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Posted to yarn-dev@hadoop.apache.org by "Vlad Rozov (JIRA)" <ji...@apache.org> on 2017/08/12 00:37:00 UTC

[jira] [Created] (YARN-7000) NMClient and NMClientAsync API is not compatible with work-preserving AM restart

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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