add usage section to README
@@ -6,6 +6,7 @@ An Apache Hadoop collectd plugin which users can use to send metrics from Hadoop
- [Description](#description)
- [Requirements and Dependencies](#requirements-and-dependencies)
- [Installation](#installation)
+- [Usage](#usage)
- [Configuration](#configuration)
- [License](#license)
@@ -78,6 +79,26 @@ Follow these steps to install this plugin:
5. Restart collectd.
+### USAGE
+SignalFx provides several built-in dashboards for Hadoop YARN, HDFS, and MapReduce. Examples are shown below.
+
+- **Hadoop YARN** Resource Manager and Application metrics
+
+ [<img src='./img/yarn_resource_manager.png' width=200px>](./img/yarn_resource_manager.png)
+ [<img src='./img/yarn_application.png' width=200px>](./img/yarn_application.png)
+
+- **Hadoop HDFS** HDFS Overview, NameNode, and DataNode metrics
+
+ [<img src='./img/hdfs_overview.png' width=200px>](./img/hdfs_overview.png)
+ [<img src='./img/hdfs_namenode.png' width=200px>](./img/hdfs_namenode.png)
+ [<img src='./img/hdfs_datanode.png' width=200px>](./img/hdfs_datanode.png)
+
+- **Haddop MapReduce** MapReduce applications, jobs, and resource usage
+
+ [<img src='./img/mapreduce_apps.png' width=200px>](./img/mapreduce_apps.png)
+ [<img src='./img/mapreduce_jobs.png' width=200px>](./img/mapreduce_jobs.png)
+ [<img src='./img/mapreduce_usage.png' width=200px>](./img/mapreduce_usage.png)
+
### CONFIGURATION
>See the following links for more information of specific metric endpoints:
