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From "王一锋" <wangyif...@aspire-tech.com>
Subject Re: Re: live nodes list in ring
Date Thu, 01 Jul 2010 02:41:56 GMT
To me, this happens all in a sudden. No nodes removed nor new nodes joined

2010-07-01 







发件人: Benjamin Black 
发送时间: 2010-07-01  09:55:59 
收件人: user 
抄送: 
主题: Re: live nodes list in ring 
 
Does this happen after you have changed the ring topology, especially
adding nodes?
2010/6/30 Stephen Hamer <stephen.hamer@xobni.com>:
> When this happens to me I have to do a full cluster restart. Even doing a
> rolling restart across the cluster doesn't seem to fix them, all of the
> nodes need to be stopped at the same time. After bringing everything back up
> the ring is correct.
>
>
>
> Does anyone know how a cluster gets into this state?
>
>
>
> Stephen
>
>
>
> From: aaron morton [mailto:aaron@thelastpickle.com]
> Sent: Wednesday, June 30, 2010 1:42 PM
> To: user@cassandra.apache.org
> Cc: 'huzhonghua'; 'GongJianTao(宫建涛)'
> Subject: Re: live nodes list in ring
>
>
>
> At start up do you see log lines like this
>
>
>
> Gossiper.java (line 576) Node /192.168.34.30 is now part of the cluster
>
>
>
> Are all the nodes listed?
>
>
>
> aaron
>
> On 30 Jun 2010, at 22:50, 王一锋 wrote:
>
> Hi,
>
>
>
> In a cassandra cluster, when issueing ring command on every nodes, some can
> show all nodes in the cluster but some can only show some other nodes.
>
> All nodes share the same seed list.
>
> And even some of the nodes in the seed list have this problem.
>
> Restarting the problematic nodes won't solve it.
>
> Try closing firewalls with following commands
>
>
>
> service iptables stop
>
>
>
> Still won't work.
>
>
>
> Anyone got a clue?
>
>
>
> Thanks very much.
>
>
>
> Yifeng
>
>
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