# 05.Yarn常用命令</p> <h3 id="前言">前言</h3> <p>一般我们查看Yarn状态的时候，直接通过访问网页方式进行查看：<code>http://IP:8088/</code>，默认端口号为8088。本篇主要讲解另一种方式，通过命令行查看Yarn状态。</p> <h4 id="1-yarn-application查看任务">1. yarn application查看任务</h4> <h5 id="1-1-列出所有application">1.1 列出所有Application</h5> <p><strong>命令</strong></p> <pre><code>[root@hadoop103 ~]# yarn application -list </code></pre> <h5 id="1-2-根据application状态过滤">1.2 根据Application状态过滤</h5> <p><strong>命令</strong></p> <blockquote> <p>yarn application -list -appStates 【状态名称】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>#查询状态为执行完成的所有队列信息 [root@hadoop103 ~]# yarn application -list -appStates FINISHED </code></pre> <p><strong>所有状态：</strong></p> <ul> <li>ALL</li> <li>NEW</li> <li>NEW_SAVING</li> <li>SUBMITTED</li> <li>ACCEPTED</li> <li>RUNNING</li> <li>FINISHED</li> <li>FAILED</li> <li>KILLED</li> </ul> <h5 id="1-3-kill掉application">1.3 Kill掉Application</h5> <p><strong>命令</strong></p> <blockquote> <p>yarn application -kill 【applicaionID号】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>[root@hadoop103 ~]# yarn application -kill application_34_3067 </code></pre> <p>对于执行异常的任务我们可以通过kill命令来释放资源。</p> <h4 id="2-yarn-logs查看日志">2. yarn logs查看日志</h4> <h5 id="2-1-查询application日志">2.1 查询Application日志</h5> <p><strong>命令</strong></p> <blockquote> <p>yarn logs -applicationId 【ApplicationID】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>[root@hadoop103 ~]# yarn logs -applicationId application_34_3067 </code></pre> <h5 id="2-2-查询container日志">2.2 查询Container日志</h5> <p><strong>命令</strong></p> <blockquote> <p>yarn logs -applicationId 【ApplicationID】-containerId 【containerID】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>[root@hadoop103 ~]# yarn logs -applicationId application_34_3067 -containerId container_34_3067_01_000001 </code></pre> <h4 id="3-yarn-applicationattempt-查看尝试运行的任务">3. yarn applicationattempt 查看尝试运行的任务</h4> <h5 id="3-1-列出所有application尝试的列表">3.1 列出所有Application尝试的列表</h5> <p><strong>命令</strong></p><p><img src="https://51itzy.com/uploads//13/c18581b177d4d776.png"/></p> <blockquote> <p>yarn applicationattempt -list 【ApplicationID】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>[root@hadoop103 ~]# yarn applicationattempt -list application_34_3067 </code></pre> <h5 id="3-2-打印-applicationattemp-状态">3.2 打印 ApplicationAttemp 状态</h5> <p><strong>命令</strong></p> <blockquote> <p>yarn applicationattempt -status 【Attempt ID】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>[root@hadoop103 ~]# yarn applicationattempt -status appattempt_34_3067_000001 </code></pre> <h4 id="4-yarn-container查看容器">4. yarn container查看容器</h4> <h5 id="4-1-列出所有container">4.1 列出所有Container</h5> <p><strong>命令</strong></p> <blockquote> <p>yarn container -list 【Attempt ID】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>[root@hadoop103 ~]# yarn container -list appattempt_34_3067_000001 </code></pre> <h5 id="4-2-打印-container-状态">4.2 打印 Container 状态</h5> <p><strong>命令</strong></p> <blockquote> <p>yarn container -status 【Container ID】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>[root@hadoop103 ~]# yarn container -status container_34_3067_01_000001 </code></pre> <h4 id="5-yarn-node查看节点状态">5. yarn node查看节点状态</h4> <h5 id="5-1-列出所有节点">5.1 列出所有节点</h5> <p><strong>命令</strong></p> <pre><code>[root@hadoop103 ~]# yarn node -list -all </code></pre> <h4 id="6-yarn-rmadmin更新配置">6. yarn rmadmin更新配置</h4> <h5 id="6-1-加载队列配置">6.1 加载队列配置</h5> <p><strong>命令</strong></p> <pre><code>[root@hadoop103 ~]# yarn rmadmin -refreshQueues </code></pre> <h4 id="7-yarn-queue查看队列">7. yarn queue查看队列</h4> <h5 id="7-1-打印队列信息">7.1 打印队列信息</h5> <p><strong>命令</strong></p> <blockquote> <p>yarn queue -status 【QueueName】</p> </blockquote> <p><strong>示例</strong></p> <pre><code>[root@hadoop103 ~]# yarn queue -status default </code></pre> <p>