ASF GitHub Bot commented on FLINK-4516:

Github user mxm closed the pull request at:


> ResourceManager leadership election
> -----------------------------------
>                 Key: FLINK-4516
>                 URL: https://issues.apache.org/jira/browse/FLINK-4516
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Cluster Management
>            Reporter: zhangjing
>            Assignee: zhangjing
> 1. When a resourceManager is started, it starts the leadership election 
> service first and take part in contending for leadership
> 2. Every resourceManager contains a ResourceManagerLeaderContender, when it 
> is granted leadership, it will start SlotManager and other main components. 
> when it is revoked leadership, it will stop all its components and clear 
> everything.

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