[jira] [Created] (FLINK-4487) Need tools for managing the yarn-session better

[Shang Yuanchun (Jira)]

Niels Basjes created FLINK-4487:
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             Summary: Need tools for managing the yarn-session better
                 Key: FLINK-4487
                 URL: https://issues.apache.org/jira/browse/FLINK-4487
             Project: Flink
          Issue Type: Improvement
          Components: YARN Client
    Affects Versions: 1.1.0
            Reporter: Niels Basjes


There is a script yarn-session.sh which starts an empty JobManager on a Yarn cluster.
Desired improvements:
# If there is already a yarn-session running then yarn-session does not start a new one (or it kills the old one?). Note that the file with ip/port may exist yet the corresponding JobManager may have been killed in an other way.
# A script that effectively lets me stop a yarn session and cleanup the file that contains the ip/port of this yarn session and the .flink directory on HDFS.




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