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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

973

Does Hadoop requires RAID?

944

What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?

1172

What is the Use of SSH in Hadoop ?

959

What infrastructure do we need to process 100 TB data using Hadoop?

1004

What is the difference between a Hadoop and Relational Database and Nosql?

1076

What is the difference between traditional RDBMS and Hadoop?

1170

What is safe mode in Hadoop?

960

What do you understand from Node redundancy and is it exist in hadoop cluster?

1231

Does hadoop always require digital data to process?

1180

What is Hadoop streaming?

1046

Can the balancer be run while Hadoop is in use?

973

What other technologies have you used in hadoop sta ck?

984

What is Apache Hadoop YARN?

1453

What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?

1112




Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1453


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

1005


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?

851


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?

750


What is Disk Balancer in Apache Hadoop?

885


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?

733