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https://issues.apache.org/jira/browse/HADOOP-11903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kengo Seki updated HADOOP-11903:
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Summary: test-patch plugin for checking file name conventions (was:
test-patch should fail any new classes called Default-foo)
> 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
>
>
> 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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