Tathagata Das created SPARK-1386:
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             Summary: Spark Streaming UI
                 Key: SPARK-1386
                 URL: https://issues.apache.org/jira/browse/SPARK-1386
             Project: Spark
          Issue Type: New Feature
          Components: Streaming
            Reporter: Tathagata Das


When debugging Spark Streaming applications it is necessary to monitor certain 
metrics that are not shown in the Spark application UI. For example, what is 
average processing time of batches? What is the scheduling delay? Is the system 
able to process as fast as it is receiving data? How many records I am 
receiving through my receivers? 

While the StreamingListener interface introduced in the 0.9 provided some of 
this information, it could only be accessed programmatically. A UI that shows 
information specific to the streaming applications is necessary for easier 
debugging.



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