【Yarn】Yarn高可用HA方案文章目录1.概述2.源码分析2.1 createEmbeddedElector2.1.1 ActiveStandbyElectorBasedElectorService2.1.2 构造方法2.1.3 serviceInit2.2 ActiveStandbyElector2.2.1 构造方法2.2.2 serviceStart2.2.3 joinElection选举2.2.4 processResult2.2.5 becomeActive2.2.6 processResult-异常2.2.7 fatalError2.2