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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

925

Does Hadoop requires RAID?

889

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

1122

What is the Use of SSH in Hadoop ?

919

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

955

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

1025

What is the difference between traditional RDBMS and Hadoop?

1126

What is safe mode in Hadoop?

900

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

1182

Does hadoop always require digital data to process?

1120

What is Hadoop streaming?

986

Can the balancer be run while Hadoop is in use?

924

What other technologies have you used in hadoop sta ck?

927

What is Apache Hadoop YARN?

1416

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

1063




Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1416


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

958


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

845


What are the core components of Apache Hadoop?

712


What is the difference between Apache Hadoop and RDBMS?

736


How is security achieved in Apache Hadoop?

833


What is Apache Hadoop?

800


What is a “Distributed Cache” in Apache Hadoop?

723


What is the problem with small files in Apache Hadoop?

725


What is Rack Awareness in Apache Hadoop?

745


Explain Erasure Coding in Apache Hadoop?

691


What is Disk Balancer in Apache Hadoop?

798


What is a speculative execution in Apache Hadoop MapReduce?

739


What are the modes in which Apache Hadoop run?

743


What is Safemode in Apache Hadoop?

677