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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4177) Range of ports instead of all over the map
Date Mon, 15 Sep 2008 22:37:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12631162#action_12631162
] 

Doug Cutting commented on HADOOP-4177:
--------------------------------------

I think the history is that originally Hadoop scanned from an initial port, so each was effectively
the beginning of a range.  But that scanning has mostly (entirely?) been removed.

> 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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