HDFS-6070. Cleanup use of ReadStatistics in DFSInputStream.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576047 13f79535-47bb-0310-9956-ffa450edef68
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@ -542,6 +542,8 @@ Release 2.4.0 - UNRELEASED
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HDFS-5986. Capture the number of blocks pending deletion on namenode webUI.
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HDFS-5986. Capture the number of blocks pending deletion on namenode webUI.
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(cnauroth)
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(cnauroth)
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HDFS-6070. Cleanup use of ReadStatistics in DFSInputStream. (wang)
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OPTIMIZATIONS
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OPTIMIZATIONS
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HDFS-5790. LeaseManager.findPath is very slow when many leases need recovery
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HDFS-5790. LeaseManager.findPath is very slow when many leases need recovery
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@ -659,14 +659,11 @@ private static void updateReadStatistics(ReadStatistics readStatistics,
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int nRead, BlockReader blockReader) {
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int nRead, BlockReader blockReader) {
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if (nRead <= 0) return;
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if (nRead <= 0) return;
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if (blockReader.isShortCircuit()) {
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if (blockReader.isShortCircuit()) {
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readStatistics.totalBytesRead += nRead;
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readStatistics.addShortCircuitBytes(nRead);
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readStatistics.totalLocalBytesRead += nRead;
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readStatistics.totalShortCircuitBytesRead += nRead;
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} else if (blockReader.isLocal()) {
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} else if (blockReader.isLocal()) {
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readStatistics.totalBytesRead += nRead;
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readStatistics.addLocalBytes(nRead);
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readStatistics.totalLocalBytesRead += nRead;
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} else {
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} else {
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readStatistics.totalBytesRead += nRead;
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readStatistics.addRemoteBytes(nRead);
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}
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}
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}
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}
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