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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?

 459

Explain what is hadoop?

 473

Mention how hadoop is different from other data processing tools?

 455

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

 487

Mention what is the difference between an rdbms and hadoop?

 474

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

 468

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

 661

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

 484

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

 488

Explain what is a task tracker in hadoop?

 509

Mention what is distributed cache in hadoop?

 479

Explain how can you debug hadoop code?

 509

Explain what is webdav in hadoop?

 552

For using hadoop list the network requirements?

 520

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?

 419



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?

833

What are the modes in which Apache Hadoop run?

840

What is Safemode in Apache Hadoop?

781