stack created HBASE-20785:
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             Summary: NPE getting metrics in PE testing scans
                 Key: HBASE-20785
                 URL: https://issues.apache.org/jira/browse/HBASE-20785
             Project: HBase
          Issue Type: Bug
          Components: Performance
    Affects Versions: 1.4.4
            Reporter: stack
            Assignee: stack


Comparing scans using PE. In branch-1 at least, I was getting an NPE when we 
tried to use a null metrics instance. Seems transient around startup. One-liner 
patch coming.



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