[jira] [Created] (SPARK-7111) Add a tracker to track the direct (receiver-less) streams

["Saisai Shao (JIRA)" <ji...@apache.org>]

Saisai Shao created SPARK-7111:
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             Summary: Add a tracker to track the direct (receiver-less) streams
                 Key: SPARK-7111
                 URL: https://issues.apache.org/jira/browse/SPARK-7111
             Project: Spark
          Issue Type: Improvement
            Reporter: Saisai Shao


Currently for receiver-based input streams, Spark Streaming offers ReceiverTracker and ReceivedBlockTracker to track the status of receivers as well as block information. Also this status and block information can be retrieved from StreamingListener to expose to the users.

But for direct-based (receiver-less) input streams, Current Spark Streaming lacks such mechanism to track the registered direct streams, also lacks the way to track the processed number of data for direct-based input streams.

Here propose a mechanism to track the register direct stream, also expose the processing statistics to the BatchInfo and StreamingListener.



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