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From "Flavio Paiva Junqueira (JIRA)" <j...@apache.org>
Subject [jira] Updated: (ZOOKEEPER-464) Need procedure to garbage collect ledgers
Date Tue, 06 Apr 2010 16:01:33 GMT

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

Flavio Paiva Junqueira updated ZOOKEEPER-464:
---------------------------------------------

    Attachment: zookeeper-464-log.txt

Hi Erwin, I still see several comments preceding new methods that we need to put in javadoc
format. A more serious issue is that LedgerDeleteTest failed for me. I'm attaching the output
log. It essentially crashed because it ran out of heap space.

> 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
>
>
> 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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