import org.apache.hadoop.hdfs.DistributedFileSystem.DiskStatus; //导入依赖的package包/类
public DiskStatus getDiskStatus() throws IOException {
  long rawNums[] = namenode.getStats();
  return new DiskStatus(rawNums[0], rawNums[1], rawNums[2]);
}
 

import org.apache.hadoop.hdfs.DistributedFileSystem.DiskStatus; //导入依赖的package包/类
public DiskStatus getNSDiskStatus() throws IOException {
  long rawNums[] = namenode.getStats();
  // rawNums[6] should be capacityNamespaceUsed
  long dfsUsed = (rawNums.length > 6)? rawNums[6]: rawNums[1];
  return new DiskStatus(rawNums[0], dfsUsed, rawNums[2]);
}