View Javadoc

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.rest;
20  
21  import org.apache.hadoop.hbase.metrics.BaseSource;
22  import org.apache.hadoop.hbase.metrics.JvmPauseMonitorSource;
23  
24  /**
25   * Interface of the Metrics Source that will export data to Hadoop's Metrics2 system.
26   */
27  public interface MetricsRESTSource extends BaseSource, JvmPauseMonitorSource {
28  
29    String METRICS_NAME = "REST";
30  
31    String CONTEXT = "rest";
32  
33    String JMX_CONTEXT = "REST";
34  
35    String METRICS_DESCRIPTION = "Metrics about the HBase REST server";
36  
37    String REQUEST_KEY = "requests";
38  
39    String SUCCESSFUL_GET_KEY = "successfulGet";
40  
41    String SUCCESSFUL_PUT_KEY = "successfulPut";
42  
43    String SUCCESSFUL_DELETE_KEY = "successfulDelete";
44  
45    String FAILED_GET_KEY = "failedGet";
46  
47    String FAILED_PUT_KEY = "failedPut";
48  
49    String FAILED_DELETE_KEY = "failedDelete";
50    
51    String SUCCESSFUL_SCAN_KEY = "successfulScanCount";
52    
53    String FAILED_SCAN_KEY = "failedScanCount";
54  
55    String SUCCESSFUL_APPEND_KEY = "successfulAppendCount";
56  
57    String FAILED_APPEND_KEY = "failedAppendCount";
58  
59    String SUCCESSFUL_INCREMENT_KEY = "successfulIncrementCount";
60  
61    String FAILED_INCREMENT_KEY = "failedIncrementCount";
62  
63    /**
64     * Increment the number of requests
65     *
66     * @param inc Ammount to increment by
67     */
68    void incrementRequests(int inc);
69  
70    /**
71     * Increment the number of successful Get requests.
72     *
73     * @param inc Number of successful get requests.
74     */
75    void incrementSucessfulGetRequests(int inc);
76  
77    /**
78     * Increment the number of successful Put requests.
79     *
80     * @param inc Number of successful put requests.
81     */
82    void incrementSucessfulPutRequests(int inc);
83  
84    /**
85     * Increment the number of successful Delete requests.
86     *
87     * @param inc
88     */
89    void incrementSucessfulDeleteRequests(int inc);
90  
91    /**
92     * Increment the number of failed Put Requests.
93     *
94     * @param inc Number of failed Put requests.
95     */
96    void incrementFailedPutRequests(int inc);
97  
98    /**
99     * Increment the number of failed Get requests.
100    *
101    * @param inc The number of failed Get Requests.
102    */
103   void incrementFailedGetRequests(int inc);
104 
105   /**
106    * Increment the number of failed Delete requests.
107    *
108    * @param inc The number of failed delete requests.
109    */
110   void incrementFailedDeleteRequests(int inc);
111   
112   /**
113    * Increment the number of successful scan requests.
114    *
115    * @param inc Number of successful scan requests.
116    */
117   void incrementSucessfulScanRequests(final int inc);
118   
119   /**
120    * Increment the number failed scan requests.
121    *
122    * @param inc Number of failed scan requests.
123    */
124   void incrementFailedScanRequests(final int inc);
125 
126   /**
127    * Increment the number of successful append requests.
128    *
129    * @param inc Number of successful append requests.
130    */
131   void incrementSucessfulAppendRequests(final int inc);
132 
133   /**
134    * Increment the number failed append requests.
135    *
136    * @param inc Number of failed append requests.
137    */
138   void incrementFailedAppendRequests(final int inc);
139 
140   /**
141    * Increment the number of successful increment requests.
142    *
143    * @param inc Number of successful increment requests.
144    */
145   void incrementSucessfulIncrementRequests(final int inc);
146 
147   /**
148    * Increment the number failed increment requests.
149    *
150    * @param inc Number of failed increment requests.
151    */
152   void incrementFailedIncrementRequests(final int inc);
153 }