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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8967) Reported source for config property can be misleading
Date Mon, 27 Apr 2015 01:40:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14513398#comment-14513398
] 

Hadoop QA commented on HADOOP-8967:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch |   0m  0s | The patch command could not apply the patch during
dryrun. |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12728282/HADOOP-8967.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 1a2459b |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/6189/console |


This message was automatically generated.

> Reported source for config property can be misleading
> -----------------------------------------------------
>
>                 Key: HADOOP-8967
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8967
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 0.23.3
>            Reporter: Jason Lowe
>            Assignee: Robert Joseph Evans
>            Priority: Minor
>         Attachments: HADOOP-8967.patch, HADOOP-8967.txt
>
>
> Configuration.set tries to track the source of a property being set, but it mistakenly
reports properties as being deprecated when they are not.  This is misleading and confusing
for users examining a job's configuration.
> For example, run a sleep job and check the job configuration on the job UI.  The source
for the "mapreduce.job.maps" property will be reported as "job.xml ⬅ because mapreduce.job.maps
is deprecated".  This leads users to think mapreduce.job.maps is now a deprecated property
and wonder what other property they should use instead.



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