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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 or more<a name="line.2"></a>
<span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<span class="sourceLineNo">005</span> * The ASF licenses this file to you under the Apache License, Version 2.0<a name="line.5"></a>
<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a>
<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a>
<span class="sourceLineNo">016</span> */<a name="line.16"></a>
<span class="sourceLineNo">017</span>package org.apache.hadoop.hbase.regionserver;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.util.HashMap;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import org.apache.hadoop.hbase.TableName;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.metrics.BaseSourceImpl;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.apache.hadoop.metrics2.MetricHistogram;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.hadoop.metrics2.MetricsCollector;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.hadoop.metrics2.MetricsRecordBuilder;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.metrics2.lib.DynamicMetricsRegistry;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>/**<a name="line.30"></a>
<span class="sourceLineNo">031</span> * Implementation of {@link MetricsTableLatencies} to track latencies for one table in a<a name="line.31"></a>
<span class="sourceLineNo">032</span> * RegionServer.<a name="line.32"></a>
<span class="sourceLineNo">033</span> */<a name="line.33"></a>
<span class="sourceLineNo">034</span>@InterfaceAudience.Private<a name="line.34"></a>
<span class="sourceLineNo">035</span>public class MetricsTableLatenciesImpl extends BaseSourceImpl implements MetricsTableLatencies {<a name="line.35"></a>
<span class="sourceLineNo">036</span><a name="line.36"></a>
<span class="sourceLineNo">037</span> private final HashMap&lt;TableName,TableHistograms&gt; histogramsByTable = new HashMap&lt;&gt;();<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span> @VisibleForTesting<a name="line.39"></a>
<span class="sourceLineNo">040</span> public static class TableHistograms {<a name="line.40"></a>
<span class="sourceLineNo">041</span> final MetricHistogram getTimeHisto;<a name="line.41"></a>
<span class="sourceLineNo">042</span> final MetricHistogram incrementTimeHisto;<a name="line.42"></a>
<span class="sourceLineNo">043</span> final MetricHistogram appendTimeHisto;<a name="line.43"></a>
<span class="sourceLineNo">044</span> final MetricHistogram putTimeHisto;<a name="line.44"></a>
<span class="sourceLineNo">045</span> final MetricHistogram putBatchTimeHisto;<a name="line.45"></a>
<span class="sourceLineNo">046</span> final MetricHistogram deleteTimeHisto;<a name="line.46"></a>
<span class="sourceLineNo">047</span> final MetricHistogram deleteBatchTimeHisto;<a name="line.47"></a>
<span class="sourceLineNo">048</span> final MetricHistogram scanTimeHisto;<a name="line.48"></a>
<span class="sourceLineNo">049</span> final MetricHistogram scanSizeHisto;<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span> TableHistograms(DynamicMetricsRegistry registry, TableName tn) {<a name="line.51"></a>
<span class="sourceLineNo">052</span> getTimeHisto = registry.newTimeHistogram(qualifyMetricsName(tn, GET_TIME));<a name="line.52"></a>
<span class="sourceLineNo">053</span> incrementTimeHisto = registry.newTimeHistogram(<a name="line.53"></a>
<span class="sourceLineNo">054</span> qualifyMetricsName(tn, INCREMENT_TIME));<a name="line.54"></a>
<span class="sourceLineNo">055</span> appendTimeHisto = registry.newTimeHistogram(qualifyMetricsName(tn, APPEND_TIME));<a name="line.55"></a>
<span class="sourceLineNo">056</span> putTimeHisto = registry.newTimeHistogram(qualifyMetricsName(tn, PUT_TIME));<a name="line.56"></a>
<span class="sourceLineNo">057</span> putBatchTimeHisto = registry.newTimeHistogram(qualifyMetricsName(tn, PUT_BATCH_TIME));<a name="line.57"></a>
<span class="sourceLineNo">058</span> deleteTimeHisto = registry.newTimeHistogram(qualifyMetricsName(tn, DELETE_TIME));<a name="line.58"></a>
<span class="sourceLineNo">059</span> deleteBatchTimeHisto = registry.newTimeHistogram(<a name="line.59"></a>
<span class="sourceLineNo">060</span> qualifyMetricsName(tn, DELETE_BATCH_TIME));<a name="line.60"></a>
<span class="sourceLineNo">061</span> scanTimeHisto = registry.newTimeHistogram(qualifyMetricsName(tn, SCAN_TIME));<a name="line.61"></a>
<span class="sourceLineNo">062</span> scanSizeHisto = registry.newSizeHistogram(qualifyMetricsName(tn, SCAN_SIZE));<a name="line.62"></a>
<span class="sourceLineNo">063</span> }<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span> public void updatePut(long time) {<a name="line.65"></a>
<span class="sourceLineNo">066</span> putTimeHisto.add(time);<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span> public void updatePutBatch(long time) {<a name="line.69"></a>
<span class="sourceLineNo">070</span> putBatchTimeHisto.add(time);<a name="line.70"></a>
<span class="sourceLineNo">071</span> }<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> public void updateDelete(long t) {<a name="line.73"></a>
<span class="sourceLineNo">074</span> deleteTimeHisto.add(t);<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> public void updateDeleteBatch(long t) {<a name="line.77"></a>
<span class="sourceLineNo">078</span> deleteBatchTimeHisto.add(t);<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> public void updateGet(long t) {<a name="line.81"></a>
<span class="sourceLineNo">082</span> getTimeHisto.add(t);<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> public void updateIncrement(long t) {<a name="line.85"></a>
<span class="sourceLineNo">086</span> incrementTimeHisto.add(t);<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span> public void updateAppend(long t) {<a name="line.89"></a>
<span class="sourceLineNo">090</span> appendTimeHisto.add(t);<a name="line.90"></a>
<span class="sourceLineNo">091</span> }<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span> public void updateScanSize(long scanSize) {<a name="line.93"></a>
<span class="sourceLineNo">094</span> scanSizeHisto.add(scanSize);<a name="line.94"></a>
<span class="sourceLineNo">095</span> }<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> public void updateScanTime(long t) {<a name="line.97"></a>
<span class="sourceLineNo">098</span> scanTimeHisto.add(t);<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span> @VisibleForTesting<a name="line.102"></a>
<span class="sourceLineNo">103</span> public static String qualifyMetricsName(TableName tableName, String metric) {<a name="line.103"></a>
<span class="sourceLineNo">104</span> StringBuilder sb = new StringBuilder();<a name="line.104"></a>
<span class="sourceLineNo">105</span> sb.append("Namespace_").append(tableName.getNamespaceAsString());<a name="line.105"></a>
<span class="sourceLineNo">106</span> sb.append("_table_").append(tableName.getQualifierAsString());<a name="line.106"></a>
<span class="sourceLineNo">107</span> sb.append("_metric_").append(metric);<a name="line.107"></a>
<span class="sourceLineNo">108</span> return sb.toString();<a name="line.108"></a>
<span class="sourceLineNo">109</span> }<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span> @VisibleForTesting<a name="line.111"></a>
<span class="sourceLineNo">112</span> public TableHistograms getOrCreateTableHistogram(String tableName) {<a name="line.112"></a>
<span class="sourceLineNo">113</span> // TODO Java8's ConcurrentHashMap#computeIfAbsent would be stellar instead<a name="line.113"></a>
<span class="sourceLineNo">114</span> final TableName tn = TableName.valueOf(tableName);<a name="line.114"></a>
<span class="sourceLineNo">115</span> TableHistograms latency = histogramsByTable.get(tn);<a name="line.115"></a>
<span class="sourceLineNo">116</span> if (latency == null) {<a name="line.116"></a>
<span class="sourceLineNo">117</span> latency = new TableHistograms(getMetricsRegistry(), tn);<a name="line.117"></a>
<span class="sourceLineNo">118</span> histogramsByTable.put(tn, latency);<a name="line.118"></a>
<span class="sourceLineNo">119</span> }<a name="line.119"></a>
<span class="sourceLineNo">120</span> return latency;<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> public MetricsTableLatenciesImpl() {<a name="line.123"></a>
<span class="sourceLineNo">124</span> this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);<a name="line.124"></a>
<span class="sourceLineNo">125</span> }<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span> public MetricsTableLatenciesImpl(String metricsName, String metricsDescription,<a name="line.127"></a>
<span class="sourceLineNo">128</span> String metricsContext, String metricsJmxContext) {<a name="line.128"></a>
<span class="sourceLineNo">129</span> super(metricsName, metricsDescription, metricsContext, metricsJmxContext);<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> @Override<a name="line.132"></a>
<span class="sourceLineNo">133</span> public void updatePut(String tableName, long t) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> getOrCreateTableHistogram(tableName).updatePut(t);<a name="line.134"></a>
<span class="sourceLineNo">135</span> }<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span> @Override<a name="line.137"></a>
<span class="sourceLineNo">138</span> public void updatePutBatch(String tableName, long t) {<a name="line.138"></a>
<span class="sourceLineNo">139</span> getOrCreateTableHistogram(tableName).updatePutBatch(t);<a name="line.139"></a>
<span class="sourceLineNo">140</span> }<a name="line.140"></a>
<span class="sourceLineNo">141</span><a name="line.141"></a>
<span class="sourceLineNo">142</span> @Override<a name="line.142"></a>
<span class="sourceLineNo">143</span> public void updateDelete(String tableName, long t) {<a name="line.143"></a>
<span class="sourceLineNo">144</span> getOrCreateTableHistogram(tableName).updateDelete(t);<a name="line.144"></a>
<span class="sourceLineNo">145</span> }<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span> @Override<a name="line.147"></a>
<span class="sourceLineNo">148</span> public void updateDeleteBatch(String tableName, long t) {<a name="line.148"></a>
<span class="sourceLineNo">149</span> getOrCreateTableHistogram(tableName).updateDeleteBatch(t);<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span> @Override<a name="line.152"></a>
<span class="sourceLineNo">153</span> public void updateGet(String tableName, long t) {<a name="line.153"></a>
<span class="sourceLineNo">154</span> getOrCreateTableHistogram(tableName).updateGet(t);<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span> @Override<a name="line.157"></a>
<span class="sourceLineNo">158</span> public void updateIncrement(String tableName, long t) {<a name="line.158"></a>
<span class="sourceLineNo">159</span> getOrCreateTableHistogram(tableName).updateIncrement(t);<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span> @Override<a name="line.162"></a>
<span class="sourceLineNo">163</span> public void updateAppend(String tableName, long t) {<a name="line.163"></a>
<span class="sourceLineNo">164</span> getOrCreateTableHistogram(tableName).updateAppend(t);<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span> @Override<a name="line.167"></a>
<span class="sourceLineNo">168</span> public void updateScanSize(String tableName, long scanSize) {<a name="line.168"></a>
<span class="sourceLineNo">169</span> getOrCreateTableHistogram(tableName).updateScanSize(scanSize);<a name="line.169"></a>
<span class="sourceLineNo">170</span> }<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span> @Override<a name="line.172"></a>
<span class="sourceLineNo">173</span> public void updateScanTime(String tableName, long t) {<a name="line.173"></a>
<span class="sourceLineNo">174</span> getOrCreateTableHistogram(tableName).updateScanTime(t);<a name="line.174"></a>
<span class="sourceLineNo">175</span> }<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span> @Override<a name="line.177"></a>
<span class="sourceLineNo">178</span> public void getMetrics(MetricsCollector metricsCollector, boolean all) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> MetricsRecordBuilder mrb = metricsCollector.addRecord(metricsName);<a name="line.179"></a>
<span class="sourceLineNo">180</span> // source is registered in supers constructor, sometimes called before the whole initialization.<a name="line.180"></a>
<span class="sourceLineNo">181</span> metricsRegistry.snapshot(mrb, all);<a name="line.181"></a>
<span class="sourceLineNo">182</span> if (metricsAdapter != null) {<a name="line.182"></a>
<span class="sourceLineNo">183</span> // snapshot MetricRegistry as well<a name="line.183"></a>
<span class="sourceLineNo">184</span> metricsAdapter.snapshotAllMetrics(registry, mrb);<a name="line.184"></a>
<span class="sourceLineNo">185</span> }<a name="line.185"></a>
<span class="sourceLineNo">186</span> }<a name="line.186"></a>
<span class="sourceLineNo">187</span>}<a name="line.187"></a>
</pre>
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