Marcelo Vanzin created SPARK-2845:
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             Summary: Add timestamp to BlockManager events
                 Key: SPARK-2845
                 URL: https://issues.apache.org/jira/browse/SPARK-2845
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
            Reporter: Marcelo Vanzin
            Priority: Minor


BlockManager events in SparkListener.scala do not have a timestamp; while not 
necessary for rendering the Spark UI, the extra information might be 
interesting for other tools that use the event data.

Note that the same applies to lots of other events; it would be nice, at some 
point, to have all of them have a timestamp assigned at the point of creation 
of the event, so that network traffic / event queueing in the driver do not 
affect that information. But right now, I'm more interested in those particular 
events. :-)



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