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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11630) Allow hadoop to bind to ipv6 conditionally
Date Tue, 24 Feb 2015 21:22:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335479#comment-14335479
] 

Elliott Clark commented on HADOOP-11630:
----------------------------------------

So one this cleans up the config variable so that it actually does what it says. And two it
allows that work to continue forward while real production systems move forward. It in no
way slows any progress on any other solution.

> Allow hadoop to bind to ipv6 conditionally
> ------------------------------------------
>
>                 Key: HADOOP-11630
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11630
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: scripts
>    Affects Versions: 2.6.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>              Labels: ipv6
>         Attachments: HDFS-7834-branch-2-0.patch, HDFS-7834-trunk-0.patch
>
>
> Currently the bash scripts unconditionally add -Djava.net.preferIPv4Stack=true
> While this was needed a while ago. IPV6 on java works much better now and there should
be a way to allow it to bind dual stack if needed.



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