import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.classification.InterfaceStability; import org.apache.hadoop.classification.InterfaceAudience; @InterfaceStability.Evolving @InterfaceAudience.Public public class HadoopFileUtils { public static void main(String[] args) throws Exception { FileSystem fs = FileSystem.get(new Configuration()); Path path = new Path("/user/hadoop/test.txt"); FileStatus status = fs.getFileStatus(path); System.out.println("File Size: " + status.getLen() + " bytes"); } }