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From "Ivan Kelly (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-822) Leader election taking a long time to complete
Date Tue, 10 Aug 2010 17:47:16 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12896980#action_12896980
] 

Ivan Kelly commented on ZOOKEEPER-822:
--------------------------------------

Could this be related?

https://issues.apache.org/jira/browse/ZOOKEEPER-785

> Leader election taking a long time  to complete
> -----------------------------------------------
>
>                 Key: ZOOKEEPER-822
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-822
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: quorum
>    Affects Versions: 3.3.0
>            Reporter: Vishal K
>            Priority: Blocker
>         Attachments: 822.tar.gz, test_zookeeper_1.log, test_zookeeper_2.log, zk_leader_election.tar.gz
>
>
> Created a 3 node cluster.
> 1 Fail the ZK leader
> 2. Let leader election finish. Restart the leader and let it join the 
> 3. Repeat 
> After a few rounds leader election takes anywhere 25- 60 seconds to finish. Note- we
didn't have any ZK clients and no new znodes were created.
> zoo.cfg is shown below:
> #Mon Jul 19 12:15:10 UTC 2010
> server.1=192.168.4.12\:2888\:3888
> server.0=192.168.4.11\:2888\:3888
> clientPort=2181
> dataDir=/var/zookeeper
> syncLimit=2
> server.2=192.168.4.13\:2888\:3888
> initLimit=5
> tickTime=2000
> I have attached logs from two nodes that took a long time to form the cluster after failing
the leader. The leader was down anyways so logs from that node shouldn't matter.
> Look for "START HERE". Logs after that point should be of our interest.

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