yarn application 命令：
application master bin/yarn-session.sh -jm 1024m -tm 4096m hadoop classes export HADOOP_CLASSPATH='hadoop classpath' yarn logs -applicationId application_1614690943057_0029
[root@cbp1 kafkaToES]# yarn node list Invalid Command Usage : usage: node -all Works with -list to list all nodes. -list List all running nodes. Supports optional use of -states to filter nodes based on node state, all -all to list all nodes. -states <States> Works with -list to filter nodes based on input comma-separated list of node states. -status <NodeId> Prints the status report of the node. [root@cbp1 kafkaToES]# yarn node -list 21/03/07 20:34:07 INFO client.ConfiguredRMFailoverProxyProvider: Failing over to rm69 Total Nodes:3 Node-Id Node-State Node-Http-Address Number-of-Running-Containers cbp3.chinaoly.com:8041 RUNNING cbp3.chinaoly.com:8042 0 cbp2.chinaoly.com:8041 RUNNING cbp2.chinaoly.com:8042 1 cbp1.chinaoly.com:8041 RUNNING cbp1.chinaoly.com:8042 1