001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.quotas;
019
020import org.apache.yetus.audience.InterfaceAudience;
021
022/**
023 * Describe the Scope of the quota rules.
024 * The quota can be enforced at the cluster level or at machine level.
025 */
026@InterfaceAudience.Public
027public enum QuotaScope {
028  /**
029   * The specified throttling rules will be applied at the cluster level.
030   * A limit of 100req/min means 100req/min in total.
031   * If you execute 50req on a machine and then 50req on another machine
032   * then you have to wait your quota to fill up.
033   */
034  CLUSTER,
035
036  /**
037   * The specified throttling rules will be applied on the machine level.
038   * A limit of 100req/min means that each machine can execute 100req/min.
039   */
040  MACHINE,
041}