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Posted to yarn-issues@hadoop.apache.org by "Li Lu (JIRA)" <ji...@apache.org> on 2015/03/04 00:42:05 UTC

[jira] [Created] (YARN-3292) [Umbrella] Tests and/or tools for YARN backwards compatibility verification

Li Lu created YARN-3292:
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             Summary: [Umbrella] Tests and/or tools for YARN backwards compatibility verification
                 Key: YARN-3292
                 URL: https://issues.apache.org/jira/browse/YARN-3292
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Li Lu
            Assignee: Li Lu


YARN-666 added the support to YARN rolling upgrade. In order to support this feature, we made changes from many perspectives. There were many assumptions made together with these existing changes. Future code changes may break these assumptions by accident, and hence break the YARN rolling upgrades feature. 

To simplify YARN RU regression tests, maybe we would like to create a set of tools/tests that can verify YARN RU backward compatibility. 

On the very first step, we may want to have a compatibility checker for important protocols and APIs. We may also want to incorporate these tools into our test Jenkins runs, if necessary. 



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