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https://issues.apache.org/jira/browse/FLINK-14942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192239#comment-17192239
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Seth Wiesman commented on FLINK-14942:
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I agree, will only merge this into 1.12.
> State Processing API: add an option to make deep copy
> -----------------------------------------------------
>
> Key: FLINK-14942
> URL: https://issues.apache.org/jira/browse/FLINK-14942
> Project: Flink
> Issue Type: Improvement
> Components: API / State Processor
> Affects Versions: 1.11.0
> Reporter: Jun Qin
> Assignee: Jun Qin
> Priority: Blocker
> Labels: pull-request-available, usability
> Fix For: 1.12.0
>
>
> Current when a new savepoint is created based on a source savepoint, then
> there are references in the new savepoint to the source savepoint. Here is
> the [State Processing API
> doc|https://ci.apache.org/projects/flink/flink-docs-release-1.9/dev/libs/state_processor_api.html]
> says:
> bq. Note: When basing a new savepoint on existing state, the state processor
> api makes a shallow copy of the pointers to the existing operators. This
> means that both savepoints share state and one cannot be deleted without
> corrupting the other!
> This JIRA is to request an option to have a deep copy (instead of shallow
> copy) such that the new savepoint is self-contained.
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