Xiaogang Shi created FLINK-4400:
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Summary: Leadership Election among JobManagers
Key: FLINK-4400
URL: https://issues.apache.org/jira/browse/FLINK-4400
Project: Flink
Issue Type: Sub-task
Components: Cluster Management
Reporter: Xiaogang Shi
Assignee: Xiaogang Shi
* All JobMasters are LeaderContenders
* Once a JobMaster is initialized, the very first thing it has to do is to
start the leadership election service and contend for the leadership.
* A JobMaster starts to perform its functionality when it grants the leadership.
* If a JobMaster’s leadership is revoked, it will cancel all performed
execution and release all acquired resources.
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