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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Explain the basic architecture of Hadoop?

 999

Name some companies that use Hadoop?

Airtel,

1011

what is hadoop archive?

 969

Have you ever used Counters in Hadoop. Give us an example scenario?

 1101

How is the distance between two nodes defined in Hadoop?

 1500

What is speculative execution in Hadoop?

 1099

What are the problems with Hadoop 1.0?

 1097

what are the nodes in the Hadoop cluster?

 1079

What is your favourite tool in the hadoop ecosystem?

 1015

How many Daemon processes run on a Hadoop system?

 1136

What is a Task instance in Hadoop? Where does it run?1

 888

Why do we use Hadoop?

 964

What is Hadoop Custom partitioner ?

 1047

What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?

 1367

What is the difference between Hadoop and Traditional RDBMS?

 963



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