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https://issues.apache.org/jira/browse/FLINK-6120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15947464#comment-15947464
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ASF GitHub Bot commented on FLINK-6120:
---------------------------------------

GitHub user zhijiangW opened a pull request:

    https://github.com/apache/flink/pull/3645

    [FLINK-6120][Distributed Coordinator]Implement heartbeat logic between 
JobManager and ResourceManager

    It is part of work for Flip-6.
    
    The `HeartbeatManager` is mainly used for monitoring heartbeat target and 
reporting payloads.
    
    For `ResourceManager` side, it would trigger monitor the `HeartbeatTarget` 
when receive registration from `JobManager`, and schedule a task to 
`requestHeartbeat` at interval time. If not receive heartbeat response within 
duration time, the `HeartbeatListener` will notify heartbeat timeout, then the 
`ResourceManager` will remove the internal connection with `JobManager` and 
also notify the `JobManager` to close the corresponding connection via RPC.
    
    For `JobManger` side, it would trigger monitor the `HeartbeatTarget` when 
receive registration success from `ResourceManager`. It will also be notified 
heartbeat timeout if not receive heartbeat request from `ResourceManager` 
within duration time and close connection as a result.
    
    The current implementation will not interact payloads via heartbeat, and it 
can be added if needed future.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/zhijiangW/flink heartbeatJMRM

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/3645.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #3645
    
----
commit a8034dad005600f396b8ea8cd8c7101b51734da2
Author: Zhijiang <[email protected]>
Date:   2017-03-29T16:30:29Z

    [FLINK-6120][Distributed Coordinator]Implement heartbeat logic between 
JobManager and ResourceManager

----


> Implement heartbeat logic between JobManager and ResourceManager
> ----------------------------------------------------------------
>
>                 Key: FLINK-6120
>                 URL: https://issues.apache.org/jira/browse/FLINK-6120
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Coordination
>            Reporter: zhijiang
>            Assignee: zhijiang
>
> It is part of work for Flip-6.
> The HeartbeatManager is mainly used for monitoring heartbeat target and 
> reporting payloads.
> For {{ResourceManager}} side, it would trigger monitoring the 
> {{HeartbeatTarget}} when receive registration from {{JobManager}}, and 
> schedule a task to {{requestHeartbeat}} at interval time. If not receive 
> heartbeat response within duration time, the {{HeartbeatListener}} will 
> notify heartbeat timeout, then the {{ResourceManager}} should remove the 
> internal registered {{JobManager}}.
> For {{JobManager}} side, it would trigger monitoring the {{HeartbeatTarget}} 
> when receive registration acknowledgement from {{ResourceManager}}. An it 
> will also be notified heartbeat timeout if not receive heartbeat request from 
> {{ResourceManager}} within duration time.
> The current implementation will not interact payloads via heartbeat, and it 
> can be added if needed future.



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