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.regionserver;
20
21
22 /**
23 * Interface of class that will wrap a MetricsTableSource and export numbers so they can be
24 * used in MetricsTableSource
25 */
26 public interface MetricsTableWrapperAggregate {
27
28 /**
29 * Get the number of read requests that have been issued against this table
30 */
31 long getReadRequestsCount(String table);
32
33 /**
34 * Get the number of write requests that have been issued against this table
35 */
36 long getWriteRequestsCount(String table);
37
38 /**
39 * Get the total number of requests that have been issued against this table
40 */
41 long getTotalRequestsCount(String table);
42
43 /**
44 * Get the memory store size against this table
45 */
46 long getMemstoresSize(String table);
47
48 /**
49 * Get the store file size against this table
50 */
51 long getStoreFilesSize(String table);
52
53 /**
54 * Get the table region size against this table
55 */
56 long getTableSize(String table);
57
58 /**
59 * Get the average region size for this table
60 */
61 long getAvgRegionSize(String table);
62
63 /**
64 * Get the number of regions hosted on for this table
65 */
66 long getNumRegions(String table);
67 }