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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What is partioner in hadoop? Where does it run,mapper or reducer?

 710

What is a task instance in hadoop? Where does it run?

 659

How to enable recycle bin in hadoop?

 800

How to enable trash/recycle bin in hadoop?

 777

What is small file problem in hadoop?

 832

What are the default configuration files that are used in hadoop?

 737

What exactly is hadoop?

 732

Can we do online transactions(oltp) using hadoop?

 711

Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

 740

What is output format in hadoop?

 734

How to enable/configure the compression of map output data in hadoop?

 831

What hadoop does in safe mode?

 702

What is inputformat in hadoop?

 800

Explain how input and output data format of the hadoop framework?

 749

when hadoop enter in safe mode?

 794



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