[jira] Commented: (ZOOKEEPER-464) Need procedure to garbage collect ledgers

["Erwin Tam (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852527#action_12852527 ] 

Erwin Tam commented on ZOOKEEPER-464:
-------------------------------------

Thanks Flavio for the feedback!  I'll make the changes you suggested and will upload a new patch (without deleting the old one).  I'll bug Ben about the forrest xml documentation if I can't figure it out.

> Need procedure to garbage collect ledgers
> -----------------------------------------
>
>                 Key: ZOOKEEPER-464
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-464
>             Project: Zookeeper
>          Issue Type: New Feature
>          Components: contrib-bookkeeper
>            Reporter: Flavio Paiva Junqueira
>            Assignee: Erwin Tam
>             Fix For: 3.4.0
>
>         Attachments: ZOOKEEPER-464.patch
>
>
> An application using BookKeeper is likely to use a large number of ledgers over time. Such an application might not need all ledgers created over time and might want to delete some of these ledgers to free up some space on bookies. The idea of this jira is to implement a procedure that enables an application to garbage-collect unwanted ledgers.
> To garbage-collect a ledger, we need to delete the ledger metadata on ZooKeeper, and delete the ledger data on corresponding bookies. 

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