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https://issues.apache.org/jira/browse/HADOOP-13502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15545288#comment-15545288
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Chris Nauroth commented on HADOOP-13502:
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I'm aware of closed-source implementations that may be using the HCFS tests.
Really this comes down to compatibility policy for the HCFS tests. I don't
think we've discussed that in the past, and there are currently no
audience/stability annotations. If we are committed to backward compatibility,
then we're better off with the approach I took in patch 001. If we are not
committed to backward compatibility for the HCFS tests, then we're free to
change anything we want and repurpose is-blobstore as a purely descriptive
flag. I have a slight preference for maintaining backward compatibility, but
would welcome other opinions.
> Rename/split fs.contract.is-blobstore flag used by contract tests.
> ------------------------------------------------------------------
>
> Key: HADOOP-13502
> URL: https://issues.apache.org/jira/browse/HADOOP-13502
> Project: Hadoop Common
> Issue Type: Improvement
> Components: test
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Minor
> Attachments: HADOOP-13502-branch-2.001.patch
>
>
> The {{fs.contract.is-blobstore}} flag guards against execution of several
> contract tests to account for known limitations with blob stores. However,
> the name is not entirely accurate, because it's still possible that a file
> system implemented against a blob store could pass those tests, depending on
> whether or not the implementation matches the semantics of HDFS. This issue
> proposes to rename the flag or split it into different flags with different
> definitions for the semantics covered by the current flag.
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