Monitoring YARN applications with web GUI
Now, we will look at the YARN web GUI to monitor the examples. You can monitor the application submission ID, the user who submitted the application, the name of the application, the queue in which the application is submitted, the start time and finish time in the case of finished applications, and the final status of the application, using the ResourceManager UI. The ResourceManager web UI differs from the UI of the Hadoop 1.x versions. The following screenshot shows the information we could get from the YARN web UI (http://localhost:8088).
Currently, the following web UI is showing information related to the PI example we ran in the previous section, exploring the YARN web UI:
The following screenshot ...
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