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https://issues.apache.org/jira/browse/FLINK-25492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuan Mei reassigned FLINK-25492:
--------------------------------
Assignee: Hangxiang Yu
> Changelog with InMemoryStateChangelogStorage cannot work well
> -------------------------------------------------------------
>
> Key: FLINK-25492
> URL: https://issues.apache.org/jira/browse/FLINK-25492
> Project: Flink
> Issue Type: Bug
> Components: Runtime / State Backends
> Reporter: Hangxiang Yu
> Assignee: Hangxiang Yu
> Priority: Major
> Fix For: 1.15.0
>
> Attachments: changelog_in-memory_storage_bug.patch
>
>
> while using ChangelogStataBackend with InMemoryStateChangelogStorage, the seq
> will be increased when append a record. The materialization will materilalize
> the record into delegated state backend. But after the materialization
> finished, the persist method still puts the record into
> InMemoryChangelogStateHandle which is incorrect.
> Just as the patch shows, ChangelogDelegateHashMapInMemoryTest will fail
> because when restore, the medata cannot be found and the record that should't
> be there is restored firstly.
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