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?

800

How to enable trash/recycle bin in hadoop?

777

What is small file problem in hadoop?

832

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

737

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?

740

What is output format in hadoop?

734

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

831

What hadoop does in safe mode?

702

What is inputformat in hadoop?

800

Un-Answered Questions { Big Data }

Is apache spark a programming language?

324

How many instances of tasktracker run on a hadoop cluster?

730

Why Apache Spark?

335

How do we create rdds in spark?

575

Which is better hadoop or spark?

312

What is the difference between HDFS block and input split?

949

What are the actions followed by hadoop?

512

What are the benefits yarn brings in to hadoop?

471

How many instances of a jobtracker run on hadoop cluster?

688

How to create custom key and custom value in MapReduce Job?

657

JMX stands for?

110

how is a file of the size 1 GB uncompressed

962

What is apache spark sql?

311

Explain Avro Schemas?

How will you read and write HDFS files in Hive?

748

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