001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.regionserver; 019 020import java.util.Map; 021import org.apache.yetus.audience.InterfaceAudience; 022 023/** 024 * Interface of class that will wrap a MetricsTableSource and export numbers so they can be used in 025 * MetricsTableSource 026 */ 027@InterfaceAudience.Private 028public interface MetricsTableWrapperAggregate { 029 public String HASH = "#"; 030 031 /** 032 * Get the number of read requests that have been issued against this table 033 */ 034 long getReadRequestCount(String table); 035 036 /** 037 * Get the number of CoprocessorService requests that have been issued against this table 038 */ 039 long getCpRequestsCount(String table); 040 041 /** 042 * Get the total number of filtered read requests that have been issued against this table 043 */ 044 long getFilteredReadRequestCount(String table); 045 046 /** 047 * Get the number of write requests that have been issued for this table 048 */ 049 long getWriteRequestCount(String table); 050 051 /** 052 * Get the total number of requests that have been issued for this table 053 */ 054 long getTotalRequestsCount(String table); 055 056 /** 057 * Get the memory store size against this table 058 */ 059 long getMemStoreSize(String table); 060 061 /** 062 * Get the store file size against this table 063 */ 064 long getStoreFileSize(String table); 065 066 /** 067 * Get the table region size against this table 068 */ 069 long getTableSize(String table); 070 071 /** 072 * Get the average region size for this table 073 */ 074 long getAvgRegionSize(String table); 075 076 /** 077 * Get the number of regions hosted on for this table 078 */ 079 long getNumRegions(String table); 080 081 /** 082 * Get the number of stores hosted on for this table 083 */ 084 long getNumStores(String table); 085 086 /** 087 * Get the number of store files hosted for this table 088 */ 089 long getNumStoreFiles(String table); 090 091 /** 092 * @return Max age of store files for this table 093 */ 094 long getMaxStoreFileAge(String table); 095 096 /** 097 * @return Min age of store files for this table 098 */ 099 long getMinStoreFileAge(String table); 100 101 /** 102 * @return Average age of store files for this table 103 */ 104 long getAvgStoreFileAge(String table); 105 106 /** 107 * @return Number of reference files for this table 108 */ 109 long getNumReferenceFiles(String table); 110 111 /** 112 * @return number of row reads completely from memstore per store for this table 113 */ 114 Map<String, Long> getMemstoreOnlyRowReadsCount(String table); 115 116 /** 117 * @return number of row reads from file and memstore per store for this table 118 */ 119 Map<String, Long> getMixedRowReadsCount(String table); 120}