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 getReadRequestCount(String table); 32 33 /** 34 * Get the number of write requests that have been issued against this table 35 */ 36 long getWriteRequestCount(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 for this table 45 */ 46 long getMemstoreSize(String table); 47 48 /** 49 * Get the store file size for this table 50 */ 51 long getStoreFileSize(String table); 52 53 /** 54 * Get the table region size for 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 68 /** 69 * Get the number of stores hosted on for this table 70 */ 71 long getNumStores(String table); 72 73 /** 74 * Get the number of store files hosted for this table 75 */ 76 long getNumStoreFiles(String table); 77 78 /** 79 * @return Max age of store files for this table 80 */ 81 long getMaxStoreFileAge(String table); 82 83 /** 84 * @return Min age of store files for this table 85 */ 86 long getMinStoreFileAge(String table); 87 88 /** 89 * @return Average age of store files for this table 90 */ 91 long getAvgStoreFileAge(String table); 92 93 /** 94 * @return Number of reference files for this table 95 */ 96 long getNumReferenceFiles(String table); 97 }