stack created HBASE-15640:
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             Summary: L1 cache doesn't give fair warning that it is showing 
partial stats only when it hits limit
                 Key: HBASE-15640
                 URL: https://issues.apache.org/jira/browse/HBASE-15640
             Project: HBase
          Issue Type: Sub-task
          Components: BlockCache
            Reporter: stack
            Assignee: stack


I was baffled looking at L1 Cache because it was stuck at 100k blocks and only 
'loading' 3G of data according to the UI. When I looked in log, all the numbers 
looked write in the Cache summary reported in log.

Turns out our buckecache UI template will cut off calculating stats at a limit 
--which is probably what we want -- but the fact that it has done this should 
be more plain.



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