[jira] [Commented] (HADOOP-8525) Provide Improved Traceability for Configuration

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-8525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13408536#comment-13408536 ] 

Hadoop QA commented on HADOOP-8525:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12535438/HADOOP-8525.txt
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 2 new or modified test files.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    +1 core tests.  The patch passed unit tests in hadoop-common-project/hadoop-common.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/1179//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/1179//console

This message is automatically generated.
                
> Provide Improved Traceability for Configuration
> -----------------------------------------------
>
>                 Key: HADOOP-8525
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8525
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Trivial
>         Attachments: HADOOP-8525.txt, HADOOP-8525.txt, HADOOP-8525.txt
>
>
> Configuration provides basic traceability to see where a config setting came from, but once the configuration is written out that information is written to a comment in the XML and then lost the next time the configuration is read back in.  It would really be great to be able to store a complete history of where the config came from in the XML, so that it can then be retrieved later for debugging.

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