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Date: Tue, 23 Sep 2008 09:01:50 -0700 (PDT)
From: "Marco Nicosia (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-4177) Range of ports instead of all over
 the map
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    [ https://issues.apache.org/jira/browse/HADOOP-4177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12633778#action_12633778 ] 

Marco Nicosia commented on HADOOP-4177:
---------------------------------------

Although port 8020 may be in the code, it's not explicitly mentioned and/or overridden in hadoop-defaults.xml:

{code:xml}
<property>
  <name>fs.default.name</name>
  <value>file:///</value>
</property>

<property>
  <name>dfs.datanode.ipc.address</name>
  <value>0.0.0.0:50020</value>
  <description>
    The datanode ipc server address and port.
    If the port is 0 then the server will start on a free port.
  </description>
</property>
{code}

The quickstart doc uses port 9000 for fs.default.name:
{code:xml}
<property>
  <name>fs.default.name</name>
  <value>localhost:9000</value>
</property>
{code}

We need to make sure that when we consolidate, we make changes in the code, the default configs and the forest docs simultaneously.


> Range of ports instead of all over the map
> ------------------------------------------
>
>                 Key: HADOOP-4177
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4177
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.18.0
>            Reporter: Allen Wittenauer
>
> Change the default ports so they are next to each other rather than scattered to make it easier to firewall Hadoop off.

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