Jonathan Hsieh created HBASE-7461:
-------------------------------------

             Summary: Cleanup stoppable/abortable/closeable in the online 
snapshot cases.
                 Key: HBASE-7461
                 URL: https://issues.apache.org/jira/browse/HBASE-7461
             Project: HBase
          Issue Type: Sub-task
            Reporter: Jonathan Hsieh


The RegionServer managers implement abort, close, and stop -- although the 
interfaces are similar and all their meanings are muddled.

The conventions in hbase are gernally: 
abort == passed into managers so they can trigger a suicide kill (for rs or 
hmaster)
stop == *managers for on the way to cleanup
cancel == operations that don't kill long running processes but bail out of the 
current attempt.
close == files or network resources.

This patch brings the naming into line.

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