FSNamesystem.blockReportProcessed(DatanodeRegistration) should re-use the
DatanodeDescriptor obtained in FSNamesystem.gotHeartbeat(...)
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Key: HADOOP-3260
URL: https://issues.apache.org/jira/browse/HADOOP-3260
Project: Hadoop Core
Issue Type: Improvement
Components: dfs
Reporter: Tsz Wo (Nicholas), SZE
Instead of searching for the DatanodeDescriptor in
FSNamesystem.blockReportProcessed(DatanodeRegistration), it should re-use the
descriptor obtained in FSNamesystem.gotHeartbeat(...).
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