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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10446) native code for reading Hadoop configuration XML files
Date Fri, 28 Mar 2014 17:02:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13951047#comment-13951047
] 

Colin Patrick McCabe commented on HADOOP-10446:
-----------------------------------------------

Object references are a good consideration.  I remember using that a lot in HA namenode configurations
for HDFS.

I don't think serializing a config and sending it over the wire is something we really need
to support in the native client.  The HDFS client doesn't do that, so we can implement that
feature if and when we need it.  Similarly, Java system properties are something I know we
don't have to support in C :)

> native code for reading Hadoop configuration XML files
> ------------------------------------------------------
>
>                 Key: HADOOP-10446
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10446
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Colin Patrick McCabe
>
> We need to have a way to read Hadoop configuration XML files in the native HDFS and YARN
clients.  This will allow those clients to discover the locations of NameNodes, YARN daemons,
and other configuration settings, etc. etc.



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