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https://issues.apache.org/jira/browse/SPARK-30582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean R. Owen updated SPARK-30582:
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Priority: Minor (was: Major)
> Spark UI is not showing Aggregated Metrics by Executor in stage page
> --------------------------------------------------------------------
>
> Key: SPARK-30582
> URL: https://issues.apache.org/jira/browse/SPARK-30582
> Project: Spark
> Issue Type: Bug
> Components: Web UI
> Affects Versions: 3.0.0
> Reporter: Saurabh Chawla
> Priority: Minor
> Fix For: 3.0.0
>
> Attachments: SparkUIStagePage.mov
>
>
> There are scenarios where Spark History Server is located behind the VPC. So
> whenever api calls hit to get the executor Summary(allexecutors). There can
> be delay in getting the response of executor summary and in mean time
> "stage-page-template.html" is loaded and the response of executor Summary is
> not added to the stage-page-template.html.
> As the result of which Aggregated Metrics by Executor in stage page is
> showing blank.
> This scenario can be easily found in the cases when there is some
> proxy-server which is responsible for sending the request and response to
> spark History server.
> This can be reproduced in Knox/In-house proxy servers which are used to send
> and receive response to Spark History Server.
> Alternative scenario to test this case, Open the spark UI in developer mode
> in browser add some breakpoint in stagepage.js, this will add some delay in
> getting the response and now if we check the spark UI for stage Aggregated
> Metrics by Executor in stage page is showing blank.
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