HDP学习--YARN Resource Management(01)

一、YARN组件功能的总结： ResourceManagerNodeManagerContainerApplicationMasterSchedule global resourcesManage local memory and CPU allocationAllocated RAM and CPU cores by NodeManagerYARN application bootstrap processEnable multitenancyNegotiate resourcesEnable SLA enforcementProvide application fault toleranceMonitor and manage NodeManagersTrack and report on node healthWork with NodeManager for container restartMonitor and manage ApplicationMastersManage file localization for containersRun ApplicationMasters and job tasksMonitor containers globallyMonitor and manage local containersMonitor job tasks and containers across clusterManage ACLsManage Tokens 二、知识回归：