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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11630) Allow hadoop.sh to bind to ipv6 conditionally
Date Mon, 20 Jul 2015 12:29:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14633515#comment-14633515

Steve Loughran commented on HADOOP-11630:

+we'll need a documentation page on Hadoop and IPv6; this would be one of the entries and
as good a place as any to start the file, it being step 1 of IPv6 support

> Allow hadoop.sh 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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