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 is reduce side join in mapreduce?

613

What do you mean by inputformat?

611

What are the various configuration parameters required to run a mapreduce job?

658

What is a distributed cache in mapreduce framework?

604

What do you mean by data locality?

672

How can we assure that the values regarding a particular key goes to the same reducer?

606

What is pig statistics?

527

List the relational operators in pig.

629

What are all stats classes in the java api package available?

558

List the diagnostic operators in pig.

587

Why do we need indexing?

711

What will happen in case you have not issued the command: ‘set hive.enforce.bucketing=true;’ before bucketing a table in hive in apache hive 0.x or 1.x?

773

What is hbase fsck?

214

What are different tombstone markers in hbase?

154

What is the use of get() method?

153

Un-Answered Questions { Big Data }

Explain the term 'Topic Replication Factor'?

525

What is application master in spark?

277

Where is table data stored in Apache Hive by default?

809

What is apache spark good for?

282

What are Replication Tool and its types?

564

What is cages?

Is kafka open source?

500

Define composite type in Cassandra?

How do you stop a running job gracefully?

603

Does sqoop use mapreduce?

Explain what if rack 2 and datanode fails?

636

What is the difference between Pig and SQL?

634

What are the different Data Types available in Hive?

699

Explain the role of the offset?

535

how would you modify that solution to only count the number of unique words in all the documents?

973

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