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https://issues.apache.org/jira/browse/FLINK-4354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15855241#comment-15855241
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ASF GitHub Bot commented on FLINK-4354:
---------------------------------------

Github user wangzhijiang999 commented on the issue:

    https://github.com/apache/flink/pull/2770
  
    @tillrohrmann , thank you for review!
    
    Actually this PR is out-of-date based on flip-6, and my following 
modifications do not update this PR. This PR should be re-submitted based on 
master and I forgot to close it.
    
    Some above suggestions have already  been fixed in the current 
implementation, and I want to merge this part in #3151 in order to be reviewed 
easily.


>  Implement TaskManager side of heartbeat from ResourceManager
> -------------------------------------------------------------
>
>                 Key: FLINK-4354
>                 URL: https://issues.apache.org/jira/browse/FLINK-4354
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Cluster Management
>            Reporter: Zhijiang Wang
>            Assignee: Zhijiang Wang
>
> The {{ResourceManager}} initiates heartbeat messages via the {{RmLeaderID}}. 
> The {{TaskManager}} transmits its slot availability with each heartbeat. That 
> way, the RM will always know about available slots.



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