hadoop任务管理器UI在哪里？ [英] where is the hadoop task manager UI

问题描述

我使用本教程在我的ubuntu盒子上安装了hadoop 2.2系统。

http://codesfusion.blogspot.com/2013/11/hadoop-2x-core-hdfs-and-yarn-components。 HTML

一切正常，对我来说现在当我做的时候

  http：// localhost：50070 
  

我可以看到HDFS的管理用户界面。很好！

但是我正在阅读另一个教程，告诉我必须有一个任务管理器UI在 http://mymachine.com:50030 和 http：// mymachine.com:50060

我的机器上无法打开这些端口。

我有已完成

start-dfs.sh
start-yarn.sh
start-all.sh

有问题吗？为什么我看不到任务管理器用户界面？

解决方案

您已经安装了运行ResourceManager的YARN（MRv2）。 URL http://mymachine.com:50030 是MRv1附带的JobTracker守护程序的Web地址，因此您无法看看它。

要查看ResourceManager UI，请检查yarn-site.xml文件中的以下属性：

yarn.resourcemanager.webapp.address

默认情况下，它应该指向：resource_manager_hostname：8088 b
$ b

假设您的ResourceManager在mymachine上运行，您应该在 http://mymachine.com:8088/

中看到ResourceManager UI b
$ b

在您访问ResourceManager的URL之前，确保您所有的deamons都已启动并正在运行。

I installed the hadoop 2.2 system on my ubuntu box using this tutorial

http://codesfusion.blogspot.com/2013/11/hadoop-2x-core-hdfs-and-yarn-components.html

Everything worked fine for me and now when I do

 http://localhost:50070

I can see the management UI for HDFS. Very good!!

But the I am going through another tutorial which tells me that there must be a task manager UI running at http://mymachine.com:50030 and http://mymachine.com:50060

on my machine I cannot open these ports.

I have already done

start-dfs.sh start-yarn.sh start-all.sh

is something wrong? why can't I see the task manager UI?

解决方案

You have installed YARN (MRv2) which runs the ResourceManager. The URL http://mymachine.com:50030 is the web address for the JobTracker daemon that comes with MRv1 and hence you are not able to see it.

To see the ResourceManager UI, check your yarn-site.xml file for the following property:

yarn.resourcemanager.webapp.address

By default, it should point to : resource_manager_hostname:8088

Assuming your ResourceManager runs on mymachine, you should see the ResourceManager UI at http://mymachine.com:8088/

Make sure all your deamons are up and running before you visit the URL for the ResourceManager.

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