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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What is check pointing in hadoop?

 441

What type of data hadoop can handle ?

 423

How to use combiner in hadoop ?

 445

Do you know the comparative differences between apache spark and hadoop?

 276

What are the core components that are utilized in hadoop?

 518

What is the connection between hadoop and big data?

 509

List the common input formats used in hadoop.

 520

What are some of the different modes used in hadoop.

 494

what is the purpose of using hadoop for big data analytics?

 535

Mention what is the hadoop mapreduce apis contract for a key and value class?

 681

Explain what is “map” and what is "reducer" in hadoop?

 643

Mention what is the data storage component used by hadoop?

 446

Explain what is namenode in hadoop?

 438

Explain what is a sequence file in hadoop?

 467

Mention how many inputsplits is made by a hadoop framework?

 577



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1454

What are the modules that constitute the Apache Hadoop 2.0 framework?

1005

What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

907

What are the core components of Apache Hadoop?

784

What is the difference between Apache Hadoop and RDBMS?

807

How is security achieved in Apache Hadoop?

909

What is Apache Hadoop?

851

What is a “Distributed Cache” in Apache Hadoop?

777

What is the problem with small files in Apache Hadoop?

783

What is Rack Awareness in Apache Hadoop?

811

Explain Erasure Coding in Apache Hadoop?

750

What is Disk Balancer in Apache Hadoop?

887

What is a speculative execution in Apache Hadoop MapReduce?

793

What are the modes in which Apache Hadoop run?

800

What is Safemode in Apache Hadoop?

733