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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5246) Hadoop nfs server binds to port 2049 which is the same as Linux nfs server
Date Mon, 23 Sep 2013 22:58:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13775751#comment-13775751
] 

Haohui Mai commented on HDFS-5246:
----------------------------------

In my opinion, Portmap is designed to take care of the exact issue -- any servers that register
themselves in portmap server should use port 0, and portmap should take care of the rest.
                
> Hadoop nfs server binds to port 2049 which is the same as Linux nfs server
> --------------------------------------------------------------------------
>
>                 Key: HDFS-5246
>                 URL: https://issues.apache.org/jira/browse/HDFS-5246
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: nfs
>    Affects Versions: 2.1.0-beta
>         Environment: Red Hat Enterprise 6 with Sun Java 1.7 and IBM Java 1.6
>            Reporter: Jinghui Wang
>             Fix For: 3.0.0, 2.1.1-beta
>
>         Attachments: HDFS-5246-2.patch, HDFS-5246.patch
>
>
> Hadoop nfs binds the nfs server to port 2049,
> which is also the default port that Linux nfs uses. If Linux nfs is already running on
the machine then Hadoop nfs will not be albe to start.

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