2011 International Symposium on Intelligence Information Processing and Trusted ComputingHuanggang Normal University Hubei, ChinaGaizhen Yang

The Application of MapReduce in the Cloud Computing

Speaker : Kun-Hsiang, Chang

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• Abstract• Hadoop• MapReduce• MapReduce Programmed To Perform Task

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Outline

Analyzes the Hadoop architecture and MapReduce Working principle

How to write Mapper and Reducer classes, and how to use the object

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Abstract

NameNode

DataNode

Client

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Hadoop-HDFS

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Hadoop-MapReduce

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MapReduce

MapReduce programs can be run in three modes:

Standalone Mode

Pseudo-distributed Mode

Fully-distributed Mode

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MapReduce

Inputs division and dispatch

task configuration

task executive

Create customized Mapper and Reducer

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MapReduce Programmed To Perform Task

Speaker : Kun-Hsiang, Chang

End…

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