HDP学习--YARN Resource Management(01)

一、YARN组件功能的总结：

ResourceManager NodeManager Container ApplicationMaster Schedule global resources Manage local memory and CPU allocation Allocated RAM and CPU cores by NodeManager YARN application bootstrap process Enable multitenancy Negotiate resources Enable SLA enforcement Provide application fault tolerance Monitor and manage NodeManagers Track and report on node health Work with NodeManager for container restart Monitor and manage ApplicationMasters Manage file localization for containers Run ApplicationMasters and job tasks Monitor containers globally Monitor and manage local containers Monitor job tasks and containers across cluster Manage ACLs Manage Tokens

二、知识回归：