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-<span class="sourceLineNo">086</span> metricsRecordBuilder<a name="line.86"></a>
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-<span class="sourceLineNo">092</span> MASTER_ACTIVE_TIME_DESC), masterWrapper.getActiveTime())<a name="line.92"></a>
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-<span class="sourceLineNo">096</span> MASTER_FINISHED_INITIALIZATION_TIME_DESC),<a name="line.96"></a>
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-<span class="sourceLineNo">098</span> .addGauge(Interns.info(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC),<a name="line.98"></a>
-<span class="sourceLineNo">099</span> masterWrapper.getAverageLoad())<a name="line.99"></a>
-<span class="sourceLineNo">100</span> .tag(Interns.info(LIVE_REGION_SERVERS_NAME, LIVE_REGION_SERVERS_DESC),<a name="line.100"></a>
-<span class="sourceLineNo">101</span> masterWrapper.getRegionServers())<a name="line.101"></a>
-<span class="sourceLineNo">102</span> .addGauge(Interns.info(NUM_REGION_SERVERS_NAME,<a name="line.102"></a>
-<span class="sourceLineNo">103</span> NUMBER_OF_REGION_SERVERS_DESC), masterWrapper.getNumRegionServers())<a name="line.103"></a>
-<span class="sourceLineNo">104</span> .tag(Interns.info(DEAD_REGION_SERVERS_NAME, DEAD_REGION_SERVERS_DESC),<a name="line.104"></a>
-<span class="sourceLineNo">105</span> masterWrapper.getDeadRegionServers())<a name="line.105"></a>
-<span class="sourceLineNo">106</span> .addGauge(Interns.info(NUM_DEAD_REGION_SERVERS_NAME,<a name="line.106"></a>
-<span class="sourceLineNo">107</span> NUMBER_OF_DEAD_REGION_SERVERS_DESC),<a name="line.107"></a>
-<span class="sourceLineNo">108</span> masterWrapper.getNumDeadRegionServers())<a name="line.108"></a>
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-<span class="sourceLineNo">111</span> .tag(Interns.info(SERVER_NAME_NAME, SERVER_NAME_DESC), masterWrapper.getServerName())<a name="line.111"></a>
-<span class="sourceLineNo">112</span> .tag(Interns.info(CLUSTER_ID_NAME, CLUSTER_ID_DESC), masterWrapper.getClusterId())<a name="line.112"></a>
-<span class="sourceLineNo">113</span> .tag(Interns.info(IS_ACTIVE_MASTER_NAME,<a name="line.113"></a>
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-<span class="sourceLineNo">124</span> }<a name="line.124"></a>
-<span class="sourceLineNo">125</span>}<a name="line.125"></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>
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+<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>
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+<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>
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+<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>
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+<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 (masterWrapper != null) {<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> // Pair<online region number, offline region number><a name="line.88"></a>
+<span class="sourceLineNo">089</span> PairOfSameType<Integer> regionNumberPair = masterWrapper.getRegionCounts();<a name="line.89"></a>
+<span class="sourceLineNo">090</span><a name="line.90"></a>
+<span class="sourceLineNo">091</span> metricsRecordBuilder<a name="line.91"></a>
+<span class="sourceLineNo">092</span> .addGauge(Interns.info(MERGE_PLAN_COUNT_NAME, MERGE_PLAN_COUNT_DESC),<a name="line.92"></a>
+<span class="sourceLineNo">093</span> masterWrapper.getMergePlanCount())<a name="line.93"></a>
+<span class="sourceLineNo">094</span> .addGauge(Interns.info(SPLIT_PLAN_COUNT_NAME, SPLIT_PLAN_COUNT_DESC),<a name="line.94"></a>
+<span class="sourceLineNo">095</span> masterWrapper.getSplitPlanCount())<a name="line.95"></a>
+<span class="sourceLineNo">096</span> .addGauge(Interns.info(MASTER_ACTIVE_TIME_NAME,<a name="line.96"></a>
+<span class="sourceLineNo">097</span> MASTER_ACTIVE_TIME_DESC), masterWrapper.getActiveTime())<a name="line.97"></a>
+<span class="sourceLineNo">098</span> .addGauge(Interns.info(MASTER_START_TIME_NAME,<a name="line.98"></a>
+<span class="sourceLineNo">099</span> MASTER_START_TIME_DESC), masterWrapper.getStartTime())<a name="line.99"></a>
+<span class="sourceLineNo">100</span> .addGauge(Interns.info(MASTER_FINISHED_INITIALIZATION_TIME_NAME,<a name="line.100"></a>
+<span class="sourceLineNo">101</span> MASTER_FINISHED_INITIALIZATION_TIME_DESC),<a name="line.101"></a>
+<span class="sourceLineNo">102</span> masterWrapper.getMasterInitializationTime())<a name="line.102"></a>
+<span class="sourceLineNo">103</span> .addGauge(Interns.info(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC),<a name="line.103"></a>
+<span class="sourceLineNo">104</span> masterWrapper.getAverageLoad())<a name="line.104"></a>
+<span class="sourceLineNo">105</span> .addGauge(Interns.info(ONLINE_REGION_COUNT_NAME, ONLINE_REGION_COUNT_DESC),<a name="line.105"></a>
+<span class="sourceLineNo">106</span> regionNumberPair.getFirst())<a name="line.106"></a>
+<span class="sourceLineNo">107</span> .addGauge(Interns.info(OFFLINE_REGION_COUNT_NAME, OFFLINE_REGION_COUNT_DESC),<a name="line.107"></a>
+<span class="sourceLineNo">108</span> regionNumberPair.getSecond())<a name="line.108"></a>
+<span class="sourceLineNo">109</span> .tag(Interns.info(LIVE_REGION_SERVERS_NAME, LIVE_REGION_SERVERS_DESC),<a name="line.109"></a>
+<span class="sourceLineNo">110</span> masterWrapper.getRegionServers())<a name="line.110"></a>
+<span class="sourceLineNo">111</span> .addGauge(Interns.info(NUM_REGION_SERVERS_NAME,<a name="line.111"></a>
+<span class="sourceLineNo">112</span> NUMBER_OF_REGION_SERVERS_DESC), masterWrapper.getNumRegionServers())<a name="line.112"></a>
+<span class="sourceLineNo">113</span> .tag(Interns.info(DEAD_REGION_SERVERS_NAME, DEAD_REGION_SERVERS_DESC),<a name="line.113"></a>
+<span class="sourceLineNo">114</span> masterWrapper.getDeadRegionServers())<a name="line.114"></a>
+<span class="sourceLineNo">115</span> .addGauge(Interns.info(NUM_DEAD_REGION_SERVERS_NAME,<a name="line.115"></a>
+<span class="sourceLineNo">116</span> NUMBER_OF_DEAD_REGION_SERVERS_DESC),<a name="line.116"></a>
+<span class="sourceLineNo">117</span> masterWrapper.getNumDeadRegionServers())<a name="line.117"></a>
+<span class="sourceLineNo">118</span> .tag(Interns.info(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC),<a name="line.118"></a>
+<span class="sourceLineNo">119</span> masterWrapper.getZookeeperQuorum())<a name="line.119"></a>
+<span class="sourceLineNo">120</span> .tag(Interns.info(SERVER_NAME_NAME, SERVER_NAME_DESC), masterWrapper.getServerName())<a name="line.120"></a>
+<span class="sourceLineNo">121</span> .tag(Interns.info(CLUSTER_ID_NAME, CLUSTER_ID_DESC), masterWrapper.getClusterId())<a name="line.121"></a>
+<span class="sourceLineNo">122</span> .tag(Interns.info(IS_ACTIVE_MASTER_NAME, IS_ACTIVE_MASTER_DESC),<a name="line.122"></a>
+<span class="sourceLineNo">123</span> String.valueOf(masterWrapper.getIsActiveMaster()));<a name="line.123"></a>
+<span class="sourceLineNo">124</span> }<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> metricsRegistry.snapshot(metricsRecordBuilder, all);<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> @Override<a name="line.129"></a>
+<span class="sourceLineNo">130</span> public OperationMetrics getServerCrashMetrics() {<a name="line.130"></a>
+<span class="sourceLineNo">131</span> return serverCrashMetrics;<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>