@@ -0,0 +1,1382 @@
+/**%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements.  See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership.  The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License.  You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage org.apache.hadoop.hdfs.server.protocol;%0A%0Aimport org.apache.hadoop.classification.InterfaceAudience;%0Aimport org.apache.hadoop.classification.InterfaceStability;%0A%0A/**%0A * Utilization report for a Datanode cache%0A */%0A@InterfaceAudience.Private%0A@InterfaceStability.Unstable%0Apublic class CacheReport %7B%0A  private final long capacity;%0A  private final long used;%0A  %0A  public CacheReport(long capacity, long used) %7B%0A    this.capacity = capacity;%0A    this.used = used;%0A  %7D%0A%0A  public long getCapacity() %7B%0A    return capacity;%0A  %7D%0A%0A  public long getUsed() %7B%0A    return used;%0A  %7D%0A%7D%0A

Add missing file from HDFS-5141