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From "Nate Edel (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8271) NameNode should bind on both IPv6 and IPv4 if running on dual-stack machine and IPv6 enabled
Date Mon, 27 Apr 2015 21:51:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nate Edel updated HDFS-8271:
----------------------------
    Affects Version/s: 2.7.1

> 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
>    Affects Versions: 2.7.1
>            Reporter: Nate Edel
>            Assignee: Nate Edel
>              Labels: ipv6
>
> NameNode works properly on IPv4 or IPv6 single stack (assuming in the latter case that
scripts have been changed to disable preferIPv4Stack, and dependent on the client/data node
fix in HDFS-8078).  On dual-stack machines, NameNode listens only on IPv4 (even ignoring preferIPv6Addresses
being set.)
> 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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