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Date: Fri, 9 Jun 2017 06:38:18 +0000 (UTC)
From: "JiangJiafu (JIRA)" <jira@apache.org>
To: dev@zookeeper.apache.org
Message-ID: <JIRA.13077546.1496723997000.36452.1496990298596@Atlassian.JIRA>
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Subject: [jira] [Commented] (ZOOKEEPER-2800) zookeeper ephemeral node not
 deleted after server restart and consistency is not hold
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archived-at: Fri, 09 Jun 2017 06:38:26 -0000


    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044030#comment-16044030 ] 

JiangJiafu commented on ZOOKEEPER-2800:
---------------------------------------

I have a quick look to the 2355, I am not pretty sure these are the same PR.
But from the log I can see that zk1(the problem node) do lost connection to the leader while wring data, and then many transcations are lost too(including the closeSession transcation).

> zookeeper ephemeral node not deleted after server restart and consistency is not hold
> -------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2800
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2800
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: quorum
>    Affects Versions: 3.4.11
>         Environment: Centos6.5 java8
>            Reporter: JiangJiafu
>            Priority: Critical
>         Attachments: zoo.cfg, zookeeper2.out, zookeeper3.out, zookeeper.out
>
>
> I deploy a cluster of ZooKeeper with three nodes:
> ofs_zk1:30.0.0.72
> ofs_zk2:30.0.0.73
> ofs_zk3:30.0.0.99
> On 2017-06-02, use the c zk client to create some ephemeral sequential nodes,:
> /adm_election/rolemgr/rolemgr0000000008,
> /adm_election/rolemgr/rolemgr0000000011,
> /adm_election/rolemgr/rolemgr0000000012,
> with sesstion timeout 20000 ms.
> Then  I restart ofs_zk1 and ofs_zk2.
> On 2017-06-05, I found that, these ephemeral  nodes still exist on ofs_zk1.
> I can check the nodes by zkCli.sh get command on ofs_zk1.
> But these nodes doesn't not exist on ofs_zk2 and ofs_zk3.
> Is it odd?
> I have upload the whole deploy directory of three nodes to:
> https://pan.baidu.com/s/1miohiCo ,
> The log is printed in log/zookeeper.out
> log of ofs_zk3 is too large, so I only show the head 1000 lines.
> Since I find this PR a little late, some snapshot and log may be deleted.
> I hope anyone can help find the reason.


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