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From "Erwin Tam (JIRA)" <j...@apache.org>
Subject [jira] Updated: (ZOOKEEPER-464) Need procedure to garbage collect ledgers
Date Mon, 26 Apr 2010 21:23:32 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Erwin Tam updated ZOOKEEPER-464:
--------------------------------

    Status: Patch Available  (was: Open)

Uploaded a new patch with the formatting changes.  Note that the generated pdf's previously
already had the issue with a line going beyond the paper margin.  I modified this but let
me know if it isn't done correctly.

> 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-log.txt, ZOOKEEPER-464.patch, ZOOKEEPER-464.patch,
ZOOKEEPER-464.patch, 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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