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?

663

What do you mean by inputformat?

666

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

724

What is a distributed cache in mapreduce framework?

674

What do you mean by data locality?

730

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

666

What is pig statistics?

568

List the relational operators in pig.

680

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

605

List the diagnostic operators in pig.

636

Why do we need indexing?

756

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?

831

What is hbase fsck?

218

What are different tombstone markers in hbase?

159

What is the use of get() method?

158

Un-Answered Questions { Big Data }

Can you define rdd lineage?

300

What is distinct clause in apache tajo?

How should you handle session_expired?

What is the use of spark sql?

290

What are the file formats supported by spark?

315

What is dynamic partitioning and when is it used?

1122

Explain how message is consumed by consumer in Kafka?

563

Where is the output of Mapper written in Hadoop?

857

What do you mean by Schema Declaration?

What is the characteristic of streaming API that makes it flexible run MapReduce jobs in languages like Perl, Ruby, Awk etc.?

494

What is the biggest shortcoming of Spark?

339

what do you mean by data processing?

544

Define partitions in apache spark.

2194

Give some points of hive for hadoop ?

772

Explain parquet file?

307

For More Un-Answered { Big Data } Questions Click Here