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https://issues.apache.org/jira/browse/FLINK-4312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15408646#comment-15408646
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Aljoscha Krettek commented on FLINK-4312:
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+1
> Remove Serializabiliy of ExecutionGraph
> ---------------------------------------
>
> Key: FLINK-4312
> URL: https://issues.apache.org/jira/browse/FLINK-4312
> Project: Flink
> Issue Type: Sub-task
> Components: JobManager
> Affects Versions: 1.1.0
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Minor
> Fix For: 1.2.0
>
>
> As a preparatory task for reworking the {{ExecutionGraph}} for finer grained
> recovery, I would clean up the serializability:
> - As long as a job is running, the ExecutionGraph cannot be serializable
> - Once it is completed, the ExecutionGraph is sent to a local archive
> actor. This does not require that the graph is serializable.
> - In the future, archived execution data should be served from a static
> dump of the execution data anyways, not from an archived graph. That allows
> us to move the web monitor server to a separate trusted process (gateway /
> dispatcher) that will never be in touch with user code.
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