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Hadoop Interview Questions
Questions Answers Views Company eMail

What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?

 783

Is it necessary to know java to learn hadoop?

 663

Explain the use of .mecia class?

 784

What is the sequencefileinputformat in hadoop?

 713

What is the difference between hadoop and other data processing tools?

 688

Which data storage components are used by hadoop?

 666

Give the use of the bootstrap panel.

 676

What are the functionalities of jobtracker?

 672

Is it possible to provide multiple inputs to hadoop? If yes, explain.

 658

What are the network requirements for using hadoop?

 684

What is the relation between job and task in hadoop?

 664

What do you know by storage and compute node?

 689

What is the purpose of button groups?

 751

Name the various types of lists supported by bootstrap.

 679

How many instances of a jobtracker run on hadoop cluster?

 641

Un-Answered Questions { Hadoop }

Mention Hadoop core components?

657

What is the main difference between Kafka and Flume?

690

Define HDFS and talk about their respective components?

51

What is serialization in spark?

308

How can you add a new partition for the month December in the above partitioned table?

681

What are the Advantages of using Cassandra ?

93

What is the latest version of sqoop?

1

Mention what is rack awareness?

381

What is the difference between Apache Hadoop and RDBMS?

807

What is spark deploy mode?

313

Use of import-all-tables command in hadoop sqoop?

5

How can one increase replication factor to a desired value in Hadoop?

1120

Why is spark good?

290

What is a Heartbeat in Hadoop?

560

Explain in brief what is the architecture of Spark?

312

For More Un-Answered { Hadoop } Questions Click Here