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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What is sqoop in Hadoop ?

 739

How many InputSplits is made by a Hadoop Framework?

 712

List the network requirements for using Hadoop ?

 661

What is the relationship between Job and Task in Hadoop?

 705

How to set mappers and reducers for Hadoop jobs?

 651

What are the data components used by Hadoop?

 782

In Hadoop what is InputSplit?

 679

How Facebook Uses Hadoop, Hive and Hbase ?

 754

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

 732

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,

376

How is Apache Spark better than Hadoop?

 311

What advantages does Spark offer over Hadoop MapReduce?

 313

Explain what is sqoop in Hadoop ?

 763

Explain what is the purpose of RecordReader in Hadoop?

 781



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1490

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

1041

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

955

What are the core components of Apache Hadoop?

815

What is the difference between Apache Hadoop and RDBMS?

840

How is security achieved in Apache Hadoop?

951

What is Apache Hadoop?

891

What is a “Distributed Cache” in Apache Hadoop?

809

What is the problem with small files in Apache Hadoop?

832

What is Rack Awareness in Apache Hadoop?

849

Explain Erasure Coding in Apache Hadoop?

791

What is Disk Balancer in Apache Hadoop?

939

What is a speculative execution in Apache Hadoop MapReduce?

821

What are the modes in which Apache Hadoop run?

828

What is Safemode in Apache Hadoop?

769