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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?

 672

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

 615

How to enable recycle bin in hadoop?

 766

How to enable trash/recycle bin in hadoop?

 738

What is small file problem in hadoop?

 783

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

 691

What exactly is hadoop?

 691

Can we do online transactions(oltp) using hadoop?

 669

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?

 689

What is output format in hadoop?

 683

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

 766

What hadoop does in safe mode?

 649

What is inputformat in hadoop?

 744

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

 714

when hadoop enter in safe mode?

 744



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1456

What are the modules that constitute the Apache Hadoop 2.0 framework?

1006

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?

852

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?

751

What is Disk Balancer in Apache Hadoop?

889

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?

735