Vlad Rozov created YARN-7000:
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Summary: NMClient and NMClientAsync API is not compatible with
work-preserving AM restart
Key: YARN-7000
URL: https://issues.apache.org/jira/browse/YARN-7000
Project: Hadoop YARN
Issue Type: Bug
Reporter: Vlad Rozov
NMClient and NMClientAsync assume start()/stop() sequence. In case AM is
restarted with {{KeepContainersAcrossApplicationAttempts}} set to {{true}},
that assumption is wrong as some containers may be started by a previous app
attempt.
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