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https://issues.apache.org/jira/browse/FLINK-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16643055#comment-16643055
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ASF GitHub Bot commented on FLINK-10292:
----------------------------------------

yanghua opened a new pull request #6807: [FLINK-10292] Generate JobGraph in 
StandaloneJobClusterEntrypoint only once
URL: https://github.com/apache/flink/pull/6807
 
 
   ## What is the purpose of the change
   
   *This pull request makes JobGraph in StandaloneJobClusterEntrypoint just 
been generated only once*
   
   
   ## Brief change log
   
     - *Generate JobGraph in StandaloneJobClusterEntrypoint only once*
   
   ## Verifying this change
   
   This change is already covered by existing tests, such as 
*ClassPathJobGraphRetrieverTest#testJobGraphRetrieval*.
   
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (yes / **no**)
     - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (yes / **no**)
     - The serializers: (yes / **no** / don't know)
     - The runtime per-record code paths (performance sensitive): (yes / **no** 
/ don't know)
     - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
     - The S3 file system connector: (yes / **no** / don't know)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (yes / **no**)
     - If yes, how is the feature documented? (not applicable / docs / JavaDocs 
/ **not documented**)
   

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> Generate JobGraph in StandaloneJobClusterEntrypoint only once
> -------------------------------------------------------------
>
>                 Key: FLINK-10292
>                 URL: https://issues.apache.org/jira/browse/FLINK-10292
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Coordination
>    Affects Versions: 1.6.0, 1.7.0
>            Reporter: Till Rohrmann
>            Assignee: vinoyang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.7.0, 1.6.2
>
>
> Currently the {{StandaloneJobClusterEntrypoint}} generates the {{JobGraph}} 
> from the given user code every time it starts/is restarted. This can be 
> problematic if the the {{JobGraph}} generation has side effects. Therefore, 
> it would be better to generate the {{JobGraph}} only once and store it in HA 
> storage instead from where to retrieve.



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