hadoop-zookeeper-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Flavio Junqueira <...@yahoo-inc.com>
Subject Re: Zookeeper leader stop and restart question
Date Mon, 01 Nov 2010 21:50:58 GMT
Hi Ruifang, It is not clear to me if you verified that leader1  
restarted correctly. Was it able to join the ensemble by following  
leader2?

-Flavio

On Nov 1, 2010, at 8:09 PM, Ruifang Ge wrote:

> Hi,
>
> I started a 5-node zookeeper cluster, then killed the leader  
> (leader1).  One of the other server became the new leader(leader2).   
> After that, I restarted the former leader (leader1), and it failed  
> to be connected from zkCli.  Does anyone have some idea about this?
>
> Leader1:
>
> 2010-10-30 07:34:08,546 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer: 
> 620 - LOOKING
> 2010-10-30 07:34:08,547 [QuorumPeer:/0.0.0.0:5001]  INFO  
> FastLeaderElection:649 - New election. My id =  4, Proposed zxid = 0
> 2010-10-30 07:34:08,550 [QuorumPeer:/0.0.0.0:5001]  INFO  
> FastLeaderElection:689 - Notification: 3, 0, 1, 4, LOOKING, LOOKING, 3
> 2010-10-30 07:34:08,551 [QuorumPeer:/0.0.0.0:5001]  INFO  
> FastLeaderElection:689 - Notification: 4, 0, 1, 4, LOOKING, LOOKING, 4
> 2010-10-30 07:34:08,552 [QuorumPeer:/0.0.0.0:5001]  INFO  
> FastLeaderElection:689 - Notification: 2, 0, 1, 4, LOOKING, LOOKING, 2
> 2010-10-30 07:34:08,553 [QuorumPeer:/0.0.0.0:5001]  INFO  
> FastLeaderElection:689 - Notification: 3, 0, 1, 4, LOOKING, LOOKING, 2
> 2010-10-30 07:34:08,553 [QuorumPeer:/0.0.0.0:5001]  INFO  
> FastLeaderElection:689 - Notification: 4, 0, 1, 4, LOOKING, LOOKING, 3
> 2010-10-30 07:34:08,554 [QuorumPeer:/0.0.0.0:5001]  INFO  
> FastLeaderElection:689 - Notification: 4, 0, 1, 4, LOOKING, LOOKING, 2
> 2010-10-30 07:34:08,805 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer: 
> 654 - LEADING
>
> ... kill it, restart it ...
>
> 2010-10-30 08:01:29,868 [main]  INFO QuorumPeerConfig:90 - Reading  
> configuration from: /var/ zoo.cfg
> 2010-10-30 08:01:29,876 [main]  INFO QuorumPeerConfig:287 -  
> Defaulting to majority quorums
> ...
> 2010-10-30 08:01:30,101 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer: 
> 620 - LOOKING
> 2010-10-30 08:01:30,120 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer: 
> 654 - LEADING (chosen as leader again)
>
> Leader2:
>
> 2010-10-30 07:34:08,531 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer: 
> 620 - LOOKING
> 2010-10-30 07:34:08,550 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer: 
> 642 - FOLLOWING
> 2010-10-30 07:58:58,064 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer: 
> 620 - LOOKING
> 2010-10-30 07:58:58,389 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer: 
> 654 - LEADING (becomes the new leader)
>
> Thanks,
> Ruifang
>
>
>
>
>
>

flavio
junqueira

research scientist

fpj@yahoo-inc.com
direct +34 93-183-8828

avinguda diagonal 177, 8th floor, barcelona, 08018, es
phone (408) 349 3300    fax (408) 349 3301




Mime
View raw message