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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-87) Follower does not shut itself down if its too far behind the leader.
Date Thu, 26 Sep 2013 08:33:13 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-87?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13778574#comment-13778574
] 

Hadoop QA commented on ZOOKEEPER-87:
------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12605207/ZOOKEEPER-87.patch
  against trunk revision 1526337.

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

    +1 tests included.  The patch appears to include 10 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 (version 1.3.9) 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: https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1600//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1600//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1600//console

This message is automatically generated.
                
> Follower does not shut itself down if its too far behind the leader.
> --------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-87
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-87
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: quorum
>    Affects Versions: 3.5.0, 3.4.5
>            Reporter: Mahadev konar
>            Assignee: Germán Blanco
>            Priority: Critical
>              Labels: patch
>             Fix For: 3.5.0, 3.4.6
>
>         Attachments: ZOOKEEPER-87_3.4.patch, ZOOKEEPER-87_3.4.patch, ZOOKEEPER-87.patch,
ZOOKEEPER-87.patch
>
>
> Currently, the follower if lagging behind keeps sending pings to the leader it will stay
alive and will keep getting further and further behind the leader. The follower should shut
itself down if it is not able to keep up to the leader within some limit so that gurantee
of updates can be made to the clients connected to different servers.

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