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https://issues.apache.org/jira/browse/BOOKKEEPER-455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yixue (Andrew) Zhu updated BOOKKEEPER-455:
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    Priority: Minor  (was: Major)
    
> Bookie recovery made assumption that entries are persisted in entry id order
> ----------------------------------------------------------------------------
>
>                 Key: BOOKKEEPER-455
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-455
>             Project: Bookkeeper
>          Issue Type: Bug
>          Components: bookkeeper-server
>    Affects Versions: 4.2.0
>            Reporter: Yixue (Andrew) Zhu
>            Priority: Minor
>
> The entries sent by bookkeeper client can be out of order (due to network). 
> The client uses queue to track last-confirmed-entry-id correctly.
> The bookie server will happily persist the entries out of order, i.e. gaps 
> are possible. If bookie crash, the recovery can cause last-confirmed-entry-id 
> to be set to the last-entry persisted by bookie. The gap is not tracked nor 
> detected at server side.
>   

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