1 /** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 package org.apache.hadoop.hbase.regionserver.wal; 20 21 import org.apache.commons.logging.Log; 22 import org.apache.commons.logging.LogFactory; 23 import org.apache.hadoop.hbase.classification.InterfaceAudience; 24 import org.apache.hadoop.hbase.CompatibilitySingletonFactory; 25 import org.apache.hadoop.util.StringUtils; 26 27 /** 28 * Class used to push numbers about WAL edits replay into the metrics subsystem. This will take a 29 * single function call and turn it into multiple manipulations of the hadoop metrics system. 30 */ 31 @InterfaceAudience.Private 32 public class MetricsWALEditsReplay { 33 static final Log LOG = LogFactory.getLog(MetricsWALEditsReplay.class); 34 35 private final MetricsEditsReplaySource source; 36 37 public MetricsWALEditsReplay() { 38 source = CompatibilitySingletonFactory.getInstance(MetricsEditsReplaySource.class); 39 } 40 41 /** 42 * Add the time a replay command took 43 */ 44 void updateReplayTime(long time) { 45 source.updateReplayTime(time); 46 } 47 48 /** 49 * Add the batch size of each replay 50 */ 51 void updateReplayBatchSize(long size) { 52 source.updateReplayDataSize(size); 53 } 54 55 /** 56 * Add the payload data size of each replay 57 */ 58 void updateReplayDataSize(long size) { 59 } 60 }