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https://issues.apache.org/jira/browse/FLINK-21133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17285118#comment-17285118
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Stephan Ewen commented on FLINK-21133:
--------------------------------------

Alternatively, we could also have one EndOfPartition event, with a flag to 
indicate whether this signals "end of data". But we still need to handle the 
cases where only a subsets of input signal "end of data" and some inputs only 
signal "end of partition".

> FLIP-27 Source does not work with synchronous savepoint
> -------------------------------------------------------
>
>                 Key: FLINK-21133
>                 URL: https://issues.apache.org/jira/browse/FLINK-21133
>             Project: Flink
>          Issue Type: Bug
>          Components: API / Core, API / DataStream, Runtime / Checkpointing
>    Affects Versions: 1.11.3, 1.12.1
>            Reporter: Kezhu Wang
>            Priority: Critical
>             Fix For: 1.11.4, 1.13.0, 1.12.3
>
>
> I have pushed branch 
> [synchronous-savepoint-conflict-with-bounded-end-input-case|https://github.com/kezhuw/flink/commits/synchronous-savepoint-conflict-with-bounded-end-input-case]
>  in my repository. {{SavepointITCase.testStopSavepointWithFlip27Source}} 
> failed due to timeout.
> See also FLINK-21132 and 
> [apache/iceberg#2033|https://github.com/apache/iceberg/issues/2033]..



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