http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d41f56fe/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.CallStats.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.CallStats.html
b/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.CallStats.html
index 3d52dad..060fee7 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.CallStats.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.CallStats.html
@@ -81,410 +81,440 @@
<span class="sourceLineNo">073</span> private long responseSizeBytes = 0;<a
name="line.73"></a>
<span class="sourceLineNo">074</span> private long startTime = 0;<a
name="line.74"></a>
<span class="sourceLineNo">075</span> private long callTimeMs = 0;<a
name="line.75"></a>
-<span class="sourceLineNo">076</span><a name="line.76"></a>
-<span class="sourceLineNo">077</span> public long getRequestSizeBytes() {<a
name="line.77"></a>
-<span class="sourceLineNo">078</span> return requestSizeBytes;<a
name="line.78"></a>
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-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> public void setRequestSizeBytes(long
requestSizeBytes) {<a name="line.81"></a>
-<span class="sourceLineNo">082</span> this.requestSizeBytes =
requestSizeBytes;<a name="line.82"></a>
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-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span> public long getResponseSizeBytes()
{<a name="line.85"></a>
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name="line.86"></a>
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-<span class="sourceLineNo">088</span><a name="line.88"></a>
-<span class="sourceLineNo">089</span> public void setResponseSizeBytes(long
responseSizeBytes) {<a name="line.89"></a>
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responseSizeBytes;<a name="line.90"></a>
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-<span class="sourceLineNo">092</span><a name="line.92"></a>
-<span class="sourceLineNo">093</span> public long getStartTime() {<a
name="line.93"></a>
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name="line.94"></a>
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-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span> public void setStartTime(long
startTime) {<a name="line.97"></a>
-<span class="sourceLineNo">098</span> this.startTime = startTime;<a
name="line.98"></a>
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-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span> public long getCallTimeMs() {<a
name="line.101"></a>
-<span class="sourceLineNo">102</span> return callTimeMs;<a
name="line.102"></a>
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-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> public void setCallTimeMs(long
callTimeMs) {<a name="line.105"></a>
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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">076</span> private int concurrentCallsPerServer
= 0;<a name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span> public long getRequestSizeBytes() {<a
name="line.78"></a>
+<span class="sourceLineNo">079</span> return requestSizeBytes;<a
name="line.79"></a>
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+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public void setRequestSizeBytes(long
requestSizeBytes) {<a name="line.82"></a>
+<span class="sourceLineNo">083</span> this.requestSizeBytes =
requestSizeBytes;<a name="line.83"></a>
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+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> public long getResponseSizeBytes()
{<a name="line.86"></a>
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name="line.87"></a>
+<span class="sourceLineNo">088</span> }<a name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span> public void setResponseSizeBytes(long
responseSizeBytes) {<a name="line.90"></a>
+<span class="sourceLineNo">091</span> this.responseSizeBytes =
responseSizeBytes;<a name="line.91"></a>
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+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span> public long getStartTime() {<a
name="line.94"></a>
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name="line.95"></a>
+<span class="sourceLineNo">096</span> }<a name="line.96"></a>
+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span> public void setStartTime(long
startTime) {<a name="line.98"></a>
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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> public long getCallTimeMs() {<a
name="line.102"></a>
+<span class="sourceLineNo">103</span> return callTimeMs;<a
name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public void setCallTimeMs(long
callTimeMs) {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> this.callTimeMs = callTimeMs;<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>
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name="line.110"></a>
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CallTracker {<a name="line.111"></a>
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name="line.112"></a>
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callTimer;<a name="line.113"></a>
-<span class="sourceLineNo">114</span> @VisibleForTesting final Histogram
reqHist;<a name="line.114"></a>
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respHist;<a name="line.115"></a>
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-<span class="sourceLineNo">117</span> private CallTracker(MetricRegistry
registry, String name, String subName, String scope) {<a name="line.117"></a>
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StringBuilder(CLIENT_SVC).append("_").append(name);<a name="line.118"></a>
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name="line.119"></a>
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sb.append("(").append(subName).append(")");<a name="line.120"></a>
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-<span class="sourceLineNo">122</span> this.name = sb.toString();<a
name="line.122"></a>
-<span class="sourceLineNo">123</span> this.callTimer =
registry.timer(name(MetricsConnection.class,<a name="line.123"></a>
-<span class="sourceLineNo">124</span> DRTN_BASE + this.name, scope));<a
name="line.124"></a>
-<span class="sourceLineNo">125</span> this.reqHist =
registry.histogram(name(MetricsConnection.class,<a name="line.125"></a>
-<span class="sourceLineNo">126</span> REQ_BASE + this.name, scope));<a
name="line.126"></a>
-<span class="sourceLineNo">127</span> this.respHist =
registry.histogram(name(MetricsConnection.class,<a name="line.127"></a>
-<span class="sourceLineNo">128</span> RESP_BASE + this.name, scope));<a
name="line.128"></a>
-<span class="sourceLineNo">129</span> }<a name="line.129"></a>
-<span class="sourceLineNo">130</span><a name="line.130"></a>
-<span class="sourceLineNo">131</span> private CallTracker(MetricRegistry
registry, String name, String scope) {<a name="line.131"></a>
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scope);<a name="line.132"></a>
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-<span class="sourceLineNo">134</span><a name="line.134"></a>
-<span class="sourceLineNo">135</span> public void updateRpc(CallStats
stats) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>
this.callTimer.update(stats.getCallTimeMs(), TimeUnit.MILLISECONDS);<a
name="line.136"></a>
-<span class="sourceLineNo">137</span>
this.reqHist.update(stats.getRequestSizeBytes());<a name="line.137"></a>
-<span class="sourceLineNo">138</span>
this.respHist.update(stats.getResponseSizeBytes());<a name="line.138"></a>
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-<span class="sourceLineNo">141</span> @Override<a name="line.141"></a>
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name="line.142"></a>
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name="line.143"></a>
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-<span class="sourceLineNo">147</span> protected static class RegionStats {<a
name="line.147"></a>
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name="line.148"></a>
-<span class="sourceLineNo">149</span> final Histogram memstoreLoadHist;<a
name="line.149"></a>
-<span class="sourceLineNo">150</span> final Histogram heapOccupancyHist;<a
name="line.150"></a>
-<span class="sourceLineNo">151</span><a name="line.151"></a>
-<span class="sourceLineNo">152</span> public RegionStats(MetricRegistry
registry, String name) {<a name="line.152"></a>
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name="line.153"></a>
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registry.histogram(name(MetricsConnection.class,<a name="line.154"></a>
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name="line.155"></a>
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registry.histogram(name(MetricsConnection.class,<a name="line.156"></a>
-<span class="sourceLineNo">157</span> HEAP_BASE + this.name));<a
name="line.157"></a>
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regionStatistics) {<a name="line.160"></a>
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this.memstoreLoadHist.update(regionStatistics.getMemstoreLoad());<a
name="line.161"></a>
-<span class="sourceLineNo">162</span>
this.heapOccupancyHist.update(regionStatistics.getHeapOccupancy());<a
name="line.162"></a>
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-<span class="sourceLineNo">164</span> }<a name="line.164"></a>
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name="line.166"></a>
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name="line.167"></a>
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name="line.168"></a>
-<span class="sourceLineNo">169</span> final Counter delayRunners;<a
name="line.169"></a>
-<span class="sourceLineNo">170</span> final Histogram delayIntevalHist;<a
name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> public RunnerStats(MetricRegistry
registry) {<a name="line.172"></a>
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registry.counter(<a name="line.173"></a>
-<span class="sourceLineNo">174</span> name(MetricsConnection.class,
"normalRunnersCount"));<a name="line.174"></a>
-<span class="sourceLineNo">175</span> this.delayRunners =
registry.counter(<a name="line.175"></a>
-<span class="sourceLineNo">176</span> name(MetricsConnection.class,
"delayRunnersCount"));<a name="line.176"></a>
-<span class="sourceLineNo">177</span> this.delayIntevalHist =
registry.histogram(<a name="line.177"></a>
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"delayIntervalHist"));<a name="line.178"></a>
-<span class="sourceLineNo">179</span> }<a name="line.179"></a>
+<span class="sourceLineNo">110</span> public int
getConcurrentCallsPerServer() {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> return concurrentCallsPerServer;<a
name="line.111"></a>
+<span class="sourceLineNo">112</span> }<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span> public void
setConcurrentCallsPerServer(int callsPerServer) {<a name="line.114"></a>
+<span class="sourceLineNo">115</span> this.concurrentCallsPerServer =
callsPerServer;<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><a name="line.118"></a>
+<span class="sourceLineNo">119</span> @VisibleForTesting<a
name="line.119"></a>
+<span class="sourceLineNo">120</span> protected static final class
CallTracker {<a name="line.120"></a>
+<span class="sourceLineNo">121</span> private final String name;<a
name="line.121"></a>
+<span class="sourceLineNo">122</span> @VisibleForTesting final Timer
callTimer;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> @VisibleForTesting final Histogram
reqHist;<a name="line.123"></a>
+<span class="sourceLineNo">124</span> @VisibleForTesting final Histogram
respHist;<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> private CallTracker(MetricRegistry
registry, String name, String subName, String scope) {<a name="line.126"></a>
+<span class="sourceLineNo">127</span> StringBuilder sb = new
StringBuilder(CLIENT_SVC).append("_").append(name);<a name="line.127"></a>
+<span class="sourceLineNo">128</span> if (subName != null) {<a
name="line.128"></a>
+<span class="sourceLineNo">129</span>
sb.append("(").append(subName).append(")");<a name="line.129"></a>
+<span class="sourceLineNo">130</span> }<a name="line.130"></a>
+<span class="sourceLineNo">131</span> this.name = sb.toString();<a
name="line.131"></a>
+<span class="sourceLineNo">132</span> this.callTimer =
registry.timer(name(MetricsConnection.class,<a name="line.132"></a>
+<span class="sourceLineNo">133</span> DRTN_BASE + this.name, scope));<a
name="line.133"></a>
+<span class="sourceLineNo">134</span> this.reqHist =
registry.histogram(name(MetricsConnection.class,<a name="line.134"></a>
+<span class="sourceLineNo">135</span> REQ_BASE + this.name, scope));<a
name="line.135"></a>
+<span class="sourceLineNo">136</span> this.respHist =
registry.histogram(name(MetricsConnection.class,<a name="line.136"></a>
+<span class="sourceLineNo">137</span> RESP_BASE + this.name, scope));<a
name="line.137"></a>
+<span class="sourceLineNo">138</span> }<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span> private CallTracker(MetricRegistry
registry, String name, String scope) {<a name="line.140"></a>
+<span class="sourceLineNo">141</span> this(registry, name, null,
scope);<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> public void updateRpc(CallStats
stats) {<a name="line.144"></a>
+<span class="sourceLineNo">145</span>
this.callTimer.update(stats.getCallTimeMs(), TimeUnit.MILLISECONDS);<a
name="line.145"></a>
+<span class="sourceLineNo">146</span>
this.reqHist.update(stats.getRequestSizeBytes());<a name="line.146"></a>
+<span class="sourceLineNo">147</span>
this.respHist.update(stats.getResponseSizeBytes());<a name="line.147"></a>
+<span class="sourceLineNo">148</span> }<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span> @Override<a name="line.150"></a>
+<span class="sourceLineNo">151</span> public String toString() {<a
name="line.151"></a>
+<span class="sourceLineNo">152</span> return "CallTracker:" + name;<a
name="line.152"></a>
+<span class="sourceLineNo">153</span> }<a name="line.153"></a>
+<span class="sourceLineNo">154</span> }<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span> protected static class RegionStats {<a
name="line.156"></a>
+<span class="sourceLineNo">157</span> final String name;<a
name="line.157"></a>
+<span class="sourceLineNo">158</span> final Histogram memstoreLoadHist;<a
name="line.158"></a>
+<span class="sourceLineNo">159</span> final Histogram heapOccupancyHist;<a
name="line.159"></a>
+<span class="sourceLineNo">160</span><a name="line.160"></a>
+<span class="sourceLineNo">161</span> public RegionStats(MetricRegistry
registry, String name) {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> this.name = name;<a
name="line.162"></a>
+<span class="sourceLineNo">163</span> this.memstoreLoadHist =
registry.histogram(name(MetricsConnection.class,<a name="line.163"></a>
+<span class="sourceLineNo">164</span> MEMLOAD_BASE + this.name));<a
name="line.164"></a>
+<span class="sourceLineNo">165</span> this.heapOccupancyHist =
registry.histogram(name(MetricsConnection.class,<a name="line.165"></a>
+<span class="sourceLineNo">166</span> HEAP_BASE + this.name));<a
name="line.166"></a>
+<span class="sourceLineNo">167</span> }<a name="line.167"></a>
+<span class="sourceLineNo">168</span><a name="line.168"></a>
+<span class="sourceLineNo">169</span> public void update(RegionLoadStats
regionStatistics) {<a name="line.169"></a>
+<span class="sourceLineNo">170</span>
this.memstoreLoadHist.update(regionStatistics.getMemstoreLoad());<a
name="line.170"></a>
+<span class="sourceLineNo">171</span>
this.heapOccupancyHist.update(regionStatistics.getHeapOccupancy());<a
name="line.171"></a>
+<span class="sourceLineNo">172</span> }<a name="line.172"></a>
+<span class="sourceLineNo">173</span> }<a name="line.173"></a>
+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span> @VisibleForTesting<a
name="line.175"></a>
+<span class="sourceLineNo">176</span> protected static class RunnerStats {<a
name="line.176"></a>
+<span class="sourceLineNo">177</span> final Counter normalRunners;<a
name="line.177"></a>
+<span class="sourceLineNo">178</span> final Counter delayRunners;<a
name="line.178"></a>
+<span class="sourceLineNo">179</span> final Histogram delayIntevalHist;<a
name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
-<span class="sourceLineNo">181</span> public void incrNormalRunners() {<a
name="line.181"></a>
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name="line.185"></a>
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name="line.186"></a>
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interval) {<a name="line.189"></a>
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this.delayIntevalHist.update(interval);<a name="line.190"></a>
-<span class="sourceLineNo">191</span> }<a name="line.191"></a>
-<span class="sourceLineNo">192</span> }<a name="line.192"></a>
+<span class="sourceLineNo">181</span> public RunnerStats(MetricRegistry
registry) {<a name="line.181"></a>
+<span class="sourceLineNo">182</span> this.normalRunners =
registry.counter(<a name="line.182"></a>
+<span class="sourceLineNo">183</span> name(MetricsConnection.class,
"normalRunnersCount"));<a name="line.183"></a>
+<span class="sourceLineNo">184</span> this.delayRunners =
registry.counter(<a name="line.184"></a>
+<span class="sourceLineNo">185</span> name(MetricsConnection.class,
"delayRunnersCount"));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> this.delayIntevalHist =
registry.histogram(<a name="line.186"></a>
+<span class="sourceLineNo">187</span> name(MetricsConnection.class,
"delayIntervalHist"));<a name="line.187"></a>
+<span class="sourceLineNo">188</span> }<a name="line.188"></a>
+<span class="sourceLineNo">189</span><a name="line.189"></a>
+<span class="sourceLineNo">190</span> public void incrNormalRunners() {<a
name="line.190"></a>
+<span class="sourceLineNo">191</span> this.normalRunners.inc();<a
name="line.191"></a>
+<span class="sourceLineNo">192</span> }<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
-<span class="sourceLineNo">194</span> @VisibleForTesting<a
name="line.194"></a>
-<span class="sourceLineNo">195</span> protected
ConcurrentHashMap<ServerName, ConcurrentMap<byte[], RegionStats>>
serverStats<a name="line.195"></a>
-<span class="sourceLineNo">196</span> = new
ConcurrentHashMap<>();<a name="line.196"></a>
+<span class="sourceLineNo">194</span> public void incrDelayRunners() {<a
name="line.194"></a>
+<span class="sourceLineNo">195</span> this.delayRunners.inc();<a
name="line.195"></a>
+<span class="sourceLineNo">196</span> }<a name="line.196"></a>
<span class="sourceLineNo">197</span><a name="line.197"></a>
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updateServerStats(ServerName serverName, byte[] regionName,<a
name="line.198"></a>
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{<a name="line.199"></a>
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name="line.203"></a>
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result.getStats();<a name="line.204"></a>
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name="line.205"></a>
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regionName, stats);<a name="line.208"></a>
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updateRegionStats(ServerName serverName, byte[] regionName, RegionLoadStats
stats) {<a name="line.212"></a>
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serverName.getServerName() + "," + Bytes.toStringBinary(regionName);<a
name="line.213"></a>
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RegionStats> rsStats = computeIfAbsent(serverStats, serverName,<a
name="line.214"></a>
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ConcurrentSkipListMap<>(Bytes.BYTES_COMPARATOR));<a name="line.215"></a>
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name="line.216"></a>
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regionName, () -> new RegionStats(this.registry, name));<a
name="line.217"></a>
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name="line.218"></a>
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NewMetric<T> {<a name="line.222"></a>
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String name, String scope);<a name="line.223"></a>
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50;<a name="line.227"></a>
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java.util.HashMap#DEFAULT_LOAD_FACTOR} */<a name="line.228"></a>
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= 0.75f;<a name="line.229"></a>
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ConnectionImplementation#getBatchPool()}<a name="line.232"></a>
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name="line.237"></a>
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name="line.238"></a>
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newMetric(Class<?> clazz, String name, String scope) {<a
name="line.241"></a>
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NewMetric<Histogram> histogramFactory = new NewMetric<Histogram>()
{<a name="line.246"></a>
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newMetric(Class<?> clazz, String name, String scope) {<a
name="line.247"></a>
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registry.histogram(name(clazz, name, scope));<a name="line.248"></a>
-<span class="sourceLineNo">249</span> }<a name="line.249"></a>
-<span class="sourceLineNo">250</span> };<a name="line.250"></a>
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counterFactory = new NewMetric<Counter>() {<a name="line.252"></a>
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newMetric(Class<?> clazz, String name, String scope) {<a
name="line.253"></a>
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name, scope));<a name="line.254"></a>
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Counter metaCacheHits;<a name="line.260"></a>
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Counter metaCacheMisses;<a name="line.261"></a>
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CallTracker getTracker;<a name="line.262"></a>
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CallTracker scanTracker;<a name="line.263"></a>
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CallTracker appendTracker;<a name="line.264"></a>
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CallTracker deleteTracker;<a name="line.265"></a>
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CallTracker incrementTracker;<a name="line.266"></a>
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CallTracker putTracker;<a name="line.267"></a>
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CallTracker multiTracker;<a name="line.268"></a>
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RunnerStats runnerStats;<a name="line.269"></a>
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Counter metaCacheNumClearServer;<a name="line.270"></a>
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Counter metaCacheNumClearRegion;<a name="line.271"></a>
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-<span class="sourceLineNo">273</span> // dynamic metrics<a
name="line.273"></a>
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references to the metric instances that are managed by the<a
name="line.275"></a>
-<span class="sourceLineNo">276</span> // registry. I don't think their use
perfectly removes redundant allocations, but it's<a name="line.276"></a>
-<span class="sourceLineNo">277</span> // a big improvement over calling
registry.newMetric each time.<a name="line.277"></a>
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ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL);<a
name="line.279"></a>
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ConcurrentMap<String, Histogram> rpcHistograms =<a name="line.280"></a>
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ConcurrentHashMap<>(CAPACITY * 2 /* tracking both request and response
sizes */,<a name="line.281"></a>
-<span class="sourceLineNo">282</span> LOAD_FACTOR,
CONCURRENCY_LEVEL);<a name="line.282"></a>
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Counter> cacheDroppingExceptions =<a name="line.283"></a>
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ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL);<a
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name="line.287"></a>
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this.registry.register(getExecutorPoolName(),<a name="line.290"></a>
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name="line.295"></a>
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name="line.296"></a>
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Ratio.of(batchPool.getActiveCount(), batchPool.getMaximumPoolSize());<a
name="line.298"></a>
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this.registry.register(getMetaPoolName(),<a name="line.301"></a>
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name="line.306"></a>
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name="line.307"></a>
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Ratio.of(metaPool.getActiveCount(), metaPool.getMaximumPoolSize());<a
name="line.309"></a>
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registry.counter(name(this.getClass(), "metaCacheHits", scope));<a
name="line.312"></a>
-<span class="sourceLineNo">313</span> this.metaCacheMisses =
registry.counter(name(this.getClass(), "metaCacheMisses", scope));<a
name="line.313"></a>
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scope));<a name="line.315"></a>
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scope));<a name="line.317"></a>
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CallTracker(this.registry, "Mutate", "Increment", scope);<a name="line.322"></a>
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RunnerStats(this.registry);<a name="line.325"></a>
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{<a name="line.351"></a>
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GC?<a name="line.352"></a>
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name="line.353"></a>
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hits. */<a name="line.356"></a>
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name="line.362"></a>
-<span class="sourceLineNo">363</span> metaCacheMisses.inc();<a
name="line.363"></a>
+<span class="sourceLineNo">198</span> public void updateDelayInterval(long
interval) {<a name="line.198"></a>
+<span class="sourceLineNo">199</span>
this.delayIntevalHist.update(interval);<a name="line.199"></a>
+<span class="sourceLineNo">200</span> }<a name="line.200"></a>
+<span class="sourceLineNo">201</span> }<a name="line.201"></a>
+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span> @VisibleForTesting<a
name="line.203"></a>
+<span class="sourceLineNo">204</span> protected
ConcurrentHashMap<ServerName, ConcurrentMap<byte[], RegionStats>>
serverStats<a name="line.204"></a>
+<span class="sourceLineNo">205</span> = new
ConcurrentHashMap<>();<a name="line.205"></a>
+<span class="sourceLineNo">206</span><a name="line.206"></a>
+<span class="sourceLineNo">207</span> public void
updateServerStats(ServerName serverName, byte[] regionName,<a
name="line.207"></a>
+<span class="sourceLineNo">208</span> Object r)
{<a name="line.208"></a>
+<span class="sourceLineNo">209</span> if (!(r instanceof Result)) {<a
name="line.209"></a>
+<span class="sourceLineNo">210</span> return;<a name="line.210"></a>
+<span class="sourceLineNo">211</span> }<a name="line.211"></a>
+<span class="sourceLineNo">212</span> Result result = (Result) r;<a
name="line.212"></a>
+<span class="sourceLineNo">213</span> RegionLoadStats stats =
result.getStats();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> if (stats == null) {<a
name="line.214"></a>
+<span class="sourceLineNo">215</span> return;<a name="line.215"></a>
+<span class="sourceLineNo">216</span> }<a name="line.216"></a>
+<span class="sourceLineNo">217</span> updateRegionStats(serverName,
regionName, stats);<a name="line.217"></a>
+<span class="sourceLineNo">218</span> }<a name="line.218"></a>
+<span class="sourceLineNo">219</span><a name="line.219"></a>
+<span class="sourceLineNo">220</span> @Override<a name="line.220"></a>
+<span class="sourceLineNo">221</span> public void
updateRegionStats(ServerName serverName, byte[] regionName, RegionLoadStats
stats) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> String name =
serverName.getServerName() + "," + Bytes.toStringBinary(regionName);<a
name="line.222"></a>
+<span class="sourceLineNo">223</span> ConcurrentMap<byte[],
RegionStats> rsStats = computeIfAbsent(serverStats, serverName,<a
name="line.223"></a>
+<span class="sourceLineNo">224</span> () -> new
ConcurrentSkipListMap<>(Bytes.BYTES_COMPARATOR));<a name="line.224"></a>
+<span class="sourceLineNo">225</span> RegionStats regionStats =<a
name="line.225"></a>
+<span class="sourceLineNo">226</span> computeIfAbsent(rsStats,
regionName, () -> new RegionStats(this.registry, name));<a
name="line.226"></a>
+<span class="sourceLineNo">227</span> regionStats.update(stats);<a
name="line.227"></a>
+<span class="sourceLineNo">228</span> }<a name="line.228"></a>
+<span class="sourceLineNo">229</span><a name="line.229"></a>
+<span class="sourceLineNo">230</span> /** A lambda for dispatching to the
appropriate metric factory method */<a name="line.230"></a>
+<span class="sourceLineNo">231</span> private static interface
NewMetric<T> {<a name="line.231"></a>
+<span class="sourceLineNo">232</span> T newMetric(Class<?> clazz,
String name, String scope);<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span> /** Anticipated number of metric
entries */<a name="line.235"></a>
+<span class="sourceLineNo">236</span> private static final int CAPACITY =
50;<a name="line.236"></a>
+<span class="sourceLineNo">237</span> /** Default load factor from {@link
java.util.HashMap#DEFAULT_LOAD_FACTOR} */<a name="line.237"></a>
+<span class="sourceLineNo">238</span> private static final float LOAD_FACTOR
= 0.75f;<a name="line.238"></a>
+<span class="sourceLineNo">239</span> /**<a name="line.239"></a>
+<span class="sourceLineNo">240</span> * Anticipated number of concurrent
accessor threads, from<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * {@link
ConnectionImplementation#getBatchPool()}<a name="line.241"></a>
+<span class="sourceLineNo">242</span> */<a name="line.242"></a>
+<span class="sourceLineNo">243</span> private static final int
CONCURRENCY_LEVEL = 256;<a name="line.243"></a>
+<span class="sourceLineNo">244</span><a name="line.244"></a>
+<span class="sourceLineNo">245</span> private final MetricRegistry
registry;<a name="line.245"></a>
+<span class="sourceLineNo">246</span> private final JmxReporter reporter;<a
name="line.246"></a>
+<span class="sourceLineNo">247</span> private final String scope;<a
name="line.247"></a>
+<span class="sourceLineNo">248</span><a name="line.248"></a>
+<span class="sourceLineNo">249</span> private final NewMetric<Timer>
timerFactory = new NewMetric<Timer>() {<a name="line.249"></a>
+<span class="sourceLineNo">250</span> @Override public Timer
newMetric(Class<?> clazz, String name, String scope) {<a
name="line.250"></a>
+<span class="sourceLineNo">251</span> return registry.timer(name(clazz,
name, scope));<a name="line.251"></a>
+<span class="sourceLineNo">252</span> }<a name="line.252"></a>
+<span class="sourceLineNo">253</span> };<a name="line.253"></a>
+<span class="sourceLineNo">254</span><a name="line.254"></a>
+<span class="sourceLineNo">255</span> private final
NewMetric<Histogram> histogramFactory = new NewMetric<Histogram>()
{<a name="line.255"></a>
+<span class="sourceLineNo">256</span> @Override public Histogram
newMetric(Class<?> clazz, String name, String scope) {<a
name="line.256"></a>
+<span class="sourceLineNo">257</span> return
registry.histogram(name(clazz, name, scope));<a name="line.257"></a>
+<span class="sourceLineNo">258</span> }<a name="line.258"></a>
+<span class="sourceLineNo">259</span> };<a name="line.259"></a>
+<span class="sourceLineNo">260</span><a name="line.260"></a>
+<span class="sourceLineNo">261</span> private final NewMetric<Counter>
counterFactory = new NewMetric<Counter>() {<a name="line.261"></a>
+<span class="sourceLineNo">262</span> @Override public Counter
newMetric(Class<?> clazz, String name, String scope) {<a
name="line.262"></a>
+<span class="sourceLineNo">263</span> return registry.counter(name(clazz,
name, scope));<a name="line.263"></a>
+<span class="sourceLineNo">264</span> }<a name="line.264"></a>
+<span class="sourceLineNo">265</span> };<a name="line.265"></a>
+<span class="sourceLineNo">266</span><a name="line.266"></a>
+<span class="sourceLineNo">267</span> // static metrics<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> @VisibleForTesting protected final
Counter metaCacheHits;<a name="line.269"></a>
+<span class="sourceLineNo">270</span> @VisibleForTesting protected final
Counter metaCacheMisses;<a name="line.270"></a>
+<span class="sourceLineNo">271</span> @VisibleForTesting protected final
CallTracker getTracker;<a name="line.271"></a>
+<span class="sourceLineNo">272</span> @VisibleForTesting protected final
CallTracker scanTracker;<a name="line.272"></a>
+<span class="sourceLineNo">273</span> @VisibleForTesting protected final
CallTracker appendTracker;<a name="line.273"></a>
+<span class="sourceLineNo">274</span> @VisibleForTesting protected final
CallTracker deleteTracker;<a name="line.274"></a>
+<span class="sourceLineNo">275</span> @VisibleForTesting protected final
CallTracker incrementTracker;<a name="line.275"></a>
+<span class="sourceLineNo">276</span> @VisibleForTesting protected final
CallTracker putTracker;<a name="line.276"></a>
+<span class="sourceLineNo">277</span> @VisibleForTesting protected final
CallTracker multiTracker;<a name="line.277"></a>
+<span class="sourceLineNo">278</span> @VisibleForTesting protected final
RunnerStats runnerStats;<a name="line.278"></a>
+<span class="sourceLineNo">279</span> @VisibleForTesting protected final
Counter metaCacheNumClearServer;<a name="line.279"></a>
+<span class="sourceLineNo">280</span> @VisibleForTesting protected final
Counter metaCacheNumClearRegion;<a name="line.280"></a>
+<span class="sourceLineNo">281</span> @VisibleForTesting protected final
Counter hedgedReadOps;<a name="line.281"></a>
+<span class="sourceLineNo">282</span> @VisibleForTesting protected final
Counter hedgedReadWin;<a name="line.282"></a>
+<span class="sourceLineNo">283</span> @VisibleForTesting protected final
Histogram concurrentCallsPerServerHist;<a name="line.283"></a>
+<span class="sourceLineNo">284</span><a name="line.284"></a>
+<span class="sourceLineNo">285</span> // dynamic metrics<a
name="line.285"></a>
+<span class="sourceLineNo">286</span><a name="line.286"></a>
+<span class="sourceLineNo">287</span> // These maps are used to cache
references to the metric instances that are managed by the<a
name="line.287"></a>
+<span class="sourceLineNo">288</span> // registry. I don't think their use
perfectly removes redundant allocations, but it's<a name="line.288"></a>
+<span class="sourceLineNo">289</span> // a big improvement over calling
registry.newMetric each time.<a name="line.289"></a>
+<span class="sourceLineNo">290</span> @VisibleForTesting protected final
ConcurrentMap<String, Timer> rpcTimers =<a name="line.290"></a>
+<span class="sourceLineNo">291</span> new
ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL);<a
name="line.291"></a>
+<span class="sourceLineNo">292</span> @VisibleForTesting protected final
ConcurrentMap<String, Histogram> rpcHistograms =<a name="line.292"></a>
+<span class="sourceLineNo">293</span> new
ConcurrentHashMap<>(CAPACITY * 2 /* tracking both request and response
sizes */,<a name="line.293"></a>
+<span class="sourceLineNo">294</span> LOAD_FACTOR,
CONCURRENCY_LEVEL);<a name="line.294"></a>
+<span class="sourceLineNo">295</span> private final ConcurrentMap<String,
Counter> cacheDroppingExceptions =<a name="line.295"></a>
+<span class="sourceLineNo">296</span> new
ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL);<a
name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span> MetricsConnection(final
ConnectionImplementation conn) {<a name="line.298"></a>
+<span class="sourceLineNo">299</span> this.scope = conn.toString();<a
name="line.299"></a>
+<span class="sourceLineNo">300</span> this.registry = new
MetricRegistry();<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
+<span class="sourceLineNo">302</span>
this.registry.register(getExecutorPoolName(),<a name="line.302"></a>
+<span class="sourceLineNo">303</span> new RatioGauge() {<a
name="line.303"></a>
+<span class="sourceLineNo">304</span> @Override<a name="line.304"></a>
+<span class="sourceLineNo">305</span> protected Ratio getRatio() {<a
name="line.305"></a>
+<span class="sourceLineNo">306</span> ThreadPoolExecutor batchPool
= (ThreadPoolExecutor) conn.getCurrentBatchPool();<a name="line.306"></a>
+<span class="sourceLineNo">307</span> if (batchPool == null) {<a
name="line.307"></a>
+<span class="sourceLineNo">308</span> return Ratio.of(0, 0);<a
name="line.308"></a>
+<span class="sourceLineNo">309</span> }<a name="line.309"></a>
+<span class="sourceLineNo">310</span> return
Ratio.of(batchPool.getActiveCount(), batchPool.getMaximumPoolSize());<a
name="line.310"></a>
+<span class="sourceLineNo">311</span> }<a name="line.311"></a>
+<span class="sourceLineNo">312</span> });<a name="line.312"></a>
+<span class="sourceLineNo">313</span>
this.registry.register(getMetaPoolName(),<a name="line.313"></a>
+<span class="sourceLineNo">314</span> new RatioGauge() {<a
name="line.314"></a>
+<span class="sourceLineNo">315</span> @Override<a name="line.315"></a>
+<span class="sourceLineNo">316</span> protected Ratio getRatio() {<a
name="line.316"></a>
+<span class="sourceLineNo">317</span> ThreadPoolExecutor metaPool =
(ThreadPoolExecutor) conn.getCurrentMetaLookupPool();<a name="line.317"></a>
+<span class="sourceLineNo">318</span> if (metaPool == null) {<a
name="line.318"></a>
+<span class="sourceLineNo">319</span> return Ratio.of(0, 0);<a
name="line.319"></a>
+<span class="sourceLineNo">320</span> }<a name="line.320"></a>
+<span class="sourceLineNo">321</span> return
Ratio.of(metaPool.getActiveCount(), metaPool.getMaximumPoolSize());<a
name="line.321"></a>
+<span class="sourceLineNo">322</span> }<a name="line.322"></a>
+<span class="sourceLineNo">323</span> });<a name="line.323"></a>
+<span class="sourceLineNo">324</span> this.metaCacheHits =
registry.counter(name(this.getClass(), "metaCacheHits", scope));<a
name="line.324"></a>
+<span class="sourceLineNo">325</span> this.metaCacheMisses =
registry.counter(name(this.getClass(), "metaCacheMisses", scope));<a
name="line.325"></a>
+<span class="sourceLineNo">326</span> this.metaCacheNumClearServer =
registry.counter(name(this.getClass(),<a name="line.326"></a>
+<span class="sourceLineNo">327</span> "metaCacheNumClearServer",
scope));<a name="line.327"></a>
+<span class="sourceLineNo">328</span> this.metaCacheNumClearRegion =
registry.counter(name(this.getClass(),<a name="line.328"></a>
+<span class="sourceLineNo">329</span> "metaCacheNumClearRegion",
scope));<a name="line.329"></a>
+<span class="sourceLineNo">330</span> this.hedgedReadOps =
registry.counter(name(this.getClass(), "hedgedReadOps", scope));<a
name="line.330"></a>
+<span class="sourceLineNo">331</span> this.hedgedReadWin =
registry.counter(name(this.getClass(), "hedgedReadWin", scope));<a
name="line.331"></a>
+<span class="sourceLineNo">332</span> this.getTracker = new
CallTracker(this.registry, "Get", scope);<a name="line.332"></a>
+<span class="sourceLineNo">333</span> this.scanTracker = new
CallTracker(this.registry, "Scan", scope);<a name="line.333"></a>
+<span class="sourceLineNo">334</span> this.appendTracker = new
CallTracker(this.registry, "Mutate", "Append", scope);<a name="line.334"></a>
+<span class="sourceLineNo">335</span> this.deleteTracker = new
CallTracker(this.registry, "Mutate", "Delete", scope);<a name="line.335"></a>
+<span class="sourceLineNo">336</span> this.incrementTracker = new
CallTracker(this.registry, "Mutate", "Increment", scope);<a name="line.336"></a>
+<span class="sourceLineNo">337</span> this.putTracker = new
CallTracker(this.registry, "Mutate", "Put", scope);<a name="line.337"></a>
+<span class="sourceLineNo">338</span> this.multiTracker = new
CallTracker(this.registry, "Multi", scope);<a name="line.338"></a>
+<span class="sourceLineNo">339</span> this.runnerStats = new
RunnerStats(this.registry);<a name="line.339"></a>
+<span class="sourceLineNo">340</span> this.concurrentCallsPerServerHist =
registry.histogram(name(MetricsConnection.class, <a name="line.340"></a>
+<span class="sourceLineNo">341</span> "concurrentCallsPerServer",
scope));<a name="line.341"></a>
+<span class="sourceLineNo">342</span><a name="line.342"></a>
+<span class="sourceLineNo">343</span> this.reporter =
JmxReporter.forRegistry(this.registry).build();<a name="line.343"></a>
+<span class="sourceLineNo">344</span> this.reporter.start();<a
name="line.344"></a>
+<span class="sourceLineNo">345</span> }<a name="line.345"></a>
+<span class="sourceLineNo">346</span><a name="line.346"></a>
+<span class="sourceLineNo">347</span> @VisibleForTesting<a
name="line.347"></a>
+<span class="sourceLineNo">348</span> final String getExecutorPoolName() {<a
name="line.348"></a>
+<span class="sourceLineNo">349</span> return name(getClass(),
"executorPoolActiveThreads", scope);<a name="line.349"></a>
+<span class="sourceLineNo">350</span> }<a name="line.350"></a>
+<span class="sourceLineNo">351</span><a name="line.351"></a>
+<span class="sourceLineNo">352</span> @VisibleForTesting<a
name="line.352"></a>
+<span class="sourceLineNo">353</span> final String getMetaPoolName() {<a
name="line.353"></a>
+<span class="sourceLineNo">354</span> return name(getClass(),
"metaPoolActiveThreads", scope);<a name="line.354"></a>
+<span class="sourceLineNo">355</span> }<a name="line.355"></a>
+<span class="sourceLineNo">356</span><a name="line.356"></a>
+<span class="sourceLineNo">357</span> @VisibleForTesting<a
name="line.357"></a>
+<span class="sourceLineNo">358</span> MetricRegistry getMetricRegistry() {<a
name="line.358"></a>
+<span class="sourceLineNo">359</span> return registry;<a
name="line.359"></a>
+<span class="sourceLineNo">360</span> }<a name="line.360"></a>
+<span class="sourceLineNo">361</span><a name="line.361"></a>
+<span class="sourceLineNo">362</span> public void shutdown() {<a
name="line.362"></a>
+<span class="sourceLineNo">363</span> this.reporter.stop();<a
name="line.363"></a>
<span class="sourceLineNo">364</span> }<a name="line.364"></a>
<span class="sourceLineNo">365</span><a name="line.365"></a>
-<span class="sourceLineNo">366</span> /** Increment the number of meta cache
drops requested for entire RegionServer. */<a name="line.366"></a>
-<span class="sourceLineNo">367</span> public void
incrMetaCacheNumClearServer() {<a name="line.367"></a>
-<span class="sourceLineNo">368</span> metaCacheNumClearServer.inc();<a
name="line.368"></a>
-<span class="sourceLineNo">369</span> }<a name="line.369"></a>
-<span class="sourceLineNo">370</span><a name="line.370"></a>
-<span class="sourceLineNo">371</span> /** Increment the number of meta cache
drops requested for individual region. */<a name="line.371"></a>
-<span class="sourceLineNo">372</span> public void
incrMetaCacheNumClearRegion() {<a name="line.372"></a>
-<span class="sourceLineNo">373</span> metaCacheNumClearRegion.inc();<a
name="line.373"></a>
-<span class="sourceLineNo">374</span> }<a name="line.374"></a>
-<span class="sourceLineNo">375</span><a name="line.375"></a>
-<span class="sourceLineNo">376</span> /** Increment the number of normal
runner counts. */<a name="line.376"></a>
-<span class="sourceLineNo">377</span> public void incrNormalRunners() {<a
name="line.377"></a>
-<span class="sourceLineNo">378</span>
this.runnerStats.incrNormalRunners();<a name="line.378"></a>
-<span class="sourceLineNo">379</span> }<a name="line.379"></a>
-<span class="sourceLineNo">380</span><a name="line.380"></a>
-<span class="sourceLineNo">381</span> /** Increment the number of delay
runner counts. */<a name="line.381"></a>
-<span class="sourceLineNo">382</span> public void incrDelayRunners() {<a
name="line.382"></a>
-<span class="sourceLineNo">383</span>
this.runnerStats.incrDelayRunners();<a name="line.383"></a>
-<span class="sourceLineNo">384</span> }<a name="line.384"></a>
-<span class="sourceLineNo">385</span><a name="line.385"></a>
-<span class="sourceLineNo">386</span> /** Update delay interval of delay
runner. */<a name="line.386"></a>
-<span class="sourceLineNo">387</span> public void updateDelayInterval(long
interval) {<a name="line.387"></a>
-<span class="sourceLineNo">388</span>
this.runnerStats.updateDelayInterval(interval);<a name="line.388"></a>
-<span class="sourceLineNo">389</span> }<a name="line.389"></a>
-<span class="sourceLineNo">390</span><a name="line.390"></a>
-<span class="sourceLineNo">391</span> /**<a name="line.391"></a>
-<span class="sourceLineNo">392</span> * Get a metric for {@code key} from
{@code map}, or create it with {@code factory}.<a name="line.392"></a>
-<span class="sourceLineNo">393</span> */<a name="line.393"></a>
-<span class="sourceLineNo">394</span> private <T> T getMetric(String
key, ConcurrentMap<String, T> map, NewMetric<T> factory) {<a
name="line.394"></a>
-<span class="sourceLineNo">395</span> return computeIfAbsent(map, key, ()
-> factory.newMetric(getClass(), key, scope));<a name="line.395"></a>
-<span class="sourceLineNo">396</span> }<a name="line.396"></a>
-<span class="sourceLineNo">397</span><a name="line.397"></a>
-<span class="sourceLineNo">398</span> /** Update call stats for
non-critical-path methods */<a name="line.398"></a>
-<span class="sourceLineNo">399</span> private void
updateRpcGeneric(MethodDescriptor method, CallStats stats) {<a
name="line.399"></a>
-<span class="sourceLineNo">400</span> final String methodName =
method.getService().getName() + "_" + method.getName();<a name="line.400"></a>
-<span class="sourceLineNo">401</span> getMetric(DRTN_BASE + methodName,
rpcTimers, timerFactory)<a name="line.401"></a>
-<span class="sourceLineNo">402</span> .update(stats.getCallTimeMs(),
TimeUnit.MILLISECONDS);<a name="line.402"></a>
-<span class="sourceLineNo">403</span> getMetric(REQ_BASE + methodName,
rpcHistograms, histogramFactory)<a name="line.403"></a>
-<span class="sourceLineNo">404</span>
.update(stats.getRequestSizeBytes());<a name="line.404"></a>
-<span class="sourceLineNo">405</span> getMetric(RESP_BASE + methodName,
rpcHistograms, histogramFactory)<a name="line.405"></a>
-<span class="sourceLineNo">406</span>
.update(stats.getResponseSizeBytes());<a name="line.406"></a>
-<span class="sourceLineNo">407</span> }<a name="line.407"></a>
-<span class="sourceLineNo">408</span><a name="line.408"></a>
-<span class="sourceLineNo">409</span> /** Report RPC context to metrics
system. */<a name="line.409"></a>
-<span class="sourceLineNo">410</span> public void updateRpc(MethodDescriptor
method, Message param, CallStats stats) {<a name="line.410"></a>
-<span class="sourceLineNo">411</span> // this implementation is tied
directly to protobuf implementation details. would be better<a
name="line.411"></a>
-<span class="sourceLineNo">412</span> // if we could dispatch based on
something static, ie, request Message type.<a name="line.412"></a>
-<span class="sourceLineNo">413</span> if (method.getService() ==
ClientService.getDescriptor()) {<a name="line.413"></a>
-<span class="sourceLineNo">414</span> switch(method.getIndex()) {<a
name="line.414"></a>
-<span class="sourceLineNo">415</span> case 0:<a name="line.415"></a>
-<span class="sourceLineNo">416</span> assert
"Get".equals(method.getName());<a name="line.416"></a>
-<span class="sourceLineNo">417</span> getTracker.updateRpc(stats);<a
name="line.417"></a>
-<span class="sourceLineNo">418</span> return;<a name="line.418"></a>
-<span class="sourceLineNo">419</span> case 1:<a name="line.419"></a>
-<span class="sourceLineNo">420</span> assert
"Mutate".equals(method.getName());<a name="line.420"></a>
-<span class="sourceLineNo">421</span> final MutationType mutationType =
((MutateRequest) param).getMutation().getMutateType();<a name="line.421"></a>
-<span class="sourceLineNo">422</span> switch(mutationType) {<a
name="line.422"></a>
-<span class="sourceLineNo">423</span> case APPEND:<a
name="line.423"></a>
-<span class="sourceLineNo">424</span>
appendTracker.updateRpc(stats);<a name="line.424"></a>
-<span class="sourceLineNo">425</span> return;<a name="line.425"></a>
-<span class="sourceLineNo">426</span> case DELETE:<a
name="line.426"></a>
-<span class="sourceLineNo">427</span>
deleteTracker.updateRpc(stats);<a name="line.427"></a>
-<span class="sourceLineNo">428</span> return;<a name="line.428"></a>
-<span class="sourceLineNo">429</span> case INCREMENT:<a
name="line.429"></a>
-<span class="sourceLineNo">430</span>
incrementTracker.updateRpc(stats);<a name="line.430"></a>
-<span class="sourceLineNo">431</span> return;<a name="line.431"></a>
-<span class="sourceLineNo">432</span> case PUT:<a name="line.432"></a>
-<span class="sourceLineNo">433</span> putTracker.updateRpc(stats);<a
name="line.433"></a>
-<span class="sourceLineNo">434</span> return;<a name="line.434"></a>
-<span class="sourceLineNo">435</span> default:<a name="line.435"></a>
-<span class="sourceLineNo">436</span> throw new
RuntimeException("Unrecognized mutation type " + mutationType);<a
name="line.436"></a>
-<span class="sourceLineNo">437</span> }<a name="line.437"></a>
-<span class="sourceLineNo">438</span> case 2:<a name="line.438"></a>
-<span class="sourceLineNo">439</span> assert
"Scan".equals(method.getName());<a name="line.439"></a>
-<span class="sourceLineNo">440</span> scanTracker.updateRpc(stats);<a
name="line.440"></a>
-<span class="sourceLineNo">441</span> return;<a name="line.441"></a>
-<span class="sourceLineNo">442</span> case 3:<a name="line.442"></a>
-<span class="sourceLineNo">443</span> assert
"BulkLoadHFile".equals(method.getName());<a name="line.443"></a>
-<span class="sourceLineNo">444</span> // use generic implementation<a
name="line.444"></a>
-<span class="sourceLineNo">445</span> break;<a name="line.445"></a>
-<span class="sourceLineNo">446</span> case 4:<a name="line.446"></a>
-<span class="sourceLineNo">447</span> assert
"PrepareBulkLoad".equals(method.getName());<a name="line.447"></a>
-<span class="sourceLineNo">448</span> // use generic implementation<a
name="line.448"></a>
-<span class="sourceLineNo">449</span> break;<a name="line.449"></a>
-<span class="sourceLineNo">450</span> case 5:<a name="line.450"></a>
-<span class="sourceLineNo">451</span> assert
"CleanupBulkLoad".equals(method.getName());<a name="line.451"></a>
-<span class="sourceLineNo">452</span> // use generic implementation<a
name="line.452"></a>
-<span class="sourceLineNo">453</span> break;<a name="line.453"></a>
-<span class="sourceLineNo">454</span> case 6:<a name="line.454"></a>
-<span class="sourceLineNo">455</span> assert
"ExecService".equals(method.getName());<a name="line.455"></a>
-<span class="sourceLineNo">456</span> // use generic implementation<a
name="line.456"></a>
-<span class="sourceLineNo">457</span> break;<a name="line.457"></a>
-<span class="sourceLineNo">458</span> case 7:<a name="line.458"></a>
-<span class="sourceLineNo">459</span> assert
"ExecRegionServerService".equals(method.getName());<a name="line.459"></a>
-<span class="sourceLineNo">460</span> // use generic implementation<a
name="line.460"></a>
-<span class="sourceLineNo">461</span> break;<a name="line.461"></a>
-<span class="sourceLineNo">462</span> case 8:<a name="line.462"></a>
-<span class="sourceLineNo">463</span> assert
"Multi".equals(method.getName());<a name="line.463"></a>
-<span class="sourceLineNo">464</span> multiTracker.updateRpc(stats);<a
name="line.464"></a>
-<span class="sourceLineNo">465</span> return;<a name="line.465"></a>
-<span class="sourceLineNo">466</span> default:<a name="line.466"></a>
-<span class="sourceLineNo">467</span> throw new
RuntimeException("Unrecognized ClientService RPC type " +
method.getFullName());<a name="line.467"></a>
-<span class="sourceLineNo">468</span> }<a name="line.468"></a>
-<span class="sourceLineNo">469</span> }<a name="line.469"></a>
-<span class="sourceLineNo">470</span> // Fallback to dynamic registry
lookup for DDL methods.<a name="line.470"></a>
-<span class="sourceLineNo">471</span> updateRpcGeneric(method, stats);<a
name="line.471"></a>
-<span class="sourceLineNo">472</span> }<a name="line.472"></a>
-<span class="sourceLineNo">473</span><a name="line.473"></a>
-<span class="sourceLineNo">474</span> public void
incrCacheDroppingExceptions(Object exception) {<a name="line.474"></a>
-<span class="sourceLineNo">475</span> getMetric(CACHE_BASE +<a
name="line.475"></a>
-<span class="sourceLineNo">476</span> (exception == null?
UNKNOWN_EXCEPTION : exception.getClass().getSimpleName()),<a
name="line.476"></a>
-<span class="sourceLineNo">477</span> cacheDroppingExceptions,
counterFactory).inc();<a name="line.477"></a>
-<span class="sourceLineNo">478</span> }<a name="line.478"></a>
-<span class="sourceLineNo">479</span>}<a name="line.479"></a>
+<span class="sourceLineNo">366</span> /** Produce an instance of {@link
CallStats} for clients to attach to RPCs. */<a name="line.366"></a>
+<span class="sourceLineNo">367</span> public static CallStats newCallStats()
{<a name="line.367"></a>
+<span class="sourceLineNo">368</span> // TODO: instance pool to reduce
GC?<a name="line.368"></a>
+<span class="sourceLineNo">369</span> return new CallStats();<a
name="line.369"></a>
+<span class="sourceLineNo">370</span> }<a name="line.370"></a>
+<span class="sourceLineNo">371</span><a name="line.371"></a>
+<span class="sourceLineNo">372</span> /** Increment the number of meta cache
hits. */<a name="line.372"></a>
+<span class="sourceLineNo">373</span> public void incrMetaCacheHit() {<a
name="line.373"></a>
+<span class="sourceLineNo">374</span> metaCacheHits.inc();<a
name="line.374"></a>
+<span class="sourceLineNo">375</span> }<a name="line.375"></a>
+<span class="sourceLineNo">376</span><a name="line.376"></a>
+<span class="sourceLineNo">377</span> /** Increment the number of meta cache
misses. */<a name="line.377"></a>
+<span class="sourceLineNo">378</span> public void incrMetaCacheMiss() {<a
name="line.378"></a>
+<span class="sourceLineNo">379</span> metaCacheMisses.inc();<a
name="line.379"></a>
+<span class="sourceLineNo">380</span> }<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span> /** Increment the number of meta cache
drops requested for entire RegionServer. */<a name="line.382"></a>
+<span class="sourceLineNo">383</span> public void
incrMetaCacheNumClearServer() {<a name="line.383"></a>
+<span class="sourceLineNo">384</span> metaCacheNumClearServer.inc();<a
name="line.384"></a>
+<span class="sourceLineNo">385</span> }<a name="line.385"></a>
+<span class="sourceLineNo">386</span><a name="line.386"></a>
+<span class="sourceLineNo">387</span> /** Increment the number of meta cache
drops requested for individual region. */<a name="line.387"></a>
+<span class="sourceLineNo">388</span> public void
incrMetaCacheNumClearRegion() {<a name="line.388"></a>
+<span class="sourceLineNo">389</span> metaCacheNumClearRegion.inc();<a
name="line.389"></a>
+<span class="sourceLineNo">390</span> }<a name="line.390"></a>
+<span class="sourceLineNo">391</span><a name="line.391"></a>
+<span class="sourceLineNo">392</span> /** Increment the number of hedged read
that have occurred. */<a name="line.392"></a>
+<span class="sourceLineNo">393</span> public void incrHedgedReadOps() {<a
name="line.393"></a>
+<span class="sourceLineNo">394</span> hedgedReadOps.inc();<a
name="line.394"></a>
+<span class="sourceLineNo">395</span> }<a name="line.395"></a>
+<span class="sourceLineNo">396</span><a name="line.396"></a>
+<span class="sourceLineNo">397</span> /** Increment the number of hedged read
returned faster than the original read. */<a name="line.397"></a>
+<span class="sourceLineNo">398</span> public void incrHedgedReadWin() {<a
name="line.398"></a>
+<span class="sourceLineNo">399</span> hedgedReadWin.inc();<a
name="line.399"></a>
+<span class="sourceLineNo">400</span> }<a name="line.400"></a>
+<span class="sourceLineNo">401</span><a name="line.401"></a>
+<span class="sourceLineNo">402</span> /** Increment the number of normal
runner counts. */<a name="line.402"></a>
+<span class="sourceLineNo">403</span> public void incrNormalRunners() {<a
name="line.403"></a>
+<span class="sourceLineNo">404</span>
this.runnerStats.incrNormalRunners();<a name="line.404"></a>
+<span class="sourceLineNo">405</span> }<a name="line.405"></a>
+<span class="sourceLineNo">406</span><a name="line.406"></a>
+<span class="sourceLineNo">407</span> /** Increment the number of delay
runner counts. */<a name="line.407"></a>
+<span class="sourceLineNo">408</span> public void incrDelayRunners() {<a
name="line.408"></a>
+<span class="sourceLineNo">409</span>
this.runnerStats.incrDelayRunners();<a name="line.409"></a>
+<span class="sourceLineNo">410</span> }<a name="line.410"></a>
+<span class="sourceLineNo">411</span><a name="line.411"></a>
+<span class="sourceLineNo">412</span> /** Update delay interval of delay
runner. */<a name="line.412"></a>
+<span class="sourceLineNo">413</span> public void updateDelayInterval(long
interval) {<a name="line.413"></a>
+<span class="sourceLineNo">414</span>
this.runnerStats.updateDelayInterval(interval);<a name="line.414"></a>
+<span class="sourceLineNo">415</span> }<a name="line.415"></a>
+<span class="sourceLineNo">416</span><a name="line.416"></a>
+<span class="sourceLineNo">417</span> /**<a name="line.417"></a>
+<span class="sourceLineNo">418</span> * Get a metric for {@code key} from
{@code map}, or create it with {@code factory}.<a name="line.418"></a>
+<span class="sourceLineNo">419</span> */<a name="line.419"></a>
+<span class="sourceLineNo">420</span> private <T> T getMetric(String
key, ConcurrentMap<String, T> map, NewMetric<T> factory) {<a
name="line.420"></a>
+<span class="sourceLineNo">421</span> return computeIfAbsent(map, key, ()
-> factory.newMetric(getClass(), key, scope));<a name="line.421"></a>
+<span class="sourceLineNo">422</span> }<a name="line.422"></a>
+<span class="sourceLineNo">423</span><a name="line.423"></a>
+<span class="sourceLineNo">424</span> /** Update call stats for
non-critical-path methods */<a name="line.424"></a>
+<span class="sourceLineNo">425</span> private void
updateRpcGeneric(MethodDescriptor method, CallStats stats) {<a
name="line.425"></a>
+<span class="sourceLineNo">426</span> final String methodName =
method.getService().getName() + "_" + method.getName();<a name="line.426"></a>
+<span class="sourceLineNo">427</span> getMetric(DRTN_BASE + methodName,
rpcTimers, timerFactory)<a name="line.427"></a>
+<span class="sourceLineNo">428</span> .update(stats.getCallTimeMs(),
TimeUnit.MILLISECONDS);<a name="line.428"></a>
+<span class="sourceLineNo">429</span> getMetric(REQ_BASE + methodName,
rpcHistograms, histogramFactory)<a name="line.429"></a>
+<span class="sourceLineNo">430</span>
.update(stats.getRequestSizeBytes());<a name="line.430"></a>
+<span class="sourceLineNo">431</span> getMetric(RESP_BASE + methodName,
rpcHistograms, histogramFactory)<a name="line.431"></a>
+<span class="sourceLineNo">432</span>
.update(stats.getResponseSizeBytes());<a name="line.432"></a>
+<span class="sourceLineNo">433</span> }<a name="line.433"></a>
+<span class="sourceLineNo">434</span><a name="line.434"></a>
+<span class="sourceLineNo">435</span> /** Report RPC context to metrics
system. */<a name="line.435"></a>
+<span class="sourceLineNo">436</span> public void updateRpc(MethodDescriptor
method, Message param, CallStats stats) {<a name="line.436"></a>
+<span class="sourceLineNo">437</span> int callsPerServer =
stats.getConcurrentCallsPerServer();<a name="line.437"></a>
+<span class="sourceLineNo">438</span> if (callsPerServer > 0) {<a
name="line.438"></a>
+<span class="sourceLineNo">439</span>
concurrentCallsPerServerHist.update(callsPerServer);<a name="line.439"></a>
+<span class="sourceLineNo">440</span> }<a name="line.440"></a>
+<span class="sourceLineNo">441</span> // this implementation is tied
directly to protobuf implementation details. would be better<a
name="line.441"></a>
+<span class="sourceLineNo">442</span> // if we could dispatch based on
something static, ie, request Message type.<a name="line.442"></a>
+<span class="sourceLineNo">443</span> if (method.getService() ==
ClientService.getDescriptor()) {<a name="line.443"></a>
+<span class="sourceLineNo">444</span> switch(method.getIndex()) {<a
name="line.444"></a>
+<span class="sourceLineNo">445</span> case 0:<a name="line.445"></a>
+<span class="sourceLineNo">446</span> assert
"Get".equals(method.getName());<a name="line.446"></a>
+<span class="sourceLineNo">447</span> getTracker.updateRpc(stats);<a
name="line.447"></a>
+<span class="sourceLineNo">448</span> return;<a name="line.448"></a>
+<span class="sourceLineNo">449</span> case 1:<a name="line.449"></a>
+<span class="sourceLineNo">450</span> assert
"Mutate".equals(method.getName());<a name="line.450"></a>
+<span class="sourceLineNo">451</span> final MutationType mutationType =
((MutateRequest) param).getMutation().getMutateType();<a name="line.451"></a>
+<span class="sourceLineNo">452</span> switch(mutationType) {<a
name="line.452"></a>
+<span class="sourceLineNo">453</span> case APPEND:<a
name="line.453"></a>
+<span class="sourceLineNo">454</span>
appendTracker.updateRpc(stats);<a name="line.454"></a>
+<span class="sourceLineNo">455</span> return;<a name="line.455"></a>
+<span class="sourceLineNo">456</span> case DELETE:<a
name="line.456"></a>
+<span class="sourceLineNo">457</span>
deleteTracker.updateRpc(stats);<a name="line.457"></a>
+<span class="sourceLineNo">458</span> return;<a name="line.458"></a>
+<span class="sourceLineNo">459</span> case INCREMENT:<a
name="line.459"></a>
+<span class="sourceLineNo">460</span>
incrementTracker.updateRpc(stats);<a name="line.460"></a>
+<span class="sourceLineNo">461</span> return;<a name="line.461"></a>
+<span class="sourceLineNo">462</span> case PUT:<a name="line.462"></a>
+<span class="sourceLineNo">463</span> putTracker.updateRpc(stats);<a
name="line.463"></a>
+<span class="sourceLineNo">464</span> return;<a name="line.464"></a>
+<span class="sourceLineNo">465</span> default:<a name="line.465"></a>
+<span class="sourceLineNo">466</span> throw new
RuntimeException("Unrecognized mutation type " + mutationType);<a
name="line.466"></a>
+<span class="sourceLineNo">467</span> }<a name="line.467"></a>
+<span class="sourceLineNo">468</span> case 2:<a name="line.468"></a>
+<span class="sourceLineNo">469</span> assert
"Scan".equals(method.getName());<a name="line.469"></a>
+<span class="sourceLineNo">470</span> scanTracker.updateRpc(stats);<a
name="line.470"></a>
+<span class="sourceLineNo">471</span> return;<a name="line.471"></a>
+<span class="sourceLineNo">472</span> case 3:<a name="line.472"></a>
+<span class="sourceLineNo">473</span> assert
"BulkLoadHFile".equals(method.getName());<a name="line.473"></a>
+<span class="sourceLineNo">474</span> // use generic implementation<a
name="line.474"></a>
+<span class="sourceLineNo">475</span> break;<a name="line.475"></a>
+<span class="sourceLineNo">476</span> case 4:<a name="line.476"></a>
+<span class="sourceLineNo">477</span> assert
"PrepareBulkLoad".equals(method.getName());<a name="line.477"></a>
+<span class="sourceLineNo">478</span> // use generic implementation<a
name="line.478"></a>
+<span class="sourceLineNo">479</span> break;<a name="line.479"></a>
+<span class="sourceLineNo">480</span> case 5:<a name="line.480"></a>
+<span class="sourceLineNo">481</span> assert
"CleanupBulkLoad".equals(method.getName());<a name="line.481"></a>
+<span class="sourceLineNo">482</span> // use generic implementation<a
name="line.482"></a>
+<span class="sourceLineNo">483</span> break;<a name="line.483"></a>
+<span class="sourceLineNo">484</span> case 6:<a name="line.484"></a>
+<span class="sourceLineNo">485</span> assert
"ExecService".equals(method.getName());<a name="line.485"></a>
+<span class="sourceLineNo">486</span> // use generic implementation<a
name="line.486"></a>
+<span class="sourceLineNo">487</span> break;<a name="line.487"></a>
+<span class="sourceLineNo">488</span> case 7:<a name="line.488"></a>
+<span class="sourceLineNo">489</span> assert
"ExecRegionServerService".equals(method.getName());<a name="line.489"></a>
+<span class="sourceLineNo">490</span> // use generic implementation<a
name="line.490"></a>
+<span class="sourceLineNo">491</span> break;<a name="line.491"></a>
+<span class="sourceLineNo">492</span> case 8:<a name="line.492"></a>
+<span class="sourceLineNo">493</span> assert
"Multi".equals(method.getName());<a name="line.493"></a>
+<span class="sourceLineNo">494</span> multiTracker.updateRpc(stats);<a
name="line.494"></a>
+<span class="sourceLineNo">495</span> return;<a name="line.495"></a>
+<span class="sourceLineNo">496</span> default:<a name="line.496"></a>
+<span class="sourceLineNo">497</span> throw new
RuntimeException("Unrecognized ClientService RPC type " +
method.getFullName());<a name="line.497"></a>
+<span class="sourceLineNo">498</span> }<a name="line.498"></a>
+<span class="sourceLineNo">499</span> }<a name="line.499"></a>
+<span class="sourceLineNo">500</span> // Fallback to dynamic registry
lookup for DDL methods.<a name="line.500"></a>
+<span class="sourceLineNo">501</span> updateRpcGeneric(method, stats);<a
name="line.501"></a>
+<span class="sourceLineNo">502</span> }<a name="line.502"></a>
+<span class="sourceLineNo">503</span><a name="line.503"></a>
+<span class="sourceLineNo">504</span> public void
incrCacheDroppingExceptions(Object exception) {<a name="line.504"></a>
+<span class="sourceLineNo">505</span> getMetric(CACHE_BASE +<a
name="line.505"></a>
+<span class="sourceLineNo">506</span> (exception == null?
UNKNOWN_EXCEPTION : exception.getClass().getSimpleName()),<a
name="line.506"></a>
+<span class="sourceLineNo">507</span> cacheDroppingExceptions,
counterFactory).inc();<a name="line.507"></a>
+<span class="sourceLineNo">508</span> }<a name="line.508"></a>
+<span class="sourceLineNo">509</span>}<a name="line.509"></a>