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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What is sqoop in Hadoop ?

 639

How many InputSplits is made by a Hadoop Framework?

 580

List the network requirements for using Hadoop ?

 585

What is the relationship between Job and Task in Hadoop?

 615

How to set mappers and reducers for Hadoop jobs?

 563

What are the data components used by Hadoop?

 700

In Hadoop what is InputSplit?

 589

How Facebook Uses Hadoop, Hive and Hbase ?

 664

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

 656

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

 257

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

WalMart,

311

How is Apache Spark better than Hadoop?

 290

What advantages does Spark offer over Hadoop MapReduce?

 275

Explain what is sqoop in Hadoop ?

 680

Explain what is the purpose of RecordReader in Hadoop?

 703



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1416

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

959

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

846

What are the core components of Apache Hadoop?

713

What is the difference between Apache Hadoop and RDBMS?

737

How is security achieved in Apache Hadoop?

834

What is Apache Hadoop?

800

What is a “Distributed Cache” in Apache Hadoop?

724

What is the problem with small files in Apache Hadoop?

726

What is Rack Awareness in Apache Hadoop?

746

Explain Erasure Coding in Apache Hadoop?

692

What is Disk Balancer in Apache Hadoop?

798

What is a speculative execution in Apache Hadoop MapReduce?

739

What are the modes in which Apache Hadoop run?

744

What is Safemode in Apache Hadoop?

677