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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.trace;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.hadoop.conf.Configuration;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.IntegrationTestingUtility;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.testclassification.IntegrationTests;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.TableName;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.BufferedMutator;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.Get;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Put;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.Result;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Table;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.AbstractHBaseTool;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.util.ToolRunner;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.htrace.core.Sampler;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.htrace.core.TraceScope;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.junit.Test;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.junit.experimental.categories.Category;<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>import java.io.IOException;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import java.util.Random;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import java.util.concurrent.ExecutorService;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import java.util.concurrent.Executors;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import java.util.concurrent.TimeUnit;<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>@Category(IntegrationTests.class)<a name="line.51"></a>
<span class="sourceLineNo">052</span>public class IntegrationTestSendTraceRequests extends AbstractHBaseTool {<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span> public static final String TABLE_ARG = "t";<a name="line.54"></a>
<span class="sourceLineNo">055</span> public static final String CF_ARG = "f";<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span> public static final String TABLE_NAME_DEFAULT = "SendTracesTable";<a name="line.57"></a>
<span class="sourceLineNo">058</span> public static final String COLUMN_FAMILY_DEFAULT = "D";<a name="line.58"></a>
<span class="sourceLineNo">059</span> private TableName tableName = TableName.valueOf(TABLE_NAME_DEFAULT);<a name="line.59"></a>
<span class="sourceLineNo">060</span> private byte[] familyName = Bytes.toBytes(COLUMN_FAMILY_DEFAULT);<a name="line.60"></a>
<span class="sourceLineNo">061</span> private IntegrationTestingUtility util;<a name="line.61"></a>
<span class="sourceLineNo">062</span> private Random random = new Random();<a name="line.62"></a>
<span class="sourceLineNo">063</span> private Admin admin;<a name="line.63"></a>
<span class="sourceLineNo">064</span> private SpanReceiverHost receiverHost;<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span> public static void main(String[] args) throws Exception {<a name="line.66"></a>
<span class="sourceLineNo">067</span> Configuration configuration = HBaseConfiguration.create();<a name="line.67"></a>
<span class="sourceLineNo">068</span> IntegrationTestingUtility.setUseDistributedCluster(configuration);<a name="line.68"></a>
<span class="sourceLineNo">069</span> IntegrationTestSendTraceRequests tool = new IntegrationTestSendTraceRequests();<a name="line.69"></a>
<span class="sourceLineNo">070</span> ToolRunner.run(configuration, tool, args);<a name="line.70"></a>
<span class="sourceLineNo">071</span> }<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> @Override<a name="line.73"></a>
<span class="sourceLineNo">074</span> protected void addOptions() {<a name="line.74"></a>
<span class="sourceLineNo">075</span> addOptWithArg(TABLE_ARG, "The table name to target. Will be created if not there already.");<a name="line.75"></a>
<span class="sourceLineNo">076</span> addOptWithArg(CF_ARG, "The family to target");<a name="line.76"></a>
<span class="sourceLineNo">077</span> }<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span> @Override<a name="line.79"></a>
<span class="sourceLineNo">080</span> public void processOptions(CommandLine cmd) {<a name="line.80"></a>
<span class="sourceLineNo">081</span> String tableNameString = cmd.getOptionValue(TABLE_ARG, TABLE_NAME_DEFAULT);<a name="line.81"></a>
<span class="sourceLineNo">082</span> String familyString = cmd.getOptionValue(CF_ARG, COLUMN_FAMILY_DEFAULT);<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span> this.tableName = TableName.valueOf(tableNameString);<a name="line.84"></a>
<span class="sourceLineNo">085</span> this.familyName = Bytes.toBytes(familyString);<a name="line.85"></a>
<span class="sourceLineNo">086</span> }<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> @Override<a name="line.88"></a>
<span class="sourceLineNo">089</span> public int doWork() throws Exception {<a name="line.89"></a>
<span class="sourceLineNo">090</span> internalDoWork();<a name="line.90"></a>
<span class="sourceLineNo">091</span> return 0;<a name="line.91"></a>
<span class="sourceLineNo">092</span> }<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span> @Test<a name="line.94"></a>
<span class="sourceLineNo">095</span> public void internalDoWork() throws Exception {<a name="line.95"></a>
<span class="sourceLineNo">096</span> util = createUtil();<a name="line.96"></a>
<span class="sourceLineNo">097</span> admin = util.getAdmin();<a name="line.97"></a>
<span class="sourceLineNo">098</span> setupReceiver();<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span> deleteTable();<a name="line.100"></a>
<span class="sourceLineNo">101</span> createTable();<a name="line.101"></a>
<span class="sourceLineNo">102</span> LinkedBlockingQueue&lt;Long&gt; rks = insertData();<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span> ExecutorService service = Executors.newFixedThreadPool(20);<a name="line.104"></a>
<span class="sourceLineNo">105</span> doScans(service, rks);<a name="line.105"></a>
<span class="sourceLineNo">106</span> doGets(service, rks);<a name="line.106"></a>
<span class="sourceLineNo">107</span><a name="line.107"></a>
<span class="sourceLineNo">108</span> service.shutdown();<a name="line.108"></a>
<span class="sourceLineNo">109</span> service.awaitTermination(100, TimeUnit.SECONDS);<a name="line.109"></a>
<span class="sourceLineNo">110</span> Thread.sleep(90000);<a name="line.110"></a>
<span class="sourceLineNo">111</span> receiverHost.closeReceivers();<a name="line.111"></a>
<span class="sourceLineNo">112</span> util.restoreCluster();<a name="line.112"></a>
<span class="sourceLineNo">113</span> util = null;<a name="line.113"></a>
<span class="sourceLineNo">114</span> }<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span> private void doScans(ExecutorService service, final LinkedBlockingQueue&lt;Long&gt; rks) {<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span> for (int i = 0; i &lt; 100; i++) {<a name="line.118"></a>
<span class="sourceLineNo">119</span> Runnable runnable = new Runnable() {<a name="line.119"></a>
<span class="sourceLineNo">120</span> private final LinkedBlockingQueue&lt;Long&gt; rowKeyQueue = rks;<a name="line.120"></a>
<span class="sourceLineNo">121</span> @Override<a name="line.121"></a>
<span class="sourceLineNo">122</span> public void run() {<a name="line.122"></a>
<span class="sourceLineNo">123</span> ResultScanner rs = null;<a name="line.123"></a>
<span class="sourceLineNo">124</span> TraceUtil.addSampler(Sampler.ALWAYS);<a name="line.124"></a>
<span class="sourceLineNo">125</span> try (TraceScope scope = TraceUtil.createTrace("Scan")){<a name="line.125"></a>
<span class="sourceLineNo">126</span> Table ht = util.getConnection().getTable(tableName);<a name="line.126"></a>
<span class="sourceLineNo">127</span> Scan s = new Scan();<a name="line.127"></a>
<span class="sourceLineNo">128</span> s.withStartRow(Bytes.toBytes(rowKeyQueue.take()));<a name="line.128"></a>
<span class="sourceLineNo">129</span> s.setBatch(7);<a name="line.129"></a>
<span class="sourceLineNo">130</span> rs = ht.getScanner(s);<a name="line.130"></a>
<span class="sourceLineNo">131</span> // Something to keep the jvm from removing the loop.<a name="line.131"></a>
<span class="sourceLineNo">132</span> long accum = 0;<a name="line.132"></a>
<span class="sourceLineNo">133</span><a name="line.133"></a>
<span class="sourceLineNo">134</span> for(int x = 0; x &lt; 1000; x++) {<a name="line.134"></a>
<span class="sourceLineNo">135</span> Result r = rs.next();<a name="line.135"></a>
<span class="sourceLineNo">136</span> accum |= Bytes.toLong(r.getRow());<a name="line.136"></a>
<span class="sourceLineNo">137</span> }<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span> TraceUtil.addTimelineAnnotation("Accum result = " + accum);<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span> ht.close();<a name="line.141"></a>
<span class="sourceLineNo">142</span> ht = null;<a name="line.142"></a>
<span class="sourceLineNo">143</span> } catch (IOException e) {<a name="line.143"></a>
<span class="sourceLineNo">144</span> e.printStackTrace();<a name="line.144"></a>
<span class="sourceLineNo">145</span> TraceUtil.addKVAnnotation("exception", e.getClass().getSimpleName());<a name="line.145"></a>
<span class="sourceLineNo">146</span> } catch (Exception e) {<a name="line.146"></a>
<span class="sourceLineNo">147</span> } finally {<a name="line.147"></a>
<span class="sourceLineNo">148</span> if (rs != null) rs.close();<a name="line.148"></a>
<span class="sourceLineNo">149</span> }<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span> }<a name="line.151"></a>
<span class="sourceLineNo">152</span> };<a name="line.152"></a>
<span class="sourceLineNo">153</span> service.submit(runnable);<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> }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> private void doGets(ExecutorService service, final LinkedBlockingQueue&lt;Long&gt; rowKeys)<a name="line.158"></a>
<span class="sourceLineNo">159</span> throws IOException {<a name="line.159"></a>
<span class="sourceLineNo">160</span> for (int i = 0; i &lt; 100; i++) {<a name="line.160"></a>
<span class="sourceLineNo">161</span> Runnable runnable = new Runnable() {<a name="line.161"></a>
<span class="sourceLineNo">162</span> private final LinkedBlockingQueue&lt;Long&gt; rowKeyQueue = rowKeys;<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span> @Override<a name="line.164"></a>
<span class="sourceLineNo">165</span> public void run() {<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span> Table ht = null;<a name="line.168"></a>
<span class="sourceLineNo">169</span> try {<a name="line.169"></a>
<span class="sourceLineNo">170</span> ht = util.getConnection().getTable(tableName);<a name="line.170"></a>
<span class="sourceLineNo">171</span> } catch (IOException e) {<a name="line.171"></a>
<span class="sourceLineNo">172</span> e.printStackTrace();<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> long accum = 0;<a name="line.175"></a>
<span class="sourceLineNo">176</span> TraceUtil.addSampler(Sampler.ALWAYS);<a name="line.176"></a>
<span class="sourceLineNo">177</span> for (int x = 0; x &lt; 5; x++) {<a name="line.177"></a>
<span class="sourceLineNo">178</span> try (TraceScope scope = TraceUtil.createTrace("gets")) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> long rk = rowKeyQueue.take();<a name="line.179"></a>
<span class="sourceLineNo">180</span> Result r1 = ht.get(new Get(Bytes.toBytes(rk)));<a name="line.180"></a>
<span class="sourceLineNo">181</span> if (r1 != null) {<a name="line.181"></a>
<span class="sourceLineNo">182</span> accum |= Bytes.toLong(r1.getRow());<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
<span class="sourceLineNo">184</span> Result r2 = ht.get(new Get(Bytes.toBytes(rk)));<a name="line.184"></a>
<span class="sourceLineNo">185</span> if (r2 != null) {<a name="line.185"></a>
<span class="sourceLineNo">186</span> accum |= Bytes.toLong(r2.getRow());<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span> TraceUtil.addTimelineAnnotation("Accum = " + accum);<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span> } catch (IOException|InterruptedException ie) {<a name="line.190"></a>
<span class="sourceLineNo">191</span> // IGNORED<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><a name="line.194"></a>
<span class="sourceLineNo">195</span> }<a name="line.195"></a>
<span class="sourceLineNo">196</span> };<a name="line.196"></a>
<span class="sourceLineNo">197</span> service.submit(runnable);<a name="line.197"></a>
<span class="sourceLineNo">198</span> }<a name="line.198"></a>
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span> private void createTable() throws IOException {<a name="line.201"></a>
<span class="sourceLineNo">202</span> TraceUtil.addSampler(Sampler.ALWAYS);<a name="line.202"></a>
<span class="sourceLineNo">203</span> try (TraceScope scope = TraceUtil.createTrace("createTable")) {<a name="line.203"></a>
<span class="sourceLineNo">204</span> util.createTable(tableName, familyName);<a name="line.204"></a>
<span class="sourceLineNo">205</span> }<a name="line.205"></a>
<span class="sourceLineNo">206</span> }<a name="line.206"></a>
<span class="sourceLineNo">207</span><a name="line.207"></a>
<span class="sourceLineNo">208</span> private void deleteTable() throws IOException {<a name="line.208"></a>
<span class="sourceLineNo">209</span> TraceUtil.addSampler(Sampler.ALWAYS);<a name="line.209"></a>
<span class="sourceLineNo">210</span> try (TraceScope scope = TraceUtil.createTrace("deleteTable")) {<a name="line.210"></a>
<span class="sourceLineNo">211</span> if (admin.tableExists(tableName)) {<a name="line.211"></a>
<span class="sourceLineNo">212</span> util.deleteTable(tableName);<a name="line.212"></a>
<span class="sourceLineNo">213</span> }<a name="line.213"></a>
<span class="sourceLineNo">214</span> }<a name="line.214"></a>
<span class="sourceLineNo">215</span> }<a name="line.215"></a>
<span class="sourceLineNo">216</span><a name="line.216"></a>
<span class="sourceLineNo">217</span> private LinkedBlockingQueue&lt;Long&gt; insertData() throws IOException, InterruptedException {<a name="line.217"></a>
<span class="sourceLineNo">218</span> LinkedBlockingQueue&lt;Long&gt; rowKeys = new LinkedBlockingQueue&lt;&gt;(25000);<a name="line.218"></a>
<span class="sourceLineNo">219</span> BufferedMutator ht = util.getConnection().getBufferedMutator(this.tableName);<a name="line.219"></a>
<span class="sourceLineNo">220</span> byte[] value = new byte[300];<a name="line.220"></a>
<span class="sourceLineNo">221</span> TraceUtil.addSampler(Sampler.ALWAYS);<a name="line.221"></a>
<span class="sourceLineNo">222</span> for (int x = 0; x &lt; 5000; x++) {<a name="line.222"></a>
<span class="sourceLineNo">223</span> try (TraceScope traceScope = TraceUtil.createTrace("insertData")) {<a name="line.223"></a>
<span class="sourceLineNo">224</span> for (int i = 0; i &lt; 5; i++) {<a name="line.224"></a>
<span class="sourceLineNo">225</span> long rk = random.nextLong();<a name="line.225"></a>
<span class="sourceLineNo">226</span> rowKeys.add(rk);<a name="line.226"></a>
<span class="sourceLineNo">227</span> Put p = new Put(Bytes.toBytes(rk));<a name="line.227"></a>
<span class="sourceLineNo">228</span> for (int y = 0; y &lt; 10; y++) {<a name="line.228"></a>
<span class="sourceLineNo">229</span> random.nextBytes(value);<a name="line.229"></a>
<span class="sourceLineNo">230</span> p.addColumn(familyName, Bytes.toBytes(random.nextLong()), value);<a name="line.230"></a>
<span class="sourceLineNo">231</span> }<a name="line.231"></a>
<span class="sourceLineNo">232</span> ht.mutate(p);<a name="line.232"></a>
<span class="sourceLineNo">233</span> }<a name="line.233"></a>
<span class="sourceLineNo">234</span> if ((x % 1000) == 0) {<a name="line.234"></a>
<span class="sourceLineNo">235</span> admin.flush(tableName);<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span> }<a name="line.237"></a>
<span class="sourceLineNo">238</span> }<a name="line.238"></a>
<span class="sourceLineNo">239</span> admin.flush(tableName);<a name="line.239"></a>
<span class="sourceLineNo">240</span> return rowKeys;<a name="line.240"></a>
<span class="sourceLineNo">241</span> }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span> private IntegrationTestingUtility createUtil() throws Exception {<a name="line.243"></a>
<span class="sourceLineNo">244</span> Configuration conf = getConf();<a name="line.244"></a>
<span class="sourceLineNo">245</span> if (this.util == null) {<a name="line.245"></a>
<span class="sourceLineNo">246</span> IntegrationTestingUtility u;<a name="line.246"></a>
<span class="sourceLineNo">247</span> if (conf == null) {<a name="line.247"></a>
<span class="sourceLineNo">248</span> u = new IntegrationTestingUtility();<a name="line.248"></a>
<span class="sourceLineNo">249</span> } else {<a name="line.249"></a>
<span class="sourceLineNo">250</span> u = new IntegrationTestingUtility(conf);<a name="line.250"></a>
<span class="sourceLineNo">251</span> }<a name="line.251"></a>
<span class="sourceLineNo">252</span> util = u;<a name="line.252"></a>
<span class="sourceLineNo">253</span> util.initializeCluster(1);<a name="line.253"></a>
<span class="sourceLineNo">254</span><a name="line.254"></a>
<span class="sourceLineNo">255</span> }<a name="line.255"></a>
<span class="sourceLineNo">256</span> return this.util;<a name="line.256"></a>
<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> private void setupReceiver() {<a name="line.259"></a>
<span class="sourceLineNo">260</span> Configuration conf = new Configuration(util.getConfiguration());<a name="line.260"></a>
<span class="sourceLineNo">261</span> conf.setBoolean("hbase.zipkin.is-in-client-mode", true);<a name="line.261"></a>
<span class="sourceLineNo">262</span><a name="line.262"></a>
<span class="sourceLineNo">263</span> this.receiverHost = SpanReceiverHost.getInstance(conf);<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>
</pre>
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