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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.regionserver.wal;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.concurrent.ConcurrentMap;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.TableName;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.metrics.BaseSourceImpl;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.metrics2.MetricHistogram;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.metrics2.lib.MutableFastCounter;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span>/**<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * Class that transitions metrics from MetricsWAL into the metrics subsystem.<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> *<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * Implements BaseSource through BaseSourceImpl, following the pattern.<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * @see org.apache.hadoop.hbase.regionserver.wal.MetricsWALSource<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> */<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>@InterfaceAudience.Private<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>public class MetricsWALSourceImpl extends BaseSourceImpl implements MetricsWALSource {<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> private final MetricHistogram appendSizeHisto;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> private final MetricHistogram appendTimeHisto;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> private final MetricHistogram syncTimeHisto;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> private final MutableFastCounter appendCount;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> private final MutableFastCounter slowAppendCount;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> private final MutableFastCounter logRollRequested;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private final MutableFastCounter errorRollRequested;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> private final MutableFastCounter lowReplicationRollRequested;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> private final MutableFastCounter slowSyncRollRequested;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> private final MutableFastCounter sizeRollRequested;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private final MutableFastCounter writtenBytes;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> // Per table metrics.<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private final ConcurrentMap<TableName, MutableFastCounter> perTableAppendCount;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private final ConcurrentMap<TableName, MutableFastCounter> perTableAppendSize;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public MetricsWALSourceImpl() {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> }<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> public MetricsWALSourceImpl(String metricsName,<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> String metricsDescription,<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> String metricsContext,<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> String metricsJmxContext) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> super(metricsName, metricsDescription, metricsContext, metricsJmxContext);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> //Create and store the metrics that will be used.<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> appendTimeHisto = this.getMetricsRegistry().newTimeHistogram(APPEND_TIME, APPEND_TIME_DESC);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> appendSizeHisto = this.getMetricsRegistry().newSizeHistogram(APPEND_SIZE, APPEND_SIZE_DESC);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> appendCount = this.getMetricsRegistry().newCounter(APPEND_COUNT, APPEND_COUNT_DESC, 0L);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> slowAppendCount =<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> this.getMetricsRegistry().newCounter(SLOW_APPEND_COUNT, SLOW_APPEND_COUNT_DESC, 0L);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> syncTimeHisto = this.getMetricsRegistry().newTimeHistogram(SYNC_TIME, SYNC_TIME_DESC);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> logRollRequested =<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> this.getMetricsRegistry().newCounter(ROLL_REQUESTED, ROLL_REQUESTED_DESC, 0L);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> errorRollRequested = this.getMetricsRegistry()<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> .newCounter(ERROR_ROLL_REQUESTED, ERROR_ROLL_REQUESTED_DESC, 0L);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> lowReplicationRollRequested = this.getMetricsRegistry()<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> .newCounter(LOW_REPLICA_ROLL_REQUESTED, LOW_REPLICA_ROLL_REQUESTED_DESC, 0L);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> slowSyncRollRequested = this.getMetricsRegistry()<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> .newCounter(SLOW_SYNC_ROLL_REQUESTED, SLOW_SYNC_ROLL_REQUESTED_DESC, 0L);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> sizeRollRequested = this.getMetricsRegistry()<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> .newCounter(SIZE_ROLL_REQUESTED, SIZE_ROLL_REQUESTED_DESC, 0L);<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> writtenBytes = this.getMetricsRegistry().newCounter(WRITTEN_BYTES, WRITTEN_BYTES_DESC, 0L);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> perTableAppendCount = new ConcurrentHashMap<>();<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> perTableAppendSize = new ConcurrentHashMap<>();<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> @Override<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public void incrementAppendSize(TableName tableName, long size) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> appendSizeHisto.add(size);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> MutableFastCounter tableAppendSizeCounter = perTableAppendSize.get(tableName);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> if (tableAppendSizeCounter == null) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> // Ideally putIfAbsent is atomic and we don't need a branch check but we still do it to avoid<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> // expensive string construction for every append.<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> String metricsKey = String.format("%s.%s", tableName, APPEND_SIZE);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> perTableAppendSize.putIfAbsent(<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> tableName, getMetricsRegistry().newCounter(metricsKey, APPEND_SIZE_DESC, 0L));<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> tableAppendSizeCounter = perTableAppendSize.get(tableName);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> tableAppendSizeCounter.incr(size);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> @Override<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> public void incrementAppendTime(long time) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> appendTimeHisto.add(time);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> @Override<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> public void incrementAppendCount(TableName tableName) {<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> appendCount.incr();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> MutableFastCounter tableAppendCounter = perTableAppendCount.get(tableName);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> if (tableAppendCounter == null) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> String metricsKey = String.format("%s.%s", tableName, APPEND_COUNT);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> perTableAppendCount.putIfAbsent(<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> tableName, getMetricsRegistry().newCounter(metricsKey, APPEND_COUNT_DESC, 0L));<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> tableAppendCounter = perTableAppendCount.get(tableName);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> tableAppendCounter.incr();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> @Override<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> public void incrementSlowAppendCount() {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> slowAppendCount.incr();<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> @Override<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> public void incrementSyncTime(long time) {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> syncTimeHisto.add(time);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> @Override<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> public void incrementLogRollRequested() {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> logRollRequested.incr();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> @Override<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> public void incrementErrorLogRoll() {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> errorRollRequested.incr();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> @Override<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public void incrementLowReplicationLogRoll() {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> lowReplicationRollRequested.incr();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> @Override<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> public void incrementSlowSyncLogRoll() {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> slowSyncRollRequested.incr();<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> @Override<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> public void incrementSizeLogRoll() {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> sizeRollRequested.incr();<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> @Override<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> public long getSlowAppendCount() {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> return slowAppendCount.value();<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> @Override<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> public void incrementWrittenBytes(long val) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> writtenBytes.incr(val);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span>}<a name="line.162"></a> |
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