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https://issues.apache.org/jira/browse/HADOOP-11903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14617834#comment-14617834
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Kengo Seki commented on HADOOP-11903:
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Updated the summary and description. Please correct if there is something wrong.
> test-patch plugin for checking file name conventions
> ----------------------------------------------------
>
> Key: HADOOP-11903
> URL: https://issues.apache.org/jira/browse/HADOOP-11903
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: yetus
> Affects Versions: HADOOP-12111
> Reporter: Allen Wittenauer
> Assignee: Kengo Seki
> Attachments: HADOOP-11903.HADOOP-12111.00.patch
>
>
> Providing yetus with the functionality to detect newly added files which
> doesn't follow the naming conventions. As for java, it also can be used for
> checking classnames. In the past, we've named things like
> DefaultResourceCalculator, DefaultContainerExecutor, and DefaultCodec that do
> nothing but cause problems down the road since they are effectively version
> and functionality locked forever. If these examples had been named what they
> truly were (e.g., MemoryResourceCalculator, SimpleContainerExecutor, and
> GZipCodec), the defaults could then be changed in the future in a compatible
> way. One way to enforce this is to prevent the creation of new classes called
> Default-anything.
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