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https://issues.apache.org/jira/browse/FLINK-4364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhijiang closed FLINK-4364.
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> Implement heartbeat logic between TaskManager and JobManager
> ------------------------------------------------------------
>
> Key: FLINK-4364
> URL: https://issues.apache.org/jira/browse/FLINK-4364
> Project: Flink
> Issue Type: Sub-task
> Components: Cluster Management
> 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 {{JobManager}} side, it would trigger monitoring the {{HeartbeatTarget}}
> when receive registration from {{TaskManager}}, 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 {{JobManager}} should remove the internal registered
> {{TaskManager}}.
> For {{TaskManger}} side, it would trigger monitoring the {{HeartbeatTarget}}
> when receive registration acknowledgement from {{JobManager}}. An it will
> also be notified heartbeat timeout if not receive heartbeat request from
> {{JobManager}} within duration time.
> The current implementation will not interact payloads via heartbeat, and it
> can be added if needed future.
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