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From "Peter Shi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6402) Application Master listen on all IPs
Date Thu, 18 Jun 2015 01:40:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14591096#comment-14591096
] 

Peter Shi commented on MAPREDUCE-6402:
--------------------------------------

I think there are 2 approaches:
1) bind the same ip with NodeManager, it is easy to implement, but the constraint is NM and
AM should be in the same subnet.
2) configuration subnet for AM, like "192.168.0.0/8", and the AM try to bind the ip belongs
to the subnet in the container.

> Application Master listen on all IPs
> ------------------------------------
>
>                 Key: MAPREDUCE-6402
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6402
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster
>    Affects Versions: 2.7.0
>            Reporter: Peter Shi
>            Assignee: Varun Saxena
>
> The application master listening on all IPs, which may cause security problems. Similar
issue: MAPREDUCE-5938



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