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https://issues.apache.org/jira/browse/MAPREDUCE-5938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14053320#comment-14053320
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Ashutosh Jindal commented on MAPREDUCE-5938:
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[~vinodkv] The reason here is security. In case of a dual IP machine, we can
restrict shuffle port to bind to a specific IP instead of all the interfaces.
> Shuffle port in nodemanager is binding to all IPs
> --------------------------------------------------
>
> Key: MAPREDUCE-5938
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5938
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Ashutosh Jindal
> Assignee: Ashutosh Jindal
> Attachments: issue.jpg, mapreduce-5938.patch, result_after_fix.jpg
>
>
> nodemanager port mapreduce.shuffle.port is listening to all ip
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