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 different functions available in pig latin language?

569

Explain pig architecture?

546

How does pig work?

598

Why there is need of pig language?

579

What is streaming?

682

What does conf.setmapper class do?

667

What are ‘maps’ and ‘reduces’?

696

What does a split do?

621

How hadoop mapreduce works?

640

What is shuffling in mapreduce?

607

Can we rename the output file?

685

What do sorting and shuffling do?

696

Explain about the partitioning, shuffle and sort phase

671

What are the four basic parameters of a reducer?

653

what is distributed cache in mapreduce framework?

673

Un-Answered Questions { Big Data }

what happens when Hadoop spawned 50 tasks for a job and one of the task failed?

691

Map reduce jobs take too long. What can be done to improve the performance of the cluster?

696

What is the maximum size of string data type supported by Hive?

782

Explain key features of Spark

309

Any two Limitations of Flume?

How can we remove a znode?

How to open a connection in hbase?

153

what is the purpose of using hadoop for big data analytics?

535

Explain how RDDs work with Scala in Spark

341

Explain the role of offset in kafka?

516

What happens if the block in HDFS is corrupted?

How to set property in apache tajo?

Explain how cassandra delete data?

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

Explain hbasestorage function?

596

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