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https://issues.apache.org/jira/browse/FLINK-17816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17115530#comment-17115530
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Stephan Ewen commented on FLINK-17816:
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Thanks for the proposal.
I am working on FLINK-17904 as part of another feature. With that in place, I
think it is simpler to just switch the method call.
> Change Latency Marker to work with "scheduleAtFixedDelay" instead of
> "scheduleAtFixedRate"
> ------------------------------------------------------------------------------------------
>
> Key: FLINK-17816
> URL: https://issues.apache.org/jira/browse/FLINK-17816
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Task
> Reporter: Stephan Ewen
> Priority: Major
>
> Latency Markers and other periodic timers are scheduled with
> {{scheduleAtFixedRate}}. That means every X time the callable is called. If
> it blocks (backpressure) is can be called immediately again.
> I would suggest to switch this to {{scheduleAtFixedDelay}} to avoid calling
> for a lot of latency marker injections when there is no way to actually
> execute the injection call.
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