Improve region selection from overloaded servers
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Key: HBASE-5219
URL: https://issues.apache.org/jira/browse/HBASE-5219
Project: HBase
Issue Type: Sub-task
Reporter: Zhihong Yu
As Jinchao pointed out in HBASE-3724, the current region selection method still
tends to move many hot regions onto a new server joining the cluster.
This JIRA improves the selection to avoid such scenario.
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