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https://issues.apache.org/jira/browse/FLINK-31588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17715340#comment-17715340
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Rui Fan commented on FLINK-31588:
---------------------------------
Thanks [~pnowojski] for the review and discussion.
Merged master commit: d46d8d0f6b590f185608b23fbe8b2fcbded111de
> The unaligned checkpoint type is wrong at subtask level
> -------------------------------------------------------
>
> Key: FLINK-31588
> URL: https://issues.apache.org/jira/browse/FLINK-31588
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Rui Fan
> Assignee: Rui Fan
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2023-03-23-18-45-01-535.png
>
>
> FLINK-20488 supported show checkpoint type for each subtask, and it based on
> received `CheckpointOptions` and it's right.
> However, FLINK-27251 supported timeout aligned to unaligned checkpoint
> barrier in the output buffers. It means the received `CheckpointOptions` can
> be converted from aligned checkpoint to unaligned checkpoint.
> So, the unaligned checkpoint type may be wrong at subtask level. For example,
> as shown in the figure below, Unaligned checkpoint type is false, but it is
> actually Unaligned checkpoint (persisted data > 0).
>
> !image-2023-03-23-18-45-01-535.png|width=1879,height=797!
>
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