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 input format, input split & record reader and what they do?

677

How namenode handles data node failures?

574

What is the non dfs used?

599

How can one write custom record reader?

537

Whats the default port that jobtrackers listens ?

519

Do we need to place 2nd and 3rd data in rack 2 only?

493

Is nosql follow relational db model?

512

What are the different clustering in mahout?

What does apache mahout do?

What is the difference between apache mahout and apache spark’s mllib?

What is the roadmap for apache mahout version 1.0?

What is apache mahout?

Mention some machine learning algorithms exposed by mahout?

What are the features of apache mahout?

How can we scale apache mahout in cloud?

Un-Answered Questions { Big Data }

what do you mean by data processing?

544

How do I download spark?

288

What is the role of the kafka producer api.

588

What is javardd?

305

Is hive suitable to be used for oltp systems? Why?

847

What are the relational operators available related to combining and splitting in pig language?

753

List the advantage of Parquet file in Apache Spark?

470

What is the future of Big Data trend?

685

Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?

486

How is spark fault tolerance?

408

What is Block in HDFS?

What are the relational operators available related to Grouping and joining in Pig language?

518

How to Containerizing ZooKeeper With Docker?

How can I import large objects (BLOB and CLOB objects) in Apache Sqoop?

Is hive similar to sql?

780

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