HDFS-14105. Replace TreeSet in NamenodeFsck with HashSet. Contributed by Beluga Behr.
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@ -30,10 +30,11 @@
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import java.util.Collection;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeSet;
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import java.util.Set;
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import java.util.concurrent.ThreadLocalRandom;
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import org.apache.commons.io.IOUtils;
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@ -1021,10 +1022,10 @@ private void copyBlocksToLostFound(String parent, HdfsFileStatus file,
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* around.
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*/
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private void copyBlock(final DFSClient dfs, LocatedBlock lblock,
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OutputStream fos) throws Exception {
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OutputStream fos) throws Exception {
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int failures = 0;
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InetSocketAddress targetAddr = null;
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TreeSet<DatanodeInfo> deadNodes = new TreeSet<DatanodeInfo>();
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Set<DatanodeInfo> deadNodes = new HashSet<DatanodeInfo>();
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BlockReader blockReader = null;
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ExtendedBlock block = lblock.getBlock();
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@ -1132,9 +1133,8 @@ public DataEncryptionKey newDataEncryptionKey() throws IOException {
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* That's the local one, if available.
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*/
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private DatanodeInfo bestNode(DFSClient dfs, DatanodeInfo[] nodes,
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TreeSet<DatanodeInfo> deadNodes) throws IOException {
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if ((nodes == null) ||
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(nodes.length - deadNodes.size() < 1)) {
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Set<DatanodeInfo> deadNodes) throws IOException {
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if ((nodes == null) || (nodes.length - deadNodes.size() < 1)) {
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throw new IOException("No live nodes contain current block");
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}
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DatanodeInfo chosenNode;
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