http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.RunnerStats.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.RunnerStats.html
b/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.RunnerStats.html
index b1686e3..8533e9d 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.RunnerStats.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/client/MetricsConnection.RunnerStats.html
@@ -60,7 +60,7 @@
<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">055</span>public class MetricsConnection implements
StatisticTrackable {<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>
@@ -207,238 +207,244 @@
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span> Result result = (Result) r;<a
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<span class="sourceLineNo">201</span> ClientProtos.RegionLoadStats stats =
result.getStats();<a name="line.201"></a>
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name="line.202"></a>
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<span class="sourceLineNo">203</span> return;<a name="line.203"></a>
<span class="sourceLineNo">204</span> }<a name="line.204"></a>
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serverName.getServerName() + "," + Bytes.toStringBinary(regionName);<a
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appropriate metric factory method */<a name="line.229"></a>
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NewMetric<T> {<a name="line.230"></a>
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String name, String scope);<a name="line.231"></a>
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{<a name="line.210"></a>
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(serverStats.containsKey(serverName)) {<a name="line.213"></a>
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serverStats.putIfAbsent(serverName,<a name="line.216"></a>
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ConcurrentSkipListMap<byte[], RegionStats>(Bytes.BYTES_COMPARATOR));<a
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<span class="sourceLineNo">232</span> }<a name="line.232"></a>
<span class="sourceLineNo">233</span><a name="line.233"></a>
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NewMetric<T> {<a name="line.236"></a>
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50;<a name="line.241"></a>
+<span class="sourceLineNo">242</span> /** Default load factor from {@link
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= 0.75f;<a name="line.243"></a>
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ConnectionImplementation#getBatchPool()}<a name="line.246"></a>
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CONCURRENCY_LEVEL = 256;<a name="line.248"></a>
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<span class="sourceLineNo">253</span><a name="line.253"></a>
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registry.histogram(name(clazz, name, scope));<a name="line.256"></a>
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newMetric(Class<?> clazz, String name, String scope) {<a
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<span class="sourceLineNo">257</span> }<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>
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Counter metaCacheHits;<a name="line.262"></a>
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Counter metaCacheMisses;<a name="line.263"></a>
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CallTracker getTracker;<a name="line.264"></a>
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CallTracker scanTracker;<a name="line.265"></a>
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CallTracker appendTracker;<a name="line.266"></a>
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CallTracker deleteTracker;<a name="line.267"></a>
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CallTracker incrementTracker;<a name="line.268"></a>
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RunnerStats runnerStats;<a name="line.271"></a>
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-<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>
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ConcurrentMap<String, Timer> rpcTimers =<a name="line.278"></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
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CONCURRENCY_LEVEL);<a name="line.282"></a>
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MetricRegistry();<a name="line.286"></a>
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(ThreadPoolExecutor) conn.getCurrentBatchPool();<a name="line.287"></a>
-<span class="sourceLineNo">288</span> final ThreadPoolExecutor metaPool =
(ThreadPoolExecutor) conn.getCurrentMetaLookupPool();<a name="line.288"></a>
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NewMetric<Histogram> histogramFactory = new NewMetric<Histogram>()
{<a name="line.260"></a>
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newMetric(Class<?> clazz, String name, String scope) {<a
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+<span class="sourceLineNo">264</span> };<a name="line.264"></a>
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Counter metaCacheHits;<a name="line.268"></a>
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Counter metaCacheMisses;<a name="line.269"></a>
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CallTracker getTracker;<a name="line.270"></a>
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CallTracker scanTracker;<a name="line.271"></a>
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CallTracker appendTracker;<a name="line.272"></a>
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CallTracker deleteTracker;<a name="line.273"></a>
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CallTracker incrementTracker;<a name="line.274"></a>
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CallTracker putTracker;<a name="line.275"></a>
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CallTracker multiTracker;<a name="line.276"></a>
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RunnerStats runnerStats;<a name="line.277"></a>
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+<span class="sourceLineNo">279</span> // dynamic metrics<a
name="line.279"></a>
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+<span class="sourceLineNo">281</span> // These maps are used to cache
references to the metric instances that are managed by the<a
name="line.281"></a>
+<span class="sourceLineNo">282</span> // registry. I don't think their use
perfectly removes redundant allocations, but it's<a name="line.282"></a>
+<span class="sourceLineNo">283</span> // a big improvement over calling
registry.newMetric each time.<a name="line.283"></a>
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ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL);<a
name="line.285"></a>
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ConcurrentMap<String, Histogram> rpcHistograms =<a name="line.286"></a>
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ConcurrentHashMap<>(CAPACITY * 2 /* tracking both request and response
sizes */,<a name="line.287"></a>
+<span class="sourceLineNo">288</span> LOAD_FACTOR,
CONCURRENCY_LEVEL);<a name="line.288"></a>
<span class="sourceLineNo">289</span><a name="line.289"></a>
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this.registry.register(name(this.getClass(), "executorPoolActiveThreads",
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Ratio.of(metaPool.getActiveCount(), metaPool.getMaximumPoolSize());<a
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registry.counter(name(this.getClass(), "metaCacheHits", scope));<a
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registry.counter(name(this.getClass(), "metaCacheMisses", scope));<a
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{<a name="line.324"></a>
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GC?<a name="line.325"></a>
-<span class="sourceLineNo">326</span> return new CallStats();<a
name="line.326"></a>
+<span class="sourceLineNo">290</span> public MetricsConnection(final
ConnectionImplementation conn) {<a name="line.290"></a>
+<span class="sourceLineNo">291</span> this.scope = conn.toString();<a
name="line.291"></a>
+<span class="sourceLineNo">292</span> this.registry = new
MetricRegistry();<a name="line.292"></a>
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+<span class="sourceLineNo">427</span> break;<a name="line.427"></a>
+<span class="sourceLineNo">428</span> case 6:<a name="line.428"></a>
+<span class="sourceLineNo">429</span> assert
"Multi".equals(method.getName());<a name="line.429"></a>
+<span class="sourceLineNo">430</span> multiTracker.updateRpc(stats);<a
name="line.430"></a>
+<span class="sourceLineNo">431</span> return;<a name="line.431"></a>
+<span class="sourceLineNo">432</span> default:<a name="line.432"></a>
+<span class="sourceLineNo">433</span> throw new
RuntimeException("Unrecognized ClientService RPC type " +
method.getFullName());<a name="line.433"></a>
+<span class="sourceLineNo">434</span> }<a name="line.434"></a>
+<span class="sourceLineNo">435</span> }<a name="line.435"></a>
+<span class="sourceLineNo">436</span> // Fallback to dynamic registry
lookup for DDL methods.<a name="line.436"></a>
+<span class="sourceLineNo">437</span> updateRpcGeneric(method, stats);<a
name="line.437"></a>
+<span class="sourceLineNo">438</span> }<a name="line.438"></a>
+<span class="sourceLineNo">439</span>}<a name="line.439"></a>
