Vlad Rozov created APEXCORE-589:
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Summary: Validate health of MiniYARNCluster in StramMiniClusterTest
Key: APEXCORE-589
URL: https://issues.apache.org/jira/browse/APEXCORE-589
Project: Apache Apex Core
Issue Type: Improvement
Reporter: Vlad Rozov
Priority: Minor
In case MiniYARNCluster is started on a node with the limited disk space (more
than 90% which is the default value for
yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage),
it will start and be in STARTED state, but NodeManager will go into UNHEALTHY
state and there will be no available NodeManagers for the Yarn mini cluster.
This leads to obscure test failures with a hard to identify reason for the
problem. It should be possible to check NM and RM health when Yarn mini cluster
starts and fails the test.
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