StringBuilder -> StringBuilder unnecessary references
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Key: HADOOP-6471
URL: https://issues.apache.org/jira/browse/HADOOP-6471
Project: Hadoop Common
Issue Type: Bug
Reporter: Kay Kay
Fix For: 0.20.2
Across hadoop-common codebase, a good number of StringBuffer-s being used are
actually candidates for StringBuilders , since the reference does not escape
the scope of the method and no concurrency is needed.
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