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https://issues.apache.org/jira/browse/ZOOKEEPER-464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853547#action_12853547
 ] 

Hadoop QA commented on ZOOKEEPER-464:
-------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12440653/ZOOKEEPER-464.patch
  against trunk revision 929564.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: 
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/47/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/47/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/47/console

This message is automatically generated.

> 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, 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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