hadoop-yarn 通信

NM

ResourceTracker

任务提交：1.客户端通过ApplicationClientProtocol提交任务到RM2.RM通过 ContainerManagementProtocol 向NM启动 AppMaster3.AppMaster 通过 ApplicationMasterProtocol 向 RM 获取资源4.AppMaster 通过 ContainerManagementProtocol 向 NM 启动 MRChild5.MRChild 通过 TaskUmbilicalProtocol 向 TaskUmbilicalProtocol 报告进度6.Client 通过 MRClientProtocol 获取 job 的进度等信息

ApplicationClientProtocol

ClientRMService

ApplicationMasterProtocol

ApplicationHistoryClientService

ContainerManagementProtocol

Web User

JobHistory

AM

RM

Client

Admin User

ResourceTrackerService

ApplicationMasterService

心跳：1.NM向RM报告2.ContainerLocalizer向NM报告下载资源进度3.MRAppMaster向申请资源4.MRChild向AppMaster报告进度

ApplicationHistoryProtocol

Normal User