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https://issues.apache.org/jira/browse/FLINK-20095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17230123#comment-17230123
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Till Rohrmann commented on FLINK-20095:
---------------------------------------
Potential fix for the problem.
> SchedulerBase.stopWithSavepoint schedules operation after ExecutionGraph
> terminates
> -----------------------------------------------------------------------------------
>
> Key: FLINK-20095
> URL: https://issues.apache.org/jira/browse/FLINK-20095
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.12.0
> Reporter: Till Rohrmann
> Priority: Major
> Fix For: 1.13.0
>
>
> While looking into FLINK-20065, we realized that we cannot implement the
> change described in FLINK-20094 because the {{SchedulerBase}} schedules an
> asynchronous operation after the termination of the {{ExecutionGraph}}. This
> asynchronous operation needs to complete before the savepoint path is
> returned.
> In order to solve FLINK-20094, we either need to keep track of these
> operations and suspend the {{SchedulerBase}} termination until all operations
> have completed or we might be to return the savepoint path without depending
> it on the completion of the {{handleAsync}} here:
> https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/SchedulerBase.java#L921.
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