Hadoop2.X YARN模块基本认知--基于《Hadoop技术内幕深入解析YARN架构设计与实现原理》
HadoopYARN源码组织结构YARNAPI(对应hadoop-yarn-api目录):给出了YARN内部涉及的4个主要RPC协议的Java声明和ProtocolBuffers定义YARNCommon(hadoop-yarn-common):包含了YARN的底层库实现YARNApplications(hadoop-yarn-applications):包含了两个Application编程实例,分