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Posted to issues@flink.apache.org by "Rui Fan (Jira)" <ji...@apache.org> on 2023/03/23 10:46:00 UTC

[jira] [Created] (FLINK-31588) The unaligned checkpoint type is wrong at subtask level

Rui Fan created FLINK-31588:
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             Summary: 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: 1.17.0, 1.16.0
            Reporter: Rui Fan
            Assignee: Rui Fan
         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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