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

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12848950#action_12848950 ] 

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

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12439615/ZOOKEEPER-464.patch
  against trunk revision 925362.

    +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 generated 26 release audit warnings (more than the trunk's current 24 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/37/testReport/
Release audit warnings: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/37/artifact/trunk/patchprocess/releaseAuditDiffWarnings.txt
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/37/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/37/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
>         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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