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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

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

What are the different methods to run Spark over Apache Hadoop?

716

Why is Apache Spark faster than Apache Hadoop?

842

What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?

489

What are the configuration files in Hadoop?

541

Compare Apache Hadoop and Apache Spark?

445

What are the different modes in which we can configure/install Hadoop?

542

Explain how Hadoop cluster hardware planning and provisioning is done?

554

How to create a user in Hadoop?

489




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