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Posted to commits@hbase.apache.org by mi...@apache.org on 2015/12/16 17:51:25 UTC
[40/51] [partial] hbase-site git commit: Published site at
60d33ce34191533bb858852584bd9bddfeb16a23.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/539ad177/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 0d9837b..9090c08 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
@@ -28,12 +28,12 @@
<span class="sourceLineNo">020</span>import com.google.common.annotations.VisibleForTesting;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import com.google.protobuf.Descriptors.MethodDescriptor;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import com.google.protobuf.Message;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import com.yammer.metrics.core.Counter;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import com.yammer.metrics.core.Histogram;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import com.yammer.metrics.core.MetricsRegistry;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import com.yammer.metrics.core.Timer;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import com.yammer.metrics.reporting.JmxReporter;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import com.yammer.metrics.util.RatioGauge;<a name="line.28"></a>
+<span class="sourceLineNo">023</span>import com.codahale.metrics.Counter;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import com.codahale.metrics.Histogram;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import com.codahale.metrics.MetricRegistry;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import com.codahale.metrics.Timer;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import com.codahale.metrics.JmxReporter;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import com.codahale.metrics.RatioGauge;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ServerName;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;<a name="line.31"></a>
@@ -48,394 +48,397 @@
<span class="sourceLineNo">040</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import java.util.concurrent.TimeUnit;<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
-<span class="sourceLineNo">043</span>/**<a name="line.43"></a>
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-<span class="sourceLineNo">045</span> * the metrics interfaces.<a name="line.45"></a>
-<span class="sourceLineNo">046</span> *<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * This class manages its own {@link MetricsRegistry} and {@link JmxReporter} so as to not<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * conflict with other uses of Yammer Metrics within the client application. Instantiating<a name="line.48"></a>
-<span class="sourceLineNo">049</span> * this class implicitly creates and "starts" instances of these classes; be sure to call<a name="line.49"></a>
-<span class="sourceLineNo">050</span> * {@link #shutdown()} to terminate the thread pools they allocate.<a name="line.50"></a>
-<span class="sourceLineNo">051</span> */<a name="line.51"></a>
-<span class="sourceLineNo">052</span>@InterfaceAudience.Private<a name="line.52"></a>
-<span class="sourceLineNo">053</span>public class MetricsConnection {<a name="line.53"></a>
-<span class="sourceLineNo">054</span><a name="line.54"></a>
-<span class="sourceLineNo">055</span> /** Set this key to {@code true} to enable metrics collection of client requests. */<a name="line.55"></a>
-<span class="sourceLineNo">056</span> public static final String CLIENT_SIDE_METRICS_ENABLED_KEY = "hbase.client.metrics.enable";<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span> private static final String DRTN_BASE = "rpcCallDurationMs_";<a name="line.58"></a>
-<span class="sourceLineNo">059</span> private static final String REQ_BASE = "rpcCallRequestSizeBytes_";<a name="line.59"></a>
-<span class="sourceLineNo">060</span> private static final String RESP_BASE = "rpcCallResponseSizeBytes_";<a name="line.60"></a>
-<span class="sourceLineNo">061</span> private static final String MEMLOAD_BASE = "memstoreLoad_";<a name="line.61"></a>
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-<span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span> /** A container class for collecting details about the RPC call as it percolates. */<a name="line.65"></a>
-<span class="sourceLineNo">066</span> public static class CallStats {<a name="line.66"></a>
-<span class="sourceLineNo">067</span> private long requestSizeBytes = 0;<a name="line.67"></a>
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-<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span> public long getRequestSizeBytes() {<a name="line.72"></a>
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-<span class="sourceLineNo">076</span> public void setRequestSizeBytes(long requestSizeBytes) {<a name="line.76"></a>
-<span class="sourceLineNo">077</span> this.requestSizeBytes = requestSizeBytes;<a name="line.77"></a>
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-<span class="sourceLineNo">079</span><a name="line.79"></a>
-<span class="sourceLineNo">080</span> public long getResponseSizeBytes() {<a name="line.80"></a>
-<span class="sourceLineNo">081</span> return responseSizeBytes;<a name="line.81"></a>
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-<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span> public void setResponseSizeBytes(long responseSizeBytes) {<a name="line.84"></a>
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-<span class="sourceLineNo">092</span> public void setStartTime(long startTime) {<a name="line.92"></a>
-<span class="sourceLineNo">093</span> this.startTime = startTime;<a name="line.93"></a>
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-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span> public long getCallTimeMs() {<a name="line.96"></a>
-<span class="sourceLineNo">097</span> return callTimeMs;<a name="line.97"></a>
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-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> public void setCallTimeMs(long callTimeMs) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> this.callTimeMs = callTimeMs;<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> @VisibleForTesting<a name="line.105"></a>
-<span class="sourceLineNo">106</span> protected final class CallTracker {<a name="line.106"></a>
-<span class="sourceLineNo">107</span> private final String name;<a name="line.107"></a>
-<span class="sourceLineNo">108</span> @VisibleForTesting final Timer callTimer;<a name="line.108"></a>
-<span class="sourceLineNo">109</span> @VisibleForTesting final Histogram reqHist;<a name="line.109"></a>
-<span class="sourceLineNo">110</span> @VisibleForTesting final Histogram respHist;<a name="line.110"></a>
-<span class="sourceLineNo">111</span><a name="line.111"></a>
-<span class="sourceLineNo">112</span> private CallTracker(MetricsRegistry registry, String name, String subName, String scope) {<a name="line.112"></a>
-<span class="sourceLineNo">113</span> StringBuilder sb = new StringBuilder(CLIENT_SVC).append("_").append(name);<a name="line.113"></a>
-<span class="sourceLineNo">114</span> if (subName != null) {<a name="line.114"></a>
-<span class="sourceLineNo">115</span> sb.append("(").append(subName).append(")");<a name="line.115"></a>
-<span class="sourceLineNo">116</span> }<a name="line.116"></a>
-<span class="sourceLineNo">117</span> this.name = sb.toString();<a name="line.117"></a>
-<span class="sourceLineNo">118</span> this.callTimer = registry.newTimer(MetricsConnection.class, DRTN_BASE + this.name, scope);<a name="line.118"></a>
-<span class="sourceLineNo">119</span> this.reqHist = registry.newHistogram(MetricsConnection.class, REQ_BASE + this.name, scope);<a name="line.119"></a>
-<span class="sourceLineNo">120</span> this.respHist = registry.newHistogram(MetricsConnection.class, RESP_BASE + this.name, scope);<a name="line.120"></a>
-<span class="sourceLineNo">121</span> }<a name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span> private CallTracker(MetricsRegistry registry, String name, String scope) {<a name="line.123"></a>
-<span class="sourceLineNo">124</span> this(registry, name, null, scope);<a name="line.124"></a>
-<span class="sourceLineNo">125</span> }<a name="line.125"></a>
-<span class="sourceLineNo">126</span><a name="line.126"></a>
-<span class="sourceLineNo">127</span> public void updateRpc(CallStats stats) {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> this.callTimer.update(stats.getCallTimeMs(), TimeUnit.MILLISECONDS);<a name="line.128"></a>
-<span class="sourceLineNo">129</span> this.reqHist.update(stats.getRequestSizeBytes());<a name="line.129"></a>
-<span class="sourceLineNo">130</span> this.respHist.update(stats.getResponseSizeBytes());<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> @Override<a name="line.133"></a>
-<span class="sourceLineNo">134</span> public String toString() {<a name="line.134"></a>
-<span class="sourceLineNo">135</span> return "CallTracker:" + name;<a name="line.135"></a>
+<span class="sourceLineNo">043</span>import static com.codahale.metrics.MetricRegistry.name;<a name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>/**<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * This class is for maintaining the various connection statistics and publishing them through<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * the metrics interfaces.<a name="line.47"></a>
+<span class="sourceLineNo">048</span> *<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * This class manages its own {@link MetricRegistry} and {@link JmxReporter} so as to not<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * conflict with other uses of Yammer Metrics within the client application. Instantiating<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * this class implicitly creates and "starts" instances of these classes; be sure to call<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * {@link #shutdown()} to terminate the thread pools they allocate.<a name="line.52"></a>
+<span class="sourceLineNo">053</span> */<a name="line.53"></a>
+<span class="sourceLineNo">054</span>@InterfaceAudience.Private<a name="line.54"></a>
+<span class="sourceLineNo">055</span>public class MetricsConnection {<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span> /** Set this key to {@code true} to enable metrics collection of client requests. */<a name="line.57"></a>
+<span class="sourceLineNo">058</span> public static final String CLIENT_SIDE_METRICS_ENABLED_KEY = "hbase.client.metrics.enable";<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span> private static final String DRTN_BASE = "rpcCallDurationMs_";<a name="line.60"></a>
+<span class="sourceLineNo">061</span> private static final String REQ_BASE = "rpcCallRequestSizeBytes_";<a name="line.61"></a>
+<span class="sourceLineNo">062</span> private static final String RESP_BASE = "rpcCallResponseSizeBytes_";<a name="line.62"></a>
+<span class="sourceLineNo">063</span> private static final String MEMLOAD_BASE = "memstoreLoad_";<a name="line.63"></a>
+<span class="sourceLineNo">064</span> private static final String HEAP_BASE = "heapOccupancy_";<a name="line.64"></a>
+<span class="sourceLineNo">065</span> private static final String CLIENT_SVC = ClientService.getDescriptor().getName();<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> /** A container class for collecting details about the RPC call as it percolates. */<a name="line.67"></a>
+<span class="sourceLineNo">068</span> public static class CallStats {<a name="line.68"></a>
+<span class="sourceLineNo">069</span> private long requestSizeBytes = 0;<a name="line.69"></a>
+<span class="sourceLineNo">070</span> private long responseSizeBytes = 0;<a name="line.70"></a>
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+<span class="sourceLineNo">077</span><a name="line.77"></a>
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+<span class="sourceLineNo">085</span><a name="line.85"></a>
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+<span class="sourceLineNo">093</span><a name="line.93"></a>
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+<span class="sourceLineNo">101</span><a name="line.101"></a>
+<span class="sourceLineNo">102</span> public void setCallTimeMs(long callTimeMs) {<a name="line.102"></a>
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+<span class="sourceLineNo">107</span> @VisibleForTesting<a name="line.107"></a>
+<span class="sourceLineNo">108</span> protected final class CallTracker {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> private final String name;<a name="line.109"></a>
+<span class="sourceLineNo">110</span> @VisibleForTesting final Timer callTimer;<a name="line.110"></a>
+<span class="sourceLineNo">111</span> @VisibleForTesting final Histogram reqHist;<a name="line.111"></a>
+<span class="sourceLineNo">112</span> @VisibleForTesting final Histogram respHist;<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span> private CallTracker(MetricRegistry registry, String name, String subName, String scope) {<a name="line.114"></a>
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+<span class="sourceLineNo">116</span> if (subName != null) {<a name="line.116"></a>
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+<span class="sourceLineNo">121</span> DRTN_BASE + this.name, scope));<a name="line.121"></a>
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+<span class="sourceLineNo">123</span> REQ_BASE + this.name, scope));<a name="line.123"></a>
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+<span class="sourceLineNo">125</span> RESP_BASE + this.name, scope));<a name="line.125"></a>
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+<span class="sourceLineNo">131</span><a name="line.131"></a>
+<span class="sourceLineNo">132</span> public void updateRpc(CallStats stats) {<a name="line.132"></a>
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+<span class="sourceLineNo">134</span> this.reqHist.update(stats.getRequestSizeBytes());<a name="line.134"></a>
+<span class="sourceLineNo">135</span> this.respHist.update(stats.getResponseSizeBytes());<a name="line.135"></a>
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-<span class="sourceLineNo">154</span> this.heapOccupancyHist.update(regionStatistics.getHeapOccupancy());<a name="line.154"></a>
+<span class="sourceLineNo">144</span> protected static class RegionStats {<a name="line.144"></a>
+<span class="sourceLineNo">145</span> final String name;<a name="line.145"></a>
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+<span class="sourceLineNo">147</span> final Histogram heapOccupancyHist;<a name="line.147"></a>
+<span class="sourceLineNo">148</span><a name="line.148"></a>
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+<span class="sourceLineNo">260</span> // static metrics<a name="line.260"></a>
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+<span class="sourceLineNo">262</span> @VisibleForTesting protected final Counter metaCacheHits;<a name="line.262"></a>
+<span class="sourceLineNo">263</span> @VisibleForTesting protected final Counter metaCacheMisses;<a name="line.263"></a>
+<span class="sourceLineNo">264</span> @VisibleForTesting protected final CallTracker getTracker;<a name="line.264"></a>
+<span class="sourceLineNo">265</span> @VisibleForTesting protected final CallTracker scanTracker;<a name="line.265"></a>
+<span class="sourceLineNo">266</span> @VisibleForTesting protected final CallTracker appendTracker;<a name="line.266"></a>
+<span class="sourceLineNo">267</span> @VisibleForTesting protected final CallTracker deleteTracker;<a name="line.267"></a>
+<span class="sourceLineNo">268</span> @VisibleForTesting protected final CallTracker incrementTracker;<a name="line.268"></a>
+<span class="sourceLineNo">269</span> @VisibleForTesting protected final CallTracker putTracker;<a name="line.269"></a>
+<span class="sourceLineNo">270</span> @VisibleForTesting protected final CallTracker multiTracker;<a name="line.270"></a>
+<span class="sourceLineNo">271</span> @VisibleForTesting protected final RunnerStats runnerStats;<a name="line.271"></a>
+<span class="sourceLineNo">272</span><a name="line.272"></a>
+<span class="sourceLineNo">273</span> // dynamic metrics<a name="line.273"></a>
+<span class="sourceLineNo">274</span><a name="line.274"></a>
+<span class="sourceLineNo">275</span> // These maps are used to cache 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>
+<span class="sourceLineNo">278</span> @VisibleForTesting protected final ConcurrentMap<String, Timer> rpcTimers =<a name="line.278"></a>
+<span class="sourceLineNo">279</span> new ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL);<a name="line.279"></a>
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+<span class="sourceLineNo">281</span> new 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>
+<span class="sourceLineNo">283</span><a name="line.283"></a>
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+<span class="sourceLineNo">288</span> final ThreadPoolExecutor metaPool = (ThreadPoolExecutor) conn.getCurrentMetaLookupPool();<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> this.registry.register(name(this.getClass(), "executorPoolActiveThreads", scope),<a name="line.290"></a>
+<span class="sourceLineNo">291</span> new RatioGauge() {<a name="line.291"></a>
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-<span class="sourceLineNo">310</span><a name="line.310"></a>
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-<span class="sourceLineNo">313</span> }<a name="line.313"></a>
+<span class="sourceLineNo">296</span> });<a name="line.296"></a>
+<span class="sourceLineNo">297</span> this.registry.register(name(this.getClass(), "metaPoolActiveThreads", scope),<a name="line.297"></a>
+<span class="sourceLineNo">298</span> new RatioGauge() {<a name="line.298"></a>
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+<span class="sourceLineNo">300</span> protected Ratio getRatio() {<a name="line.300"></a>
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+<span class="sourceLineNo">303</span> });<a name="line.303"></a>
+<span class="sourceLineNo">304</span> this.metaCacheHits = registry.counter(name(this.getClass(), "metaCacheHits", scope));<a name="line.304"></a>
+<span class="sourceLineNo">305</span> this.metaCacheMisses = registry.counter(name(this.getClass(), "metaCacheMisses", scope));<a name="line.305"></a>
+<span class="sourceLineNo">306</span> this.getTracker = new CallTracker(this.registry, "Get", scope);<a name="line.306"></a>
+<span class="sourceLineNo">307</span> this.scanTracker = new CallTracker(this.registry, "Scan", scope);<a name="line.307"></a>
+<span class="sourceLineNo">308</span> this.appendTracker = new CallTracker(this.registry, "Mutate", "Append", scope);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> this.deleteTracker = new CallTracker(this.registry, "Mutate", "Delete", scope);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> this.incrementTracker = new CallTracker(this.registry, "Mutate", "Increment", scope);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> this.putTracker = new CallTracker(this.registry, "Mutate", "Put", scope);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> this.multiTracker = new CallTracker(this.registry, "Multi", scope);<a name="line.312"></a>
+<span class="sourceLineNo">313</span> this.runnerStats = new RunnerStats(this.registry);<a name="line.313"></a>
<span class="sourceLineNo">314</span><a name="line.314"></a>
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-<span class="sourceLineNo">377</span> // if we could dispatch based on something static, ie, request Message type.<a name="line.377"></a>
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+<span class="sourceLineNo">333</span><a name="line.333"></a>
+<span class="sourceLineNo">334</span> /** Increment the number of meta cache misses. */<a name="line.334"></a>
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+<span class="sourceLineNo">379</span> // this implementation is tied directly to protobuf implementation details. would be better<a name="line.379"></a>
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