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https://issues.apache.org/jira/browse/FLINK-23021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dawid Wysakowicz reassigned FLINK-23021:
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Assignee: Dawid Wysakowicz
> Check for illegal modifications of JobGraph with finished operators
> -------------------------------------------------------------------
>
> Key: FLINK-23021
> URL: https://issues.apache.org/jira/browse/FLINK-23021
> Project: Flink
> Issue Type: Sub-task
> Reporter: Yun Gao
> Assignee: Dawid Wysakowicz
> Priority: Major
>
> Users might modify the job topology before restart for external checkpoint
> and savepoint. To overcome this issue, we would need to check if a fully
> finished operator have been added after a non-fully-finished operator. If so,
> we would throw exception to disallow this situation or re-mark the fully
> finished operator as alive.
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