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 }