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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

1028

Does Hadoop requires RAID?

998

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

1220

What is the Use of SSH in Hadoop ?

1000

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

1052

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

1118

What is the difference between traditional RDBMS and Hadoop?

1207

What is safe mode in Hadoop?

1014

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

1277

Does hadoop always require digital data to process?

1216

What is Hadoop streaming?

1085

Can the balancer be run while Hadoop is in use?

1020

What other technologies have you used in hadoop sta ck?

1020

What is Apache Hadoop YARN?

1499

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

1149




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?

802


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