Zoltan Siegl created YARN-9545:
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Summary: Create healthcheck REST endpoint for ATSv2
Key: YARN-9545
URL: https://issues.apache.org/jira/browse/YARN-9545
Project: Hadoop YARN
Issue Type: Improvement
Components: ATSv2
Affects Versions: 3.1.2
Reporter: Zoltan Siegl
Assignee: Zoltan Siegl
RM UI2 and CM needs a health check url for ATSv2 service.
Create a /health rest endpoint
* must respond with 200 \{health: ok} if all ok
* must respond with non 200 if any problem occurs
* could check reader/writer connection
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