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https://issues.apache.org/jira/browse/SPARK-16868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15405757#comment-15405757
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carlmartin commented on SPARK-16868:
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This is the same executor not different jvm process. So I think it can't have
two status.
> Executor will be both dead and alive when this executor reregister itself to
> driver.
> ------------------------------------------------------------------------------------
>
> Key: SPARK-16868
> URL: https://issues.apache.org/jira/browse/SPARK-16868
> Project: Spark
> Issue Type: Bug
> Components: Web UI
> Reporter: carlmartin
> Priority: Minor
> Attachments: 2016-8-3 15-41-47.jpg, 2016-8-3 15-51-13.jpg
>
>
> In a rare condition, Executor will register its block manager twice.
> !https://issues.apache.org/jira/secure/attachment/12821794/2016-8-3%2015-41-47.jpg!
> When unregister it from BlockManagerMaster, driver mark it as "DEAD" in
> executors WebUI.
> But when the heartbeat reregister the block manager again, this executor will
> also have another status "Active".
> !https://issues.apache.org/jira/secure/attachment/12821795/2016-8-3%2015-51-13.jpg!
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