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https://issues.apache.org/jira/browse/BOOKKEEPER-237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13277601#comment-13277601
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Rakesh R commented on BOOKKEEPER-237:
-------------------------------------
@Flavio @Ivan
+Handle multiple crashes:+
Soln-1: Each bookie will be looking to all and will act if my peer failed otw
ignore, here it will have herd effect(everyone receives a notification).
Soln-2: Central node will see the failures and notify the peer bookie.
I feel Soln-2 is better and is used in 'Auto Recovery Detection - distributed
chain approach.doc'
> 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-client, bookkeeper-server
> Affects Versions: 4.0.0
> Reporter: Rakesh R
> Assignee: Rakesh R
> Attachments: Auto Recovery Detection - distributed chain
> approach.doc, Auto Recovery and Bookie sync-ups.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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