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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2012/06/30 23:27:44 UTC
[jira] [Commented] (HBASE-6298) Region balancer not balancing
[ https://issues.apache.org/jira/browse/HBASE-6298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13404630#comment-13404630 ]
stack commented on HBASE-6298:
------------------------------
Was the problem evident before the master restart Dave? Its plain that the new master joining cluser is getting wonky picture of cluster state:
{code}
2012-06-30 14:11:46,326 - INFO [IPC Server handler 4 on 7050:DefaultLoadBalancer@248] - Skipping load balancing because balanced cluster; servers=29 regions=1 average=0.03448276 mostloaded=1 leastloaded=0
{code}
> Region balancer not balancing
> -----------------------------
>
> Key: HBASE-6298
> URL: https://issues.apache.org/jira/browse/HBASE-6298
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 0.94.0
> Reporter: Dave Revell
> Attachments: master_startup.log
>
>
> Despite regions being unbalanced, the load balancer takes no action. On my cluster the least-loaded regionserver has 33 regions and the most-loaded regionserver has 44 regions. My cluster has 1084 regions and 29 servers. It might be relevant that a 30th server used to belong to the cluster but was removed.
> The master log has some strange entries when the balancer runs. The attached log file was generated by restarting the master, then running "balancer" in the shell.
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