001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to you under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.hadoop.hbase.regionserver;
018
019import org.apache.hadoop.hbase.TableName;
020import org.apache.yetus.audience.InterfaceAudience;
021
022/**
023 * Query Per Second for each table in a RegionServer.
024 */
025@InterfaceAudience.Private
026public interface MetricsTableQueryMeter {
027
028  /**
029   * Update table read QPS
030   * @param tableName The table the metric is for
031   * @param count Number of occurrences to record
032   */
033  void updateTableReadQueryMeter(TableName tableName, long count);
034
035  /**
036   * Update table read QPS
037   * @param tableName The table the metric is for
038   */
039  void updateTableReadQueryMeter(TableName tableName);
040
041  /**
042   * Update table write QPS
043   * @param tableName The table the metric is for
044   * @param count Number of occurrences to record
045   */
046  void updateTableWriteQueryMeter(TableName tableName, long count);
047
048  /**
049   * Update table write QPS
050   * @param tableName The table the metric is for
051   */
052  void updateTableWriteQueryMeter(TableName tableName);
053}