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

Big Data Interview Questions

Questions Answers Views Company eMail

What are the options-process for upgrading zookeeper?

Is there an easy way to expire a session for testing?

What are producer-consumer queues?

What is a bookie in bookkeeper?

Describe how hbase uses zookeeper?

How kafka communicate with clients and servers?

563

What is log compaction?

583

Kafka has written in which languages?

590

What exactly kafka does?

535

What are consumers in kafka?

582

What does producer api in kafka?

526

What does consumer api in kafka?

556

How can you configur the log cleaner?

605

What are the core api’s of kafka?

546

How can you use streams api?

589

Un-Answered Questions { Big Data }

What is document store db?

Is it possible to split 100 lines of input as a single split in MapReduce?

1018

Explain job scheduling through JobTracker

778

What are complex data types in pig?

640

What is rdd lineage graph? How is it useful in achieving fault tolerance?

322

Did you ever ran into a lop sided job that resulted in out of memory error, if yes then how did you handled it ?

482

What is Safemode in Apache Hadoop?

781

how can you debug Hadoop code?

901

What is apache spark sql?

312

Does spark need yarn?

259

What is ObjectInspector functionality?

875

Does spark run hadoop?

316

Explain the difference between Spark SQL and Hive.

402

Why ‘Reading‘ is done in parallel and ‘Writing‘ is not in HDFS?

How apache spark works?

314

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