1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
3 * agreements. See the NOTICE file distributed with this work for additional information regarding
4 * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
5 * "License"); you may not use this file except in compliance with the License. You may obtain a
6 * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable
7 * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
8 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
9 * for the specific language governing permissions and limitations under the License.
10 */
11 package org.apache.hadoop.hbase.quotas;
12
13 import org.apache.hadoop.hbase.classification.InterfaceAudience;
14 import org.apache.hadoop.hbase.classification.InterfaceStability;
15
16 /**
17 * Describe the Scope of the quota rules. The quota can be enforced at the cluster level or at
18 * machine level.
19 */
20 @InterfaceAudience.Public
21 @InterfaceStability.Evolving
22 public enum QuotaScope {
23 /**
24 * The specified throttling rules will be applied at the cluster level. A limit of 100req/min
25 * means 100req/min in total. If you execute 50req on a machine and then 50req on another machine
26 * then you have to wait your quota to fill up.
27 */
28 CLUSTER,
29
30 /**
31 * The specified throttling rules will be applied on the machine level. A limit of 100req/min
32 * means that each machine can execute 100req/min.
33 */
34 MACHINE,
35 }