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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?

 629

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

 577

How to enable recycle bin in hadoop?

 713

How to enable trash/recycle bin in hadoop?

 688

What is small file problem in hadoop?

 719

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

 644

What exactly is hadoop?

 646

Can we do online transactions(oltp) using hadoop?

 622

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?

 647

What is output format in hadoop?

 650

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

 709

What hadoop does in safe mode?

 613

What is inputformat in hadoop?

 700

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

 662

when hadoop enter in safe mode?

 690



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1417

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

961

What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

850

What are the core components of Apache Hadoop?

718

What is the difference between Apache Hadoop and RDBMS?

743

How is security achieved in Apache Hadoop?

836

What is Apache Hadoop?

800

What is a “Distributed Cache” in Apache Hadoop?

725

What is the problem with small files in Apache Hadoop?

729

What is Rack Awareness in Apache Hadoop?

750

Explain Erasure Coding in Apache Hadoop?

693

What is Disk Balancer in Apache Hadoop?

802

What is a speculative execution in Apache Hadoop MapReduce?

739

What are the modes in which Apache Hadoop run?

747

What is Safemode in Apache Hadoop?

684