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https://issues.apache.org/jira/browse/HADOOP-12431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elliott Clark resolved HADOOP-12431.
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Resolution: Won't Fix
Assignee: (was: Nemanja Matkovic)
Going to resolve this one as won't fix. We don't want to bind to ipv6 by
default. Instead I'm going to open a documentation jira about how to set up a
cluster with dual stack.
> NameNode should bind on both IPv6 and IPv4 if running on dual-stack machine
> and IPv6 enabled
> --------------------------------------------------------------------------------------------
>
> Key: HADOOP-12431
> URL: https://issues.apache.org/jira/browse/HADOOP-12431
> Project: Hadoop Common
> Issue Type: Sub-task
> Affects Versions: 2.7.1
> Reporter: 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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