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Posted to issues@flink.apache.org by "Yun Gao (Jira)" <ji...@apache.org> on 2022/12/15 08:55:00 UTC

[jira] [Commented] (FLINK-30403) The reported latest completed checkpoint is discarded

    [ https://issues.apache.org/jira/browse/FLINK-30403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17647937#comment-17647937 ] 

Yun Gao commented on FLINK-30403:
---------------------------------

Hi [~tisonet] , it looks to me we have to keep the current order since _addCompletedCheckpointToStoreAndSubsumeOldest_ still be __ possible get failed, in this case the method will throw exception and _reportCompletedCheckpoint_ will be skipped. 

Also it looks to me there seems no explicit issues caused by this window? 

> The reported latest completed checkpoint is discarded
> -----------------------------------------------------
>
>                 Key: FLINK-30403
>                 URL: https://issues.apache.org/jira/browse/FLINK-30403
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Checkpointing
>    Affects Versions: 1.16.0
>            Reporter: Zdenek Tison
>            Priority: Major
>
> There is a small window where the reported latest completed checkpoint can be marked as discarded while the new checkpoint wasn't reported yet. 
> The reason is that the function _addCompletedCheckpointToStoreAndSubsumeOldest_  is called before _reportCompletedCheckpoint_ in _CheckpointCoordinator._
>  
>  



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