What are the default configuration files that are used in hadoop?

738

What exactly is hadoop?

732

Can we do online transactions(oltp) using hadoop?

711

Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

741

What is output format in hadoop?

734

How to enable/configure the compression of map output data in hadoop?

833

What hadoop does in safe mode?

703

What is inputformat in hadoop?

800

Un-Answered Questions { Big Data }

What are the differences between PIG and HIVE?

651

Name the Spark Library which allows reliable file sharing at memory speed across different cluster frameworks.

322

Discuss the precautions that are needed to take care while adding a column?

What is difference between flume and kafka?

What are the different catalog tables in hbase?

180

List down the segments of a hive question processor?

692

What is amazon spark?

286

What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?

1151

What is the use of spark?

288

What is Hive Data Definition language?

1016

What do you mean by ZNode?

What do you understand by sstabl in cassandra?

How can I install Cloudera VM in my system?

1015

Difference between groupByKey vs reduceByKey in Apache Spark?

485

What is bookkeeper?

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