[jira] [Created] (HDFS-7834) Allow HDFS to bind to ipv6 conditionally

[Elliott Clark (JIRA)]

Elliott Clark created HDFS-7834:
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             Summary: Allow HDFS to bind to ipv6 conditionally
                 Key: HDFS-7834
                 URL: https://issues.apache.org/jira/browse/HDFS-7834
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Elliott Clark
            Assignee: Elliott Clark


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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