Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

What are Pig Execution modes?

615

What is bag data type in Pig?

678

How to load data in pig?

607

What are the Optimizations a developer can use during joins?

528

Why should we use ‘orderby’ keyword in pig scripts?

527

What are the different math functions available in Pig?

515

What is Pig Latin?

590

Tell me about the execution modes of Apache Pig?

538

What is a tuple?

2 1187

Why should we use ‘distinct’ keyword in Pig scripts?

540

What are the different Eval functions available in Pig?

562

What are the scalar data types in Pig?

605

State the limitations of Apache Pig?

616

Why we use BloomMapFile?

601

What is a skewed join?

613

Un-Answered Questions { Hadoop }

What did mean by data-node?

425

How Pig differs from MapReduce?

797

What is the difference between input split and hdfs block?

Is hadoop open source?

718

Define Spark-SQL?

281

What is zookeeper in hadoop?

646

What are the machine learning algorithms supports in apache mahout?

115

How hdfa differs with nfs?

738

What is Hector in Cassandra?

102

Define Apache Pig?

622

Can you explain smb join in hive?

721

What is a map side join?

685

Why cloudera is used?

476

How to write a custom partitioner for a Hadoop MapReduce job?

650

Is client the end user in HDFS?

978

For More Un-Answered { Hadoop } Questions Click Here