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Posted to issues@flink.apache.org by "刘方奇 (Jira)" <ji...@apache.org> on 2022/01/06 02:27:00 UTC

[jira] [Commented] (FLINK-25360) Add State Desc to CheckpointMetadata

    [ https://issues.apache.org/jira/browse/FLINK-25360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17469633#comment-17469633 ] 

刘方奇 commented on FLINK-25360:
-----------------------------

[~yunta] Hi, could you help to push the thread that we metioned before?

1. Could we write meta state info in savepoint meta?
2. Whether we should persist addition info such as default value, reducingFunction to persist the whole state descriptor?

> Add State Desc to CheckpointMetadata
> ------------------------------------
>
>                 Key: FLINK-25360
>                 URL: https://issues.apache.org/jira/browse/FLINK-25360
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Checkpointing, Runtime / State Backends
>            Reporter: 刘方奇
>            Priority: Major
>         Attachments: image-2021-12-17-20-01-42-423.png
>
>
> Now we can't get the State Descriptor info in the checkpoint meta. Like the case if we use state-processor-api to load state then rewrite state, we can't flexible use the state. 
> Maybe there are other cases we need the State Descriptor, so can we add this info?



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