Skip to main content

Yarn

WebUI​

ResourceManager网页默认端口8088，参数配置如下：

<property>
  <name>yarn.resourcemanager.webapp.address</name>
  <value>${yarn.resourcemanager.hostname}:8088</value>
  <final>false</final>
  <source>yarn-default.xml</source>
</property>

命令​

概述​

yarn 命令的基本使用方式如下：

基本操作​

yarn [SHELL_OPTIONS] COMMAND [GENERIC_OPTIONS] [SUB_COMMAND] [COMMAND_OPTIONS]

application​

基本操作

yarn application [options] Usage: yarn app [options]
  • 应用列表
yarn application -list
yarn application -list -appStates FINISHED

jar​

基本操作

yarn jar <jar> [mainClass] args...
  • 提交应用
yarn jar $HADOOP_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.3.6.jar pi 10 10

logs​

基本操作

yarn logs -applicationId <application ID> [options]
  • 查看日志
yarn logs -applicationId application_1713699747940_0001

node​

基本操作

yarn node [options]
  • 查看节点
yarn node -list

集群操作​

可以增加参数[--daemon]在后台完成

启动​

yarn --daemon start resourcemanager
yarn --daemon start nodemanager
yarn --daemon start proxyserver
yarn --daemon start historyserver
yarn --daemon start timelineserver
yarn --daemon start sharedcachemanager
yarn --daemon start registrydns

停止​

yarn --daemon stop resourcemanager
yarn --daemon stop nodemanager
yarn --daemon stop proxyserver
yarn --daemon stop historyserver
yarn --daemon stop timelineserver
yarn --daemon stop sharedcachemanager
yarn --daemon stop registrydns