HDFS-14799. Do Not Call Map containsKey In Conjunction with get. Contributed by hemanthboyina.
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/InvalidateBlocks.java
Normal file → Executable file
10
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/InvalidateBlocks.java
Normal file → Executable file
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@ -112,17 +112,11 @@ class InvalidateBlocks {
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}
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private LightWeightHashSet<Block> getBlocksSet(final DatanodeInfo dn) {
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if (nodeToBlocks.containsKey(dn)) {
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return nodeToBlocks.get(dn);
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}
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return null;
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return nodeToBlocks.get(dn);
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}
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private LightWeightHashSet<Block> getECBlocksSet(final DatanodeInfo dn) {
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if (nodeToECBlocks.containsKey(dn)) {
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return nodeToECBlocks.get(dn);
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}
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return null;
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return nodeToECBlocks.get(dn);
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}
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private LightWeightHashSet<Block> getBlocksSet(final DatanodeInfo dn,
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