[jira] [Resolved] (FLINK-4156) Job with -m yarn-cluster registers TaskManagers to another running Yarn session

["Maximilian Michels (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-4156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maximilian Michels resolved FLINK-4156.
---------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.1.0

Should be resolved with FLINK-4166.

> 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, YARN Client
>            Reporter: Stefan Richter
>             Fix For: 1.1.0
>
>
> 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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