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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?

 703

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

 650

How to enable recycle bin in hadoop?

 794

How to enable trash/recycle bin in hadoop?

 768

What is small file problem in hadoop?

 820

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

 729

What exactly is hadoop?

 724

Can we do online transactions(oltp) using hadoop?

 706

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?

 724

What is output format in hadoop?

 724

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

 820

What hadoop does in safe mode?

 696

What is inputformat in hadoop?

 784

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

 745

when hadoop enter in safe mode?

 789



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1492

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

1042

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

957

What are the core components of Apache Hadoop?

817

What is the difference between Apache Hadoop and RDBMS?

842

How is security achieved in Apache Hadoop?

954

What is Apache Hadoop?

892

What is a “Distributed Cache” in Apache Hadoop?

812

What is the problem with small files in Apache Hadoop?

833

What is Rack Awareness in Apache Hadoop?

850

Explain Erasure Coding in Apache Hadoop?

792

What is Disk Balancer in Apache Hadoop?

940

What is a speculative execution in Apache Hadoop MapReduce?

822

What are the modes in which Apache Hadoop run?

830

What is Safemode in Apache Hadoop?

771