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https://issues.apache.org/jira/browse/FLINK-5799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15867126#comment-15867126
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Zhijiang Wang commented on FLINK-5799:
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This fix is useful and the {{HeartbeatManagerSenderImpl}} can get benefit from
it. After this is done, it is better for {{HeartbeatManagerSenderImpl}} to use
the RpcService.scheduleRunnable to schedule heartbeat by interval time.
> Let RpcService.scheduleRunnable return ScheduledFuture
> ------------------------------------------------------
>
> Key: FLINK-5799
> URL: https://issues.apache.org/jira/browse/FLINK-5799
> Project: Flink
> Issue Type: Sub-task
> Components: Distributed Coordination
> Affects Versions: 1.3.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Minor
> Fix For: 1.3.0
>
>
> Currently, the method {{RpcService.scheduleRunnable}} does not return a
> control instance for the scheduled runnable. I think it would be good to
> return a {{ScheduledFuture}} with which one can cancel the scheduled runnable
> after it has been scheduled, e.g. a timeout registration which became
> obsolete. This API is also more in line with the {{ScheduledExecutorService}}
> where one also receives a {{ScheduledFuture}} after scheduling a runnable.
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