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From "Stefan Richter (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-4156) Job with -m yarn-cluster registers TaskManagers to another running Yarn session
Date Wed, 06 Jul 2016 08:38:11 GMT
Stefan Richter created FLINK-4156:
-------------------------------------

             Summary: Job with -m yarn-cluster registers TaskManagers to another running Yarn
session
                 Key: FLINK-4156
                 URL: https://issues.apache.org/jira/browse/FLINK-4156
             Project: Flink
          Issue Type: Bug
          Components: Distributed Coordination
            Reporter: Stefan Richter


When a job is started using cluster mode (-m yarn-cluster) and a Yarn session is running on
the same cluster, the job accidentally registers it's worker tasks with the  ongoing Yarn
session. This happens because the same Zookeeper namespace is used. 

We should consider isolating Flink applications from another by using UUIDS, e.g. based on
their application ids, in their Zookeeper paths.



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