Abort RegionServer Immediately on OOME
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                 Key: HBASE-4769
                 URL: https://issues.apache.org/jira/browse/HBASE-4769
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.94.0
            Reporter: Nicolas Spiegelberg
            Assignee: Nicolas Spiegelberg


Currently, when the HRegionServer runs out of the memory, it will call master, 
which will cause more heap allocations and throw a second exception that it's 
run out of memory again. The easiest & safest way to avoid this OOME storm is 
to abort the RegionServer immediately when it hits the memory boundary.  Part 
of the 89-fb to trunk port.

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