[jira] [Commented] (FLINK-21448) Test Changelog State backend (Wrapper)

["Yuan Mei (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-21448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17366499#comment-17366499 ] 

Yuan Mei commented on FLINK-21448:
----------------------------------

[~zhangyy91]

> Test Changelog State backend (Wrapper)
> --------------------------------------
>
>                 Key: FLINK-21448
>                 URL: https://issues.apache.org/jira/browse/FLINK-21448
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / State Backends
>            Reporter: Yuan Mei
>            Priority: Major
>              Labels: auto-unassigned, pull-request-available
>
> This is a follow-up ticket for FLINK-21354
> ChangelogStatebackend is a wrapper on top of the existing state backends. It is necessary to test/enable it by default.
> However, after ChangelogStatebackend is moved to a different module, it is impossible to enable it by default for all tests due to dependency. However, we do think test coverage for ChangelogStateBackend is valuable in ITTests & End-2-end Tests.
> This ticket is to address this problem.



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