Jimmy Xiang created HBASE-5958:
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             Summary: Replace ByteString.copyFrom with new ByteString()
                 Key: HBASE-5958
                 URL: https://issues.apache.org/jira/browse/HBASE-5958
             Project: HBase
          Issue Type: Improvement
          Components: performance
    Affects Versions: 0.96.0
            Reporter: Jimmy Xiang
            Assignee: Jimmy Xiang
             Fix For: 0.96.0


ByteString.copyFrom makes a copy of a byte array in case it is changed in other 
thread.
In most case, we don't need to worry about that.  We should avoid copying the 
bytes
for performance issue.

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