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 */
018
019package org.apache.hadoop.hbase.regionserver;
020
021import org.apache.yetus.audience.InterfaceAudience;
022
023/**
024 * Interface of class that will wrap a MetricsTableSource and export numbers so they can be
025 * used in MetricsTableSource
026 */
027@InterfaceAudience.Private
028public interface MetricsTableWrapperAggregate {
029
030  /**
031   * Get the number of read requests that have been issued against this table
032   */
033  long getReadRequestsCount(String table);
034
035  /**
036   * Get the number of write requests that have been issued against this table
037   */
038  long getWriteRequestsCount(String table);
039
040  /**
041   * Get the total number of requests that have been issued against this table
042   */
043  long getTotalRequestsCount(String table);
044
045  /**
046   * Get the memory store size against this table
047   */
048  long getMemStoresSize(String table);
049
050  /**
051   * Get the store file size against this table
052   */
053  long getStoreFilesSize(String table);
054
055  /**
056   * Get the table region size against this table
057   */
058  long getTableSize(String table);
059}