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Analysis of Hadoop1.0 and 2.0 design principles

Source: Internet
Author: User
Keywords Design principles task execution data flow
Tags analysis data design design concept design principles hadoop process read
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Analysis of Hadoop1.0 and 2.0 design principles

Yao Wei, Ma Liang

This paper briefly introduces the history of Hadoop development and the evolution process of its version. Hadoop 1 is elaborated in detail. The HDFs design concept, architecture, read/write Data flow and MapReduce architecture, task execution process, and HADOOP1 in 0. 0 insufficiency problem; 0 insufficiency problem, Hadoop2. 0 enhancements, including Namenode HA scheme, HDFS Federation Scheme and yarn design principles.


Analysis of Hadoop1.0 and 2.0 design principles

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