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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Explain what is jobtracker in hadoop? What are the actions followed by hadoop?

 407

Explain what is hadoop?

 434

Mention how hadoop is different from other data processing tools?

 408

Mention what are the most common input formats defined in hadoop?

 442

Mention what is the difference between an rdbms and hadoop?

 424

Mention what are the three modes in which hadoop can be run?

 419

Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?

 614

Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

 439

Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?

 445

Explain what is a task tracker in hadoop?

 450

Mention what is distributed cache in hadoop?

 440

Explain how can you debug hadoop code?

 464

Explain what is webdav in hadoop?

 508

For using hadoop list the network requirements?

 471

Think that I am using tableau desktop & have a live connection to cloudera hadoop data I need to press f to refresh the visualization is there anyway to automatically refresh visualization every ‘x’ seconds instead of pressing f?

 388



Related Topics


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