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https://issues.apache.org/jira/browse/HADOOP-15377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16432596#comment-16432596
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Steve Loughran commented on HADOOP-15377:
-----------------------------------------
LGTM, but do (always) make sure that toLowerCase()/toUpperCase() has the
LOCALE_EN arg provided, as not all regions do case conversion consistent with
everyone's expectations.
> Review of MetricsConfig.java
> ----------------------------
>
> Key: HADOOP-15377
> URL: https://issues.apache.org/jira/browse/HADOOP-15377
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common
> Affects Versions: 3.0.2
> Reporter: BELUGA BEHR
> Assignee: BELUGA BEHR
> Priority: Minor
> Attachments: HADOOP-15377.1.patch
>
>
> I recently enabled debug level logging in a MR application and was getting a
> lot of log lines from this class that were just blank, without context. I've
> enhanced the log messages to include additional context and a few other small
> clean up while looking at this class.
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