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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