FUNDAMENTALS OF COMPUTER

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DATABASE FUNDAMENTALS

BASICS OF BIG DATA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The fundamental idea of ____ is to split up the functionalities of resource management and job scheduling/monitoring into separate daemons. The idea is to have a global Resource Manager (RM) and per-application Application Master (AM). An application is either a single job or a DAG of jobs.
A
Hadoop Common
B
Hadoop Distributed File System (HDFS)
C
Hadoop YARN
D
Hadoop MapReduce
Explanation: 

Detailed explanation-1: -The fundamental idea of YARN is to split up the functionalities of resource management and job scheduling/monitoring into separate daemons. The idea is to have a global ResourceManager (RM) and per-application ApplicationMaster (AM).

Detailed explanation-2: -Apache Hadoop YARN is the resource management and job scheduling technology in the open source Hadoop distributed processing framework.

Detailed explanation-3: -The per-application ApplicationMaster is, in effect, a framework specific entity and is tasked with negotiating resources from the ResourceManager and working with the NodeManager(s) to execute and monitor the component tasks.

Detailed explanation-4: -Explanation: Yarn consists of three major components i.e. Resource Manager, Nodes Manager, Application Manager.

Detailed explanation-5: -Resource Manager: It is the master daemon of YARN and is responsible for resource assignment and management among all the applications.

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