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https://issues.apache.org/jira/browse/SPARK-14245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15971633#comment-15971633
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Alex Bozarth commented on SPARK-14245:
--------------------------------------
Given it's been a year since I fixed that PR I honestly can't remember the
exact details of that race condition, and looking back I wish I had been more
through in detailing it in my comment. I can remember how the race condition
manifested as though:
After first starting up a stand-alone master (using user1), I would then submit
two apps simultaneously (or close enough for testing) using two users (user1
and user2) in this case both applications always listed user1, but this would
only happen if the two were the first applications submitted after starting up
the master (subsequent simultaneous submittals worked as expected).
As I mentioned I can't remember how I tracked down and identified the race
condition in the code though, feel free to dig into it. I would look at it, but
I don't have time at the moment.
> webUI should display the user
> -----------------------------
>
> Key: SPARK-14245
> URL: https://issues.apache.org/jira/browse/SPARK-14245
> Project: Spark
> Issue Type: Improvement
> Components: Web UI
> Affects Versions: 1.6.1
> Reporter: Thomas Graves
> Assignee: Alex Bozarth
> Fix For: 2.0.0
>
>
> It would be nice if the Spark UI (both active and history) showed the user
> who ran the application somewhere when you are in the application view.
> Perhaps under the Jobs view by total uptime and scheduler mode.
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