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Posted to commits@cassandra.apache.org by "Arya Goudarzi (JIRA)" <ji...@apache.org> on 2010/07/30 01:21:17 UTC
[jira] Updated: (CASSANDRA-1341) Duplicate nodes showing on the
ring when starting 3 nodes on empty cluster
[ https://issues.apache.org/jira/browse/CASSANDRA-1341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arya Goudarzi updated CASSANDRA-1341:
-------------------------------------
Component/s: Core
> Duplicate nodes showing on the ring when starting 3 nodes on empty cluster
> --------------------------------------------------------------------------
>
> Key: CASSANDRA-1341
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1341
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7 beta 1
> Environment: CentOS 5.2
> Trunk
> Reporter: Arya Goudarzi
>
> When bringing a cluster of 3 nodes up, if user does not boot up the nodes serially and wait for bootstrap to finish on each before restarting the next one, the cluster may end of having duplication nodes showing on the ring.
> Steps to Reproduce:
> 1. Configure a cluster of 3 from clean slate of trunc;
> 2. Start the first node;
> 3. Start the second node;
> 4. As soon as the second node starts ans says Finished Hinted Handoff to node 1, start node 3;
> 5. Load the schema from YAML using JMX or use Thrift to define some schema so that we could use nodetool (CASSANDRA-1286)
> I ended up with a strange ring configuration:
> [agoudarzi@cas-test1 ~]$ nodetool --host=10.50.26.132 ring
> Address Status State Load Token
> 162149197822681929203296559575110871861
> 10.50.26.133 Up Normal 41.61 KB 34543310227330005404531081788197792565
> 10.50.26.132 Up Normal 41.61 KB 77078606092447313337452907717168818997
> 10.50.26.132 Up Normal 41.61 KB 162149197822681929203296559575110871861
> [agoudarzi@cas-test1 ~]$ nodetool --host=10.50.26.133 ring
> Address Status State Load Token
> 162149197822681929203296559575110871861
> 10.50.26.133 Up Normal 41.61 KB 34543310227330005404531081788197792565
> 10.50.26.132 Up Normal 41.61 KB 77078606092447313337452907717168818997
> 10.50.26.132 Up Normal 41.61 KB 162149197822681929203296559575110871861
> [agoudarzi@cas-test1 ~]$ nodetool --host=10.50.26.134 ring
> Address Status State Load Token
> 162149197822681929203296559575110871861
> 10.50.26.133 Up Normal 41.61 KB 34543310227330005404531081788197792565
> 10.50.26.132 Up Normal 41.61 KB 77078606092447313337452907717168818997
> 10.50.26.132 Up Normal 41.61 KB 162149197822681929203296559575110871861
> In my case
> 10.50.26.132 = node 1
> 10.50.26.133 = node 2
> 10.50.26.134 = node 3
> As you see node2 is repeated Twice. Node 3 is running however does not show up in the ring!
> Now, if in step 4 if I wait for bootstrap of node 2 to kick in and finish, I won't have this problem.
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