Stop daughter regions both being assigned same server
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Key: HBASE-2802
URL: https://issues.apache.org/jira/browse/HBASE-2802
Project: HBase
Issue Type: Improvement
Reporter: stack
Fix For: 0.20.6, 0.21.0
Attachments: moz.txt
On split, usually the two daughter regions end up on assignment list at same
time. Dependent on cluster state and what balancer says, when a server checks
in, we'll assign at least two regions in the one go so daughters then end up on
same server. This patch makes it so we don't assign contiguous regions in the
one assignment.
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