Allen Wittenauer created HADOOP-11903:
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Summary: test-patch should fail any new classes called Default-foo
Key: HADOOP-11903
URL: https://issues.apache.org/jira/browse/HADOOP-11903
Project: Hadoop Common
Issue Type: Test
Reporter: Allen Wittenauer
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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