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 26 /** 27 * Class used to push numbers about WAL edits replay into the metrics subsystem. This will take a 28 * single function call and turn it into multiple manipulations of the hadoop metrics system. 29 */ 30 @InterfaceAudience.Private 31 public class MetricsWALEditsReplay { 32 static final Log LOG = LogFactory.getLog(MetricsWALEditsReplay.class); 33 34 private final MetricsEditsReplaySource source; 35 36 public MetricsWALEditsReplay() { 37 source = CompatibilitySingletonFactory.getInstance(MetricsEditsReplaySource.class); 38 } 39 40 /** 41 * Add the time a replay command took 42 */ 43 void updateReplayTime(long time) { 44 source.updateReplayTime(time); 45 } 46 47 /** 48 * Add the batch size of each replay 49 */ 50 void updateReplayBatchSize(long size) { 51 source.updateReplayDataSize(size); 52 } 53 54 /** 55 * Add the payload data size of each replay 56 */ 57 void updateReplayDataSize(long size) { 58 } 59 }