[jira] [Created] (HBASE-12112) Avoid KeyValueUtil#ensureKeyValue some more simple cases

["Anoop Sam John (JIRA)" <ji...@apache.org>]

Anoop Sam John created HBASE-12112:
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             Summary: Avoid KeyValueUtil#ensureKeyValue some more simple cases
                 Key: HBASE-12112
                 URL: https://issues.apache.org/jira/browse/HBASE-12112
             Project: HBase
          Issue Type: Sub-task
            Reporter: Anoop Sam John
            Assignee: Anoop Sam John
             Fix For: 2.0.0, 0.99.1


This include fixes with
- Replace KeyValue#heapSize() with CellUtil#estimatedHeapSizeOf(Cell)
- Printing the key portion of a cell (rk+cf+q+ts+type). These are in Exception messages
- HFilePrettyPrinter - Avoiding ensureKeyValue() calls and calls to cell#getxxx() which involves bytes copying. This is not a hot area still we can avoid as much usage of deprecated methods as possible in core code. I believe these bytes copying methods are used in many other parts and later we can try fixing those as per area importance
- Creating CellUtil#createKeyOnlyCell and using that in KeyOnlyFilter




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