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

Big Data Interview Questions

Questions Answers Views Company eMail

how Hadoop is different from other data processing tools?

705

List the configuration parameters that have to be specified when running a MapReduce job.

654

what is a sequence file in Hadoop?

744

What are the key differences between Pig vs MapReduce?

666

When is it not recommended to use MapReduce paradigm for large

703

what happens in textinformat ?

719

Explain the differences between a combiner and reducer

733

What is a TaskInstance?

719

What is the default input type in MapReduce?

728

Which directory does hadoop install to?

536

Why use hadoop?

485

What are the actions followed by hadoop?

516

What kind of hardware is best for hadoop?

475

Where are hadoop’s configuration files located and list them?

488

How jobtracker assign tasks to the tasktracker?

476

Un-Answered Questions { Big Data }

What can I do with my m&s sparks points?

349

How to change the name of the output file from part-r-00000 in Hadoop MapReduce?

708

What is flatmap in angular?

345

What are the features of Spark?

305

How can you debug a pig script?

635

Explain about the execution plans of a Pig Script? Or Differentiate between the logical and physical plan of an Apache Pig script?

652

What is BloomMapFile used for?

717

What are some alternatives to apache kafka?

610

What does the ambari shell can be provided?

What is kafka?

609

What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?

656

Define MapReduce?

747

Explain cogroup() operation in Spark?

299

What does hbase consists of?

186

Explain benefits of lazy evaluation in RDD in Apache Spark?

332

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