Lars Hofhansl created HBASE-21033:
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             Summary: Separate StoreHeap from StoreFileHeap
                 Key: HBASE-21033
                 URL: https://issues.apache.org/jira/browse/HBASE-21033
             Project: HBase
          Issue Type: Improvement
            Reporter: Lars Hofhansl


Currently KeyValueHeap is used for both, heaps of StoreScanners at the Region 
level as well as heaps of StoreFileScanners (and a MemstoreScanner) at the 
Store level.

This is various problems:
 # Some incorrect method usage can only be deduced at runtime via runtime 
exception.
 # In profiling sessions it's hard to distinguish the two.
 # It's just not clean :)

 



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