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 is the use of binstorage?

524

What are complex data types in pig?

550

Explain textloader function?

604

What is a bag in apache pig?

513

Explain plucktuple?

533

What is a ledger in bookkeeper?

What are the different zkclientbindings?

What are the design goals of zookeeper?

What are znodes?

What are nodes and ephemeral nodes?

What is cages?

What are the bookkeeper elements and concepts?

What is connection_loss error?

How should you handle session_expired?

What is bookkeeper?

Un-Answered Questions { Hadoop }

What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?

1125

what is the maximum size of the message does Kafka server can receive?

506

What is azure spark?

283

Is it possible to provide multiple input to Hadoop? If yes then how?

471

Whether the output of mapper or output of partitioner written on local disk?

644

is it posible to join multiple fields in pig scripts?

497

How can we remove a znode?

What is the role of the offset.

468

What are the different components of a Hive architecture?

801

What are pig scripts?

548

What role does worker node play in Apache Spark Cluster? And what is the need to register a worker node with the driver program?

334

How client application interacts with the NameNode?

912

How are sparks created?

273

Explain bagtotuple?

525

How can you schedule a sqoop job using Oozie?

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