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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

List Hadoop’s three configuration files?

 460

What is Distributed Cache in Hadoop?

 507

What is the relationship between Jobs and Tasks in Hadoop?

 660

Tell me some major benefits of Hadoop?

 459

What are the four modules that make up the Apache Hadoop framework?

 598

Explain about Hadoop file system and processing framework?

 470

How Hadoop is cost-effective?

 459

What are the Hadoop features extended to its eco-system components ?

 491

What is job tracker in Hadoop?

 548

What are the main components in Hadoop Eco-System and what are their functions ?

 534

Name the most common Input Formats defined in Hadoop? Which one is default?

 501

What is the block size in Hadoop?

 479

After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?

 524

What is streaming in Hadoop?

 472

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

 512



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