<!--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-->

Hadoop: YARN-UI V2
=================

Configurations
-------------

*In `yarn-site.xml`*

| Configuration Property | Description |
|:---- |:---- |
| `yarn.webapp.ui2.enable` | *(Required)* In the server side it indicates whether the new YARN-UI v2 is enabled or not. Defaults to `false`. |
| `yarn.webapp.ui2.war-file-path` | *(Optional)* WAR file path for launching yarn UI2 web application. By default this is empty and YARN will lookup required war file from classpath |

Please note that, If you run YARN daemons locally in your machine for test purpose,
you need the following configurations added to `yarn-site.xml` to enable cross
origin (CORS) support.

| Configuration Property | Value | Description |
|:---- |:---- |:---- |
| `yarn.timeline-service.http-cross-origin.enabled` | true | Enable CORS support for Timeline Server  |
| `yarn.resourcemanager.webapp.cross-origin.enabled` | true | Enable CORS support for Resource Manager  |
| `yarn.nodemanager.webapp.cross-origin.enabled` | true | Enable CORS support for Node Manager  |

Use it
-------------
Open your browser, go to `rm-address:8088/ui2` and try it!