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https://issues.apache.org/jira/browse/BOOKKEEPER-742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Kelly updated BOOKKEEPER-742:
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Attachment: 0001-Fix-for-empty-ledgers-using-quorum.trunk.patch
0003-Fix-for-empty-ledgers-using-quorum.branch4.2.patch
> Fix for empty ledgers losing quorum.
> ------------------------------------
>
> Key: BOOKKEEPER-742
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-742
> Project: Bookkeeper
> Issue Type: Bug
> Components: bookkeeper-auto-recovery
> Reporter: Ivan Kelly
> Assignee: Ivan Kelly
> Fix For: 4.3.0, 4.2.3
>
> Attachments: 0001-Fix-for-empty-ledgers-using-quorum.trunk.patch,
> 0003-Fix-for-empty-ledgers-using-quorum.branch4.2.patch
>
>
> If a ledger is open and empty, when a bookie in the ensemble crashes no
> recovery will take place (because there's nothing to recover). This open
> empty unrepaired ledger can persist for a long time. If it loses another
> bookie, it can lose quorum. At this point it's impossible for the bookie to
> know that its an empty ledger, and the admin gets notified of missing data.
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