[hbase] Remove deprecated APIs and change signature of another in 
HRegionInterface
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                 Key: HADOOP-1794
                 URL: https://issues.apache.org/jira/browse/HADOOP-1794
             Project: Hadoop
          Issue Type: Improvement
          Components: contrib/hbase
    Affects Versions: 0.15.0
            Reporter: Jim Kellerman
            Priority: Minor
             Fix For: 0.15.0


There are a number of deprecated APIs in HRegionInterface (the interface used 
by the client to communicate with the HRegionServer). Although none of the APIs 
are used by the current client classes or by other HBase code, we do know that 
some HBase users have subclassed both the client and HRegionServer. What we do 
not know is if their changes make use of the deprecated APIs.

In addition, we would like to make an incompatible change to 
HRegionInterface.batchUpdate in order to support HADOOP-1724. (It would return 
either an enum or boolean instead of void).

If these changes would effect you, please let us know and also give us a time 
frame when this change could be implemented. Thanks!


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