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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 MetricsMasterFileSystemSource extends BaseSource {
24  
25    /**
26     * The name of the metrics
27     */
28    String METRICS_NAME = "FileSystem";
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    /**
41     * Description
42     */
43    String METRICS_DESCRIPTION = "Metrics about HBase master file system.";
44  
45    String META_SPLIT_TIME_NAME = "metaHlogSplitTime";
46    String META_SPLIT_SIZE_NAME = "metaHlogSplitSize";
47    String SPLIT_TIME_NAME = "hlogSplitTime";
48    String SPLIT_SIZE_NAME = "hlogSplitSize";
49  
50    String META_SPLIT_TIME_DESC = "Time it takes to finish splitMetaLog()";
51    String META_SPLIT_SIZE_DESC = "Size of hbase:meta WAL files being split";
52    String SPLIT_TIME_DESC = "Time it takes to finish WAL.splitLog()";
53    String SPLIT_SIZE_DESC = "Size of WAL files being split";
54  
55  
56    void updateMetaWALSplitTime(long time);
57  
58    void updateMetaWALSplitSize(long size);
59  
60    void updateSplitTime(long time);
61  
62    void updateSplitSize(long size);
63  
64  }