Steve Loughran created YARN-4264:
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Summary: In-VM test ATS instances fail with metrics already
registered
Key: YARN-4264
URL: https://issues.apache.org/jira/browse/YARN-4264
Project: Hadoop YARN
Issue Type: Bug
Components: timelineserver
Affects Versions: 2.8.0
Reporter: Steve Loughran
Testing my SPARK-1537 code against branch-2 triggers stack traces due to failed
attempts to re-register metrics. This is with code which works against 2.7.1,
so it's a regression.
Either the timeline server needs to unregister its metrics on shutdown, or ATS
adds an option to disable metrics for test purposes.
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