[jira] [Created] (FLINK-4376) implement job manager init procedure

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[jira] [Created] (FLINK-4376) implement job manager init procedure

Shang Yuanchun (Jira)
Wenlong Lyu created FLINK-4376:
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             Summary: implement job manager init procedure
                 Key: FLINK-4376
                 URL: https://issues.apache.org/jira/browse/FLINK-4376
             Project: Flink
          Issue Type: Sub-task
          Components: Cluster Management
            Reporter: Wenlong Lyu


JobManager should be created with a jobgraph and a resource manager gateway, the init procedure may be as follows:
        1. init job manager rpc service and related rpc endpoints
        2. try to elect as a leader job manager of the given job graph
        3. create the slot pool manager with the given resource manager gateway
        4. create the scheduler with the slot pool manager
        5. create/restore execution graph from the job graph
        6. start execution graph scheduling and run the job.





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