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https://issues.apache.org/jira/browse/YARN-4589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15102051#comment-15102051
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Jason Lowe commented on YARN-4589:
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Thanks for the patch, Chang! I haven't looked at the patch in detail, but I
see makes significant changes to both YARN and MapReduce. Please split the
MapReduce portion out into a separate JIRA. It will help reduce the size of
this patch to make it more focused and easier to review, and backwards
compatibility dictates that this patch cannot require the MapReduce-side
changes.
> Diagnostics for localization timeouts is lacking
> ------------------------------------------------
>
> Key: YARN-4589
> URL: https://issues.apache.org/jira/browse/YARN-4589
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Chang Li
> Assignee: Chang Li
> Attachments: YARN-4589.2.patch, YARN-4589.patch
>
>
> When a container takes too long to localize it manifests as a timeout, and
> there's no indication that localization was the issue. We need diagnostics
> for timeouts to indicate the container was still localizing when the timeout
> occurred.
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