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https://issues.apache.org/jira/browse/BOOKKEEPER-553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15606809#comment-15606809
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Venkateswararao Jujjuri (JV) commented on BOOKKEEPER-553:
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[~reddychara...@gmail.com] has implemented long hierarchical ledger manager and
is being used in Salesforce.
He is in the process of pushing that change to community.
> New LedgerManager for 64 Bits Ledger ID Management in ZooKeeper
> ---------------------------------------------------------------
>
> Key: BOOKKEEPER-553
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-553
> Project: Bookkeeper
> Issue Type: Sub-task
> Components: bookkeeper-server, hedwig-server
> Reporter: Jiannan Wang
> Assignee: Jiannan Wang
> Attachments: BOOKKEEPER-553.patch, BOOKKEEPER-553.patch,
> BOOKKEEPER-553.patch, BOOKKEEPER-553.patch
>
>
> Once we extend the ledger id space to 64 bits, the 2-4-4 ledger id partition
> (see HierarchicalLedgerManager) is not suitable any more. So we need a new
> LedgerManager for 64 bits ledger id management in ZooKeeper.
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