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Posted to hdfs-issues@hadoop.apache.org by "Nate Edel (JIRA)" <ji...@apache.org> on 2015/04/27 23:47:38 UTC

[jira] [Created] (HDFS-8271) NameNode should bind on both IPv6 and IPv4 if running on dual-stack machine and IPv6 enabled

Nate Edel created HDFS-8271:
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             Summary: NameNode should bind on both IPv6 and IPv4 if running on dual-stack machine and IPv6 enabled
                 Key: HDFS-8271
                 URL: https://issues.apache.org/jira/browse/HDFS-8271
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode
            Reporter: Nate Edel
            Assignee: Nate Edel


NameNode works properly on IPv4 or IPv6 single stack (assuming scripts have been changed to disable preferIPv4Stack).  On dual-stack machines, NameNode listens only on IPv4 (even ignoring preferIPv6Addresses.)

Our initial use case for IPv6 is IPv6-only clusters, but ideally we'd support binding to both the IPv4 and IPv6 machine addresses so that we can support heterogenous clusters (some dual-stack and some IPv6-only machines.)



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