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https://issues.apache.org/jira/browse/BOOKKEEPER-499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763991#comment-13763991
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Sijie Guo commented on BOOKKEEPER-499:
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remove it from 4.3.0 since it is not urgent.
> Message clock-vector version needs to be maintained independently with region
> vector clock
> ------------------------------------------------------------------------------------------
>
> Key: BOOKKEEPER-499
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-499
> Project: Bookkeeper
> Issue Type: Bug
> Components: hedwig-server
> Affects Versions: 4.2.0
> Reporter: Yixue (Andrew) Zhu
> Assignee: Yixue (Andrew) Zhu
> Attachments: BOOKKEEPER-499.pdf, BOOKKEEPER-499.pdf
>
>
> When message is persisted, we update region vector clock and serialize it
> into the message. The original message version (of clock-vector format) is
> lost.
> This can cause event causal relation lost, as discovered thru discussion of
> BOOKKEEPER-256.
> Will upload proposal document
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