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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9427) HDFS should not default to ephemeral ports
Date Wed, 09 Mar 2016 21:54:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15188123#comment-15188123
] 

Xiaobing Zhou commented on HDFS-9427:
-------------------------------------

Thanks everyone for the feedback.

I posted V003 with the mapping:

{noformat}
Namenode ports 
---------------- 
50070 --> 9803
50470 --> 9804 
Secondary NN ports 
--------------- 
50090 --> 9805
50091 --> 9806 
backup NN ports 
--------------- 
50100 --> 9807
50105 --> 9808 
Datanode ports 
--------------- 
50010 --> 9809
50020 --> 9810
50075 --> 9811
50475 --> 9812	
{noformat}


9803-9874 is a wider range unassigned, any upcoming ports can be fit into this range.

> HDFS should not default to ephemeral ports
> ------------------------------------------
>
>                 Key: HDFS-9427
>                 URL: https://issues.apache.org/jira/browse/HDFS-9427
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode, hdfs-client, namenode
>    Affects Versions: 3.0.0
>            Reporter: Arpit Agarwal
>            Assignee: Xiaobing Zhou
>            Priority: Critical
>              Labels: Incompatible
>         Attachments: HDFS-9427.000.patch, HDFS-9427.001.patch, HDFS-9427.002.patch, HDFS-9427.003.patch
>
>
> HDFS defaults to ephemeral ports for the some HTTP/RPC endpoints. This can cause bind
exceptions on service startup if the port is in use.



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