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https://issues.apache.org/jira/browse/FLINK-9537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger closed FLINK-9537.
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Resolution: Won't Fix
> JobManager isolation in session mode
> ------------------------------------
>
> Key: FLINK-9537
> URL: https://issues.apache.org/jira/browse/FLINK-9537
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.5.0, 1.6.0
> Reporter: Till Rohrmann
> Priority: Major
>
> Currently, all {{JobManagers}} are executed in the same process which also
> runs the {{Dispatcher}} component when using the session mode. This is
> problematic, since the {{JobManager}} also executes user code. Consequently,
> a bug in a single Flink job can cause the failure of the other
> {{JobManagers}} running in the same process. In order to avoid this we should
> add the functionality to run each {{JobManager}} in its own process.
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