TisonKun opened a new pull request #9514: [FLINK-13573][coordination] Merge 
SubmittedJobGraph into JobGraph
URL: https://github.com/apache/flink/pull/9514
 
 
   ## What is the purpose of the change
   
   As time goes on, `SubmittedJobGraph` becomes a thin wrapper of `JobGraph` 
without any additional information. It is reasonable that we merge 
`SubmittedJobGraph` into `JobGraph` and use only `JobGraph`.
   
   
   ## Brief change log
   
   Remove `SubmittedJobGraph` and its usages.
   
   Also rename "SubmittedJobGraph" pattern to "JobGraph".
   
   
   ## Verifying this change
   
   This change is a trivial rework / code cleanup and should be covered by 
existing test.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes, we now use a different 
class for persist job graph. However, this is ok as discussed in 
[FLINK-13573](https://issues.apache.org/jira/browse/FLINK-13573))
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
     - If yes, how is the feature documented? (not applicable)
   
   cc @tillrohrmann 
   

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