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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.master;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><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.hbase.metrics.Interns;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.metrics.OperationMetrics;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.util.PairOfSameType;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.metrics2.MetricsCollector;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.metrics2.MetricsRecordBuilder;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.metrics2.lib.MutableFastCounter;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.yetus.audience.InterfaceAudience;<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> * Hadoop2 implementation of MetricsMasterSource.<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> *<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * Implements BaseSource through BaseSourceImpl, following the pattern<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 MetricsMasterSourceImpl<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> extends BaseSourceImpl implements MetricsMasterSource {<a name="line.37"></a> |
| <span class="sourceLineNo">038</span><a name="line.38"></a> |
| <span class="sourceLineNo">039</span> private final MetricsMasterWrapper masterWrapper;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> private MutableFastCounter clusterRequestsCounter;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> private OperationMetrics serverCrashMetrics;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> public MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper) {<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> this(METRICS_NAME,<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> METRICS_DESCRIPTION,<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> METRICS_CONTEXT,<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> METRICS_JMX_CONTEXT,<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> masterWrapper);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> }<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public MetricsMasterSourceImpl(String metricsName,<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> String metricsDescription,<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> String metricsContext,<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> String metricsJmxContext,<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> MetricsMasterWrapper masterWrapper) {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> super(metricsName, metricsDescription, metricsContext, metricsJmxContext);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> this.masterWrapper = masterWrapper;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> }<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> @Override<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public void init() {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> super.init();<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> clusterRequestsCounter = metricsRegistry.newCounter(CLUSTER_REQUESTS_NAME, "", 0L);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /*<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * NOTE: Please refer to HBASE-9774 and HBASE-14282. Based on these two issues, HBase is<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * moving away from using Hadoop's metric2 to having independent HBase specific Metrics. Use<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * {@link BaseSourceImpl#registry} to register the new metrics.<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> */<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> serverCrashMetrics = new OperationMetrics(registry, SERVER_CRASH_METRIC_PREFIX);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> }<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> @Override<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public void incRequests(final long inc) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> this.clusterRequestsCounter.incr(inc);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> @Override<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public void getMetrics(MetricsCollector metricsCollector, boolean all) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> MetricsRecordBuilder metricsRecordBuilder = metricsCollector.addRecord(metricsName);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> // masterWrapper can be null because this function is called inside of init.<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> // If the master is already stopped or has initiated a shutdown, no point in registering the<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> // metrics again.<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> if (masterWrapper != null && masterWrapper.isRunning()) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> // Pair<online region number, offline region number><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> PairOfSameType<Integer> regionNumberPair = masterWrapper.getRegionCounts();<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> metricsRecordBuilder<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> .addGauge(Interns.info(MERGE_PLAN_COUNT_NAME, MERGE_PLAN_COUNT_DESC),<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> masterWrapper.getMergePlanCount())<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> .addGauge(Interns.info(SPLIT_PLAN_COUNT_NAME, SPLIT_PLAN_COUNT_DESC),<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> masterWrapper.getSplitPlanCount())<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> .addGauge(Interns.info(MASTER_ACTIVE_TIME_NAME,<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> MASTER_ACTIVE_TIME_DESC), masterWrapper.getActiveTime())<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> .addGauge(Interns.info(MASTER_START_TIME_NAME,<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> MASTER_START_TIME_DESC), masterWrapper.getStartTime())<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> .addGauge(Interns.info(MASTER_FINISHED_INITIALIZATION_TIME_NAME,<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> MASTER_FINISHED_INITIALIZATION_TIME_DESC),<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> masterWrapper.getMasterInitializationTime())<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> .addGauge(Interns.info(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC),<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> masterWrapper.getAverageLoad())<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> .addGauge(Interns.info(ONLINE_REGION_COUNT_NAME, ONLINE_REGION_COUNT_DESC),<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> regionNumberPair.getFirst())<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> .addGauge(Interns.info(OFFLINE_REGION_COUNT_NAME, OFFLINE_REGION_COUNT_DESC),<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> regionNumberPair.getSecond())<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> .tag(Interns.info(LIVE_REGION_SERVERS_NAME, LIVE_REGION_SERVERS_DESC),<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> masterWrapper.getRegionServers())<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> .addGauge(Interns.info(NUM_REGION_SERVERS_NAME,<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> NUMBER_OF_REGION_SERVERS_DESC), masterWrapper.getNumRegionServers())<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> .tag(Interns.info(DEAD_REGION_SERVERS_NAME, DEAD_REGION_SERVERS_DESC),<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> masterWrapper.getDeadRegionServers())<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> .addGauge(Interns.info(NUM_DEAD_REGION_SERVERS_NAME,<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> NUMBER_OF_DEAD_REGION_SERVERS_DESC),<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> masterWrapper.getNumDeadRegionServers())<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> .tag(Interns.info(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC),<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> masterWrapper.getZookeeperQuorum())<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> .tag(Interns.info(SERVER_NAME_NAME, SERVER_NAME_DESC), masterWrapper.getServerName())<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> .tag(Interns.info(CLUSTER_ID_NAME, CLUSTER_ID_DESC), masterWrapper.getClusterId())<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> .tag(Interns.info(IS_ACTIVE_MASTER_NAME, IS_ACTIVE_MASTER_DESC),<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> String.valueOf(masterWrapper.getIsActiveMaster()));<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> metricsRegistry.snapshot(metricsRecordBuilder, all);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> if(metricsAdapter != null) {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> metricsAdapter.snapshotAllMetrics(registry, metricsRecordBuilder);<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><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> @Override<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> public OperationMetrics getServerCrashMetrics() {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> return serverCrashMetrics;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> }<a name="line.137"></a> |
| <span class="sourceLineNo">138</span>}<a name="line.138"></a> |
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| </pre> |
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