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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, 23 Mar 2016 19:06:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15208967#comment-15208967
] 

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

[~arpiagariu] here is the new mappings to keep 9870 as being easily remembered. Thanks all
for review.
{noformat}
Namenode ports 
---------------- 
50470 --> 9871
50070 --> 9870

Secondary NN ports 
--------------- 
50091 --> 9869
50090 --> 9868

Datanode ports 
--------------- 
50020 --> 9867
50010 --> 9866
50475 --> 9865
50075 --> 9864
{noformat}

I also removed changes of backup NN ports. 

> 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-9427.004.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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