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https://issues.apache.org/jira/browse/YARN-808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13934165#comment-13934165
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Zhijie Shen commented on YARN-808:
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After YARN-1389, we have separate APIs to get the application attempt
report(s), where we can get the application attempt state. IMHO, we no longer
need to have additional attempt state in application report. Any idea?
> ApplicationReport does not clearly tell that the attempt is running or not
> --------------------------------------------------------------------------
>
> Key: YARN-808
> URL: https://issues.apache.org/jira/browse/YARN-808
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.1.0-beta
> Reporter: Bikas Saha
> Assignee: Xuan Gong
> Attachments: YARN-808.1.patch
>
>
> When an app attempt fails and is being retried, ApplicationReport immediately
> gives the new attemptId and non-null values of host etc. There is no way for
> clients to know that the attempt is running other than connecting to it and
> timing out on invalid host. Solution would be to expose the attempt state or
> return a null value for host instead of "N/A"
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