[jira] [Assigned] (FLINK-10505) Treat fail signal as scheduling event

["Till Rohrmann (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-10505?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann reassigned FLINK-10505:
-------------------------------------

    Assignee:     (was: vinoyang)

> Treat fail signal as scheduling event
> -------------------------------------
>
>                 Key: FLINK-10505
>                 URL: https://issues.apache.org/jira/browse/FLINK-10505
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Coordination
>    Affects Versions: 1.7.0
>            Reporter: Till Rohrmann
>            Priority: Major
>
> Instead of simply calling into the {{RestartStrategy}} which restarts the existing {{ExecutionGraph}} with the same parallelism, the {{ExecutionGraphDriver}} should treat a recovery similar to the initial scheduling operation. First, one needs to decide on the new parallelism of the {{ExecutionGraph}} (scale up/scale down) wrt to the available set of resources. Only if the minimum configuration is fulfilled, the potentially rescaled {{ExecutionGraph}} will be restarted.



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