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ISSUE-64. Hadoop 3.0 NN drops replicas silently. #65

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ISSUE-64. Hadoop 3.0 NN drops replicas silently. #65

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16 changes: 15 additions & 1 deletion dynamometer-infra/src/main/java/com/linkedin/dynamometer/SimulatedMultiStorageFSDataset.java
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Original file line number Diff line number Diff line change
Expand Up @@ -26,11 +26,13 @@
import java.io.OutputStream;
import java.nio.channels.ClosedChannelException;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;

import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
Expand Down Expand Up @@ -332,7 +334,19 @@ public boolean isOnTransientStorage() {
*/
private static class SimulatedBPStorage {
private long used; // in bytes
private final Map<Block, BInfo> blockMap = new HashMap<>();
private static final Comparator<Object> LONG_AND_BLOCK_COMPARATOR
= new Comparator<Object>() {

@Override
public int compare(Object o1, Object o2) {
long lookup = ((Block) o1).getBlockId();
long stored = ((Block) o2).getBlockId();
return Long.compare(lookup, stored);
}
};

private final Map<Block, BInfo> blockMap =
new TreeMap<>(LONG_AND_BLOCK_COMPARATOR);

long getUsed() {
return used;
Expand Down