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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What is sqoop in Hadoop ?

 684

How many InputSplits is made by a Hadoop Framework?

 644

List the network requirements for using Hadoop ?

 627

What is the relationship between Job and Task in Hadoop?

 662

How to set mappers and reducers for Hadoop jobs?

 613

What are the data components used by Hadoop?

 738

In Hadoop what is InputSplit?

 630

How Facebook Uses Hadoop, Hive and Hbase ?

 707

Can you give us some examples, how Hadoop is used in real time environment?

 703

To deploy a 4 node cluster of Hadoop in AWS which instance type can be used?

 265

State some use cases where Hadoop MapReduce works well and where it does not.

WalMart,

346

How is Apache Spark better than Hadoop?

 300

What advantages does Spark offer over Hadoop MapReduce?

 297

Explain what is sqoop in Hadoop ?

 725

Explain what is the purpose of RecordReader in Hadoop?

 745



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1456

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

1006

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?

751

What is Disk Balancer in Apache Hadoop?

889

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?

735