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https://issues.apache.org/jira/browse/HADOOP-11630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14341348#comment-14341348
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Elliott Clark commented on HADOOP-11630:
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It shouldn't be an all or nothing ( and hasn't been the attitude for other
things like windows support or tiered storage). That mentality is how projects
get ~600 patches that are languishing.
Does the patch help: yes. It's simplifies the process of allowing ipv6
(something [[email protected]] had to go back and edit having gotten it wrong
initially).
Does the patch make fixing any of the other ipv6 issues harder: nope.
> 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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