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https://issues.apache.org/jira/browse/HBASE-6298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13404717#comment-13404717
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rajeshbabu commented on HBASE-6298:
-----------------------------------
Skipping load balancing because "hbase.master.loadbalance.bytable" property
set to true (true by default) when we set it to true, balancer calls balance
table wise(only table regions and corresponding servers considered for
balance). Some times even we start new region server also no use in these
scenarios. if you configure "hbase.master.loadbalance.bytable" to false load
will be balanced on all servers.
Hope I am clear.
> 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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