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 hive can improve performance with orc format tables?

413

How to change the column data type in hive? Explain rlike in hive.

426

What are the uses of explode hive?

419

how can we access the sub directories recursively?

445

How do we write our own custom serde?

416

Explain the functionality of object-inspector.

428

Differentiate between hive and hbase?

438

Explain process to access sub directories recursively in hive queries.

521

Mention the date data type in hive. Name the hive data type collection.

435

What is the local repository and where it is useful while using ambari environment?

Explain repository in apache ambari?

Explain the functionalities of the nagios in ambari?

Can ambari manage multiple clusters and why?

What is the latest version of ambari that is available in the present market?

In ambari what are the different life cycle commands?

Un-Answered Questions { Big Data }

how to proceed to write your first mapreducer program?

1023

What does the Spark Engine do?

212

How much space will the split occupy in Mapreduce?

395

What are the main features of impala?

What is the procedure of data storage in cassandra?

Should the region server be located on all DataNodes?

305

What is apache spark written in?

194

What is simple strategy?

What is a combiner and where you should use it?

352

What is a Hive variable? What for we use it?

475

How the write operation is performed on Cassandra node ?

What do you know about keyvaluetextinputformat?

363

Explain the term commitlog?

What are the storage supported by tajo?

What is the inputsplit in map reduce software?

369

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