[hbase] Master should allocate regions to the regionserver hosting the region
data where possible
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Key: HADOOP-2138
URL: https://issues.apache.org/jira/browse/HADOOP-2138
Project: Hadoop
Issue Type: Improvement
Components: contrib/hbase
Reporter: stack
Priority: Minor
Currently, regions are assigned regionservers based off a basic loading
attribute. A factor to include in the assignment calcuation is the location of
the region in hdfs; i.e. servers hosting region replicas. If the cluster is
such that regionservers are being run on the same nodes as those running hdfs,
then ideally the regionserver for a particular region should be running on the
same server as hosts a region replica.
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