[GitHub] spark pull request #22578: [SPARK-25564][CORE] Add output bytes metrics for ...

[LantaoJin]

GitHub user LantaoJin opened a pull request:

    https://github.com/apache/spark/pull/22578

    [SPARK-25564][CORE] Add output bytes metrics for each Executor

    ## What changes were proposed in this pull request?
    
    LiveExecutor only statistics the total input bytes. And total output bytes 
for each executor also has the equal importance like input. Besides we could 
see it in ExecutorTab, 
    
    ## How was this patch tested?
    
    ![screen shot 2018-09-28 at 4 00 07 
pm](https://user-images.githubusercontent.com/1853780/46195802-dd680700-c337-11e8-8d74-c64a2d1a1de2.png)
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/LantaoJin/spark SPARK-25564

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/22578.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #22578
    
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commit 64101a2c0a8aae2e7fc7ff35e3502b5aa5ded867
Author: LantaoJin <jinlantao@...>
Date:   2018-09-28T07:10:17Z

    [SPARK-25564][CORE] Add output bytes metrics for each Executor

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