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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;
20  
21  import org.apache.hadoop.hbase.metrics.BaseSource;
22  
23  public interface MetricsSnapshotSource extends BaseSource {
24    /**
25     * The name of the metrics
26     */
27    String METRICS_NAME = "Snapshots";
28  
29    /**
30     * The context metrics will be under.
31     */
32    String METRICS_CONTEXT = "master";
33  
34    /**
35     * The name of the metrics context that metrics will be under in jmx
36     */
37    String METRICS_JMX_CONTEXT = "Master,sub=" + METRICS_NAME;
38  
39    /**
40     * Description
41     */
42    String METRICS_DESCRIPTION = "Metrics about HBase master server";
43  
44    String SNAPSHOT_TIME_NAME = "snapshotTime";
45    String SNAPSHOT_RESTORE_TIME_NAME = "snapshotRestoreTime";
46    String SNAPSHOT_CLONE_TIME_NAME = "snapshotCloneTime";
47    String SNAPSHOT_TIME_DESC = "Time it takes to finish snapshot()";
48    String SNAPSHOT_RESTORE_TIME_DESC = "Time it takes to finish restoreSnapshot()";
49    String SNAPSHOT_CLONE_TIME_DESC = "Time it takes to finish cloneSnapshot()";
50  
51    void updateSnapshotTime(long time);
52  
53    void updateSnapshotCloneTime(long time);
54  
55    void updateSnapshotRestoreTime(long time);
56  }