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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/05/30 07:11:00 UTC

[jira] [Updated] (FLINK-17816) Change Latency Marker to work with "scheduleAtFixedDelay" instead of "scheduleAtFixedRate"

     [ https://issues.apache.org/jira/browse/FLINK-17816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-17816:
-----------------------------------
    Labels: pull-request-available  (was: )

> 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
>              Labels: pull-request-available
>
> 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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