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Hint!The Application Detail UI contains useful tools for monitoring of the submitted applications. This UI can be opened from the Spark Master Web UI by clicking the Application Name of a running application. Click the top-level menus in the UI to monitor various aspects of the submitted applications. The Scheduling Delay and Processing Time graphs under the Streaming menu are particularly useful for monitoring the processing performance. The former displays the scheduling time of "Spark batches" and should be near 0. The latter display the processing time of these batches. |
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