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Posted to dev@bookkeeper.apache.org by "Sijie Guo (JIRA)" <ji...@apache.org> on 2013/09/11 06:52:00 UTC

[jira] [Commented] (BOOKKEEPER-499) Message clock-vector version needs to be maintained independently with region vector clock

    [ https://issues.apache.org/jira/browse/BOOKKEEPER-499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763991#comment-13763991 ] 

Sijie Guo commented on BOOKKEEPER-499:
--------------------------------------

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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