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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What is sqoop in Hadoop ?

 751

How many InputSplits is made by a Hadoop Framework?

 720

List the network requirements for using Hadoop ?

 667

What is the relationship between Job and Task in Hadoop?

 714

How to set mappers and reducers for Hadoop jobs?

 665

What are the data components used by Hadoop?

 789

In Hadoop what is InputSplit?

 692

How Facebook Uses Hadoop, Hive and Hbase ?

 766

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

 740

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,

384

How is Apache Spark better than Hadoop?

 311

What advantages does Spark offer over Hadoop MapReduce?

 317

Explain what is sqoop in Hadoop ?

 777

Explain what is the purpose of RecordReader in Hadoop?

 790



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1499

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

1048

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

969

What are the core components of Apache Hadoop?

829

What is the difference between Apache Hadoop and RDBMS?

856

How is security achieved in Apache Hadoop?

965

What is Apache Hadoop?

900

What is a “Distributed Cache” in Apache Hadoop?

824

What is the problem with small files in Apache Hadoop?

839

What is Rack Awareness in Apache Hadoop?

859

Explain Erasure Coding in Apache Hadoop?

803

What is Disk Balancer in Apache Hadoop?

953

What is a speculative execution in Apache Hadoop MapReduce?

834

What are the modes in which Apache Hadoop run?

840

What is Safemode in Apache Hadoop?

781