1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.apache.hadoop.hbase.master.balancer;
20
21 import org.apache.hadoop.hbase.metrics.BaseSource;
22
23 public interface MetricsBalancerSource extends BaseSource {
24
25 /**
26 * The name of the metrics
27 */
28 String METRICS_NAME = "Balancer";
29
30 /**
31 * The context metrics will be under.
32 */
33 String METRICS_CONTEXT = "master";
34
35 /**
36 * The name of the metrics context that metrics will be under in jmx
37 */
38 String METRICS_JMX_CONTEXT = "Master,sub=" + METRICS_NAME;
39
40 String BALANCE_CLUSTER = "balancerCluster";
41 String MISC_INVOATION_COUNT = "miscInvocationCount";
42
43 /**
44 * Description
45 */
46 String METRICS_DESCRIPTION = "Metrics about HBase master balancer";
47
48 void updateBalanceCluster(long time);
49
50 void incrMiscInvocations();
51 }