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https://issues.apache.org/jira/browse/HDFS-13566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16571903#comment-16571903
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Erik Krogen commented on HDFS-13566:
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[~shv] - I think the idea is sound, but I have a question about how you will
use these auxiliary ports. From a client perspective, you would normally access
that namespace with a URI like {{hdfs://namespace2/path/to/file}}. How do you
specify that this should go through one of the auxiliary ports?
> Add configurable additional RPC listener to NameNode
> ----------------------------------------------------
>
> Key: HDFS-13566
> URL: https://issues.apache.org/jira/browse/HDFS-13566
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ipc
> Reporter: Chen Liang
> Assignee: Chen Liang
> Priority: Major
> Attachments: HDFS-13566.001.patch, HDFS-13566.002.patch,
> HDFS-13566.003.patch
>
>
> This Jira aims to add the capability to NameNode to run additional
> listener(s). Such that NameNode can be accessed from multiple ports.
> Fundamentally, this Jira tries to extend ipc.Server to allow configured with
> more listeners, binding to different ports, but sharing the same call queue
> and the handlers. Useful when different clients are only allowed to access
> certain different ports. Combined with HDFS-13547, this also allows different
> ports to have different SASL security levels.
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