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Posted to dev@bookkeeper.apache.org by "Rakesh R (JIRA)" <ji...@apache.org> on 2012/05/04 14:56:48 UTC
[jira] [Updated] (BOOKKEEPER-237) Automatic recovery of
under-replicated ledgers and its entries
[ https://issues.apache.org/jira/browse/BOOKKEEPER-237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rakesh R updated BOOKKEEPER-237:
--------------------------------
Attachment: Auto Recovery and Bookie sync-ups.pdf
Attached a design doc draft outlining the observations. Look forward to your comments. Hopefully, this will help in structuring the discussions going forward.
> 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 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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