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https://issues.apache.org/jira/browse/BOOKKEEPER-237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G updated BOOKKEEPER-237:
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    Attachment: BookKeeper-Auto-Recovery-Updated-To-Latest.pdf

Latest doc 'updated to the current state' attached here as well for user 
reference.
                
> Automatic recovery of under-replicated ledgers and its entries
> --------------------------------------------------------------
>
>                 Key: BOOKKEEPER-237
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-237
>             Project: Bookkeeper
>          Issue Type: New Feature
>          Components: bookkeeper-auto-recovery
>    Affects Versions: 4.0.0
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>         Attachments: Auto Recovery and Bookie sync-ups.pdf, Auto Recovery 
> Detection - distributed chain approach.doc, 
> BookKeeper-Auto-Recovery-Updated-To-Latest.pdf
>
>
> As per the current design of BookKeeper, if one of the BookKeeper server 
> dies, there is no automatic mechanism to identify and recover the under 
> replicated ledgers and its corresponding entries. This would lead to losing 
> the successfully written entries, which will be a critical problem in 
> sensitive systems. This document is trying to describe few proposals to 
> overcome these limitations. 

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