| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <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> * Copyright 2016 Josh Elser<a name="line.19"></a> |
| <span class="sourceLineNo">020</span> *<a name="line.20"></a> |
| <span class="sourceLineNo">021</span> * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.21"></a> |
| <span class="sourceLineNo">022</span> * you may not use this file except in compliance with the License.<a name="line.22"></a> |
| <span class="sourceLineNo">023</span> * You may obtain a copy of the License at<a name="line.23"></a> |
| <span class="sourceLineNo">024</span> *<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> *<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * Unless required by applicable law or agreed to in writing, software<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * See the License for the specific language governing permissions and<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * limitations under the License.<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> */<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>package org.apache.hadoop.hbase.metrics.impl;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.Map;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.commons.lang3.StringUtils;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.metrics.Counter;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.metrics.Gauge;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.metrics.Histogram;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.metrics.Meter;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.metrics.Metric;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.metrics.MetricRegistry;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.metrics.MetricRegistryInfo;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.metrics.Timer;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.metrics2.MetricsCollector;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.metrics2.MetricsInfo;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.metrics2.MetricsRecordBuilder;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.metrics2.lib.Interns;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.metrics2.lib.MutableHistogram;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span>/**<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * This is the adapter from "HBase Metrics Framework", implemented in hbase-metrics-api and<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * hbase-metrics modules to the Hadoop Metrics2 framework. This adapter is not a metric source, but<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * a helper to be able to collect all of the Metric's in the MetricRegistry using the<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * MetricsCollector and MetricsRecordBuilder. Some of the code is forked from<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * https://github.com/joshelser/dropwizard-hadoop-metrics2.<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> */<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>@InterfaceAudience.Private<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>public class HBaseMetrics2HadoopMetricsAdapter {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private static final Logger LOG =<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> LoggerFactory.getLogger(HBaseMetrics2HadoopMetricsAdapter.class);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static final String EMPTY_STRING = "";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public HBaseMetrics2HadoopMetricsAdapter() {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> }<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> /**<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * Iterates over the MetricRegistry and adds them to the {@code collector}.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * @param collector A metrics collector<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public void snapshotAllMetrics(MetricRegistry metricRegistry, MetricsCollector collector) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> MetricRegistryInfo info = metricRegistry.getMetricRegistryInfo();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> MetricsRecordBuilder builder =<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> collector.addRecord(Interns.info(info.getMetricsName(), info.getMetricsDescription()));<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> builder.setContext(info.getMetricsContext());<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> snapshotAllMetrics(metricRegistry, builder);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /**<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * Iterates over the MetricRegistry and adds them to the {@code builder}.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * @param builder A record builder<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> */<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> public void snapshotAllMetrics(MetricRegistry metricRegistry, MetricsRecordBuilder builder) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> Map<String, Metric> metrics = metricRegistry.getMetrics();<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> for (Map.Entry<String, Metric> e : metrics.entrySet()) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> // Always capitalize the name<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> String name = StringUtils.capitalize(e.getKey());<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> Metric metric = e.getValue();<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> if (metric instanceof Gauge) {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> addGauge(name, (Gauge<?>) metric, builder);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> } else if (metric instanceof Counter) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> addCounter(name, (Counter) metric, builder);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> } else if (metric instanceof Histogram) {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> addHistogram(name, (Histogram) metric, builder);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> } else if (metric instanceof Meter) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> addMeter(name, (Meter) metric, builder);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> } else if (metric instanceof Timer) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> addTimer(name, (Timer) metric, builder);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> } else {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> LOG.info("Ignoring unknown Metric class " + metric.getClass().getName());<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> }<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> private void addGauge(String name, Gauge<?> gauge, MetricsRecordBuilder builder) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> final MetricsInfo info = Interns.info(name, EMPTY_STRING);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> final Object o = gauge.getValue();<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> // Figure out which gauge types metrics2 supports and call the right method<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> if (o instanceof Integer) {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> builder.addGauge(info, (int) o);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> } else if (o instanceof Long) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> builder.addGauge(info, (long) o);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> } else if (o instanceof Float) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> builder.addGauge(info, (float) o);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> } else if (o instanceof Double) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> builder.addGauge(info, (double) o);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> } else {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> LOG.warn("Ignoring Gauge (" + name + ") with unhandled type: " + o.getClass());<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><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> private void addCounter(String name, Counter counter, MetricsRecordBuilder builder) {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> MetricsInfo info = Interns.info(name, EMPTY_STRING);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> builder.addCounter(info, counter.getCount());<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> /**<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * Add Histogram value-distribution data to a Hadoop-Metrics2 record building.<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * @param name A base name for this record.<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * @param histogram A histogram to measure distribution of values.<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * @param builder A Hadoop-Metrics2 record builder.<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> */<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> private void addHistogram(String name, Histogram histogram, MetricsRecordBuilder builder) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> MutableHistogram.snapshot(name, EMPTY_STRING, histogram, builder, true);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> /**<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> * Add Dropwizard-Metrics rate information to a Hadoop-Metrics2 record builder, converting the<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> * rates to the appropriate unit.<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * @param builder A Hadoop-Metrics2 record builder.<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * @param name A base name for this record.<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> */<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> private void addMeter(String name, Meter meter, MetricsRecordBuilder builder) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> builder.addGauge(Interns.info(name + "_count", EMPTY_STRING), meter.getCount());<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> builder.addGauge(Interns.info(name + "_mean_rate", EMPTY_STRING), meter.getMeanRate());<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> builder.addGauge(Interns.info(name + "_1min_rate", EMPTY_STRING), meter.getOneMinuteRate());<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> builder.addGauge(Interns.info(name + "_5min_rate", EMPTY_STRING), meter.getFiveMinuteRate());<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> builder.addGauge(Interns.info(name + "_15min_rate", EMPTY_STRING),<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> meter.getFifteenMinuteRate());<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> private void addTimer(String name, Timer timer, MetricsRecordBuilder builder) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> addMeter(name, timer.getMeter(), builder);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> addHistogram(name, timer.getHistogram(), builder);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span>}<a name="line.163"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
