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From "Erwin Tam (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-464) Need procedure to garbage collect ledgers
Date Thu, 01 Apr 2010 20:11:27 GMT

    [ 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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