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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>package org.apache.hadoop.hbase;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertTrue;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.HashSet;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Hashtable;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Map;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.Random;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.Set;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import javax.management.MBeanAttributeInfo;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import javax.management.MBeanInfo;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import javax.management.MBeanServerConnection;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import javax.management.ObjectInstance;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import javax.management.ObjectName;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import javax.management.remote.JMXConnector;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import javax.management.remote.JMXConnectorFactory;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.conf.Configuration;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.master.balancer.BalancerTestBase;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.net.DNSToSwitchMapping;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.junit.AfterClass;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.BeforeClass;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.ClassRule;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.FixMethodOrder;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.junit.Ignore;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.junit.Test;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.experimental.categories.Category;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.runners.MethodSorters;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>@Category({ MiscTests.class, MediumTests.class })<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>@FixMethodOrder(MethodSorters.NAME_ASCENDING)<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>@Ignore<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>public class TestStochasticBalancerJmxMetrics extends BalancerTestBase {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> @ClassRule<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> HBaseClassTestRule.forClass(TestStochasticBalancerJmxMetrics.class);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static final Logger LOG = LoggerFactory.getLogger(TestStochasticBalancerJmxMetrics.class);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private static HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static int connectorPort = 61120;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private static StochasticLoadBalancer loadBalancer;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> /**<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * a simple cluster for testing JMX.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static int[] mockCluster_ensemble = new int[] { 0, 1, 2, 3 };<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static int[] mockCluster_pertable_1 = new int[] { 0, 1, 2 };<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private static int[] mockCluster_pertable_2 = new int[] { 3, 1, 1 };<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private static int[] mockCluster_pertable_namespace = new int[] { 1, 3, 1 };<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private static final String TABLE_NAME_1 = "Table1";<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private static final String TABLE_NAME_2 = "Table2";<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private static final String TABLE_NAME_NAMESPACE = "hbase:namespace";<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> private static Configuration conf = null;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> /**<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * Setup the environment for the test.<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> */<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> @BeforeClass<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public static void setupBeforeClass() throws Exception {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> conf = UTIL.getConfiguration();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> conf.setClass("hbase.util.ip.to.rack.determiner", MockMapping.class, DNSToSwitchMapping.class);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> conf.setFloat("hbase.master.balancer.stochastic.maxMovePercent", 0.75f);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> conf.setFloat("hbase.regions.slop", 0.0f);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> conf.set(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY, JMXListener.class.getName());<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> Random rand = new Random();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> for (int i = 0; i < 10; i++) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> do {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> int sign = i % 2 == 0 ? 1 : -1;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> connectorPort += sign * rand.nextInt(100);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> } while (!HBaseTestingUtility.available(connectorPort));<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> try {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> conf.setInt("regionserver.rmi.registry.port", connectorPort);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> UTIL.startMiniCluster();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> break;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> } catch (Exception e) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> LOG.debug("Encountered exception when starting cluster. Trying port " + connectorPort, e);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> try {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> // this is to avoid "IllegalStateException: A mini-cluster is already running"<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> UTIL.shutdownMiniCluster();<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> } catch (Exception ex) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> LOG.debug("Encountered exception shutting down cluster", ex);<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> }<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> @AfterClass<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public static void tearDownAfterClass() throws Exception {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> UTIL.shutdownMiniCluster();<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> /**<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * In Ensemble mode, there should be only one ensemble table<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> */<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> @Test<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> public void testJmxMetrics_EnsembleMode() throws Exception {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> loadBalancer = new StochasticLoadBalancer();<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> conf.setBoolean(HConstants.HBASE_MASTER_LOADBALANCE_BYTABLE, false);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> loadBalancer.setConf(conf);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> TableName tableName = HConstants.ENSEMBLE_TABLE_NAME;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> Map<ServerName, List<RegionInfo>> clusterState = mockClusterServers(mockCluster_ensemble);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> loadBalancer.balanceCluster(tableName, clusterState);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> String[] tableNames = new String[] { tableName.getNameAsString() };<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> String[] functionNames = loadBalancer.getCostFunctionNames();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Set<String> jmxMetrics = readJmxMetricsWithRetry();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> Set<String> expectedMetrics = getExpectedJmxMetrics(tableNames, functionNames);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> // printMetrics(jmxMetrics, "existing metrics in ensemble mode");<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> // printMetrics(expectedMetrics, "expected metrics in ensemble mode");<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> // assert that every expected is in the JMX<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> for (String expected : expectedMetrics) {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> assertTrue("Metric " + expected + " can not be found in JMX in ensemble mode.",<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> jmxMetrics.contains(expected));<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> /**<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> * In per-table mode, each table has a set of metrics<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> */<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> @Test<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> public void testJmxMetrics_PerTableMode() throws Exception {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> loadBalancer = new StochasticLoadBalancer();<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> conf.setBoolean(HConstants.HBASE_MASTER_LOADBALANCE_BYTABLE, true);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> loadBalancer.setConf(conf);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> // NOTE the size is normally set in setClusterMetrics, for test purpose, we set it manually<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> // Tables: hbase:namespace, table1, table2<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> // Functions: costFunctions, overall<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> String[] functionNames = loadBalancer.getCostFunctionNames();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> loadBalancer.updateMetricsSize(3 * (functionNames.length + 1));<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // table 1<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> TableName tableName = TableName.valueOf(TABLE_NAME_1);<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> Map<ServerName, List<RegionInfo>> clusterState = mockClusterServers(mockCluster_pertable_1);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> loadBalancer.balanceCluster(tableName, clusterState);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // table 2<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> tableName = TableName.valueOf(TABLE_NAME_2);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> clusterState = mockClusterServers(mockCluster_pertable_2);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> loadBalancer.balanceCluster(tableName, clusterState);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span><a name="line.178"></a> |
| <span class="sourceLineNo">179</span> // table hbase:namespace<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> tableName = TableName.valueOf(TABLE_NAME_NAMESPACE);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> clusterState = mockClusterServers(mockCluster_pertable_namespace);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> loadBalancer.balanceCluster(tableName, clusterState);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> String[] tableNames = new String[] { TABLE_NAME_1, TABLE_NAME_2, TABLE_NAME_NAMESPACE };<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> Set<String> jmxMetrics = readJmxMetricsWithRetry();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> Set<String> expectedMetrics = getExpectedJmxMetrics(tableNames, functionNames);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // printMetrics(jmxMetrics, "existing metrics in per-table mode");<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> // printMetrics(expectedMetrics, "expected metrics in per-table mode");<a name="line.189"></a> |
| <span class="sourceLineNo">190</span><a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // assert that every expected is in the JMX<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> for (String expected : expectedMetrics) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> assertTrue("Metric " + expected + " can not be found in JMX in per-table mode.",<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> jmxMetrics.contains(expected));<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><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> private Set<String> readJmxMetricsWithRetry() throws IOException {<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> final int count = 0;<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> for (int i = 0; i < 10; i++) {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> Set<String> metrics = readJmxMetrics();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> if (metrics != null) return metrics;<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> LOG.warn("Failed to get jmxmetrics... sleeping, retrying; " + i + " of " + count + " times");<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> Threads.sleep(1000);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> return null;<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> /**<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * Read the attributes from Hadoop->HBase->Master->Balancer in JMX<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * @throws IOException<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> */<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> private Set<String> readJmxMetrics() throws IOException {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> JMXConnector connector = null;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> ObjectName target = null;<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> MBeanServerConnection mb = null;<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> try {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> connector =<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> JMXConnectorFactory.connect(JMXListener.buildJMXServiceURL(connectorPort, connectorPort));<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> mb = connector.getMBeanServerConnection();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> Hashtable<String, String> pairs = new Hashtable<>();<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> pairs.put("service", "HBase");<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> pairs.put("name", "Master");<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> pairs.put("sub", "Balancer");<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> target = new ObjectName("Hadoop", pairs);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> MBeanInfo beanInfo = mb.getMBeanInfo(target);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> Set<String> existingAttrs = new HashSet<>();<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> for (MBeanAttributeInfo attrInfo : beanInfo.getAttributes()) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> existingAttrs.add(attrInfo.getName());<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> return existingAttrs;<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> } catch (Exception e) {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> LOG.warn("Failed to get bean!!! " + target, e);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> if (mb != null) {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> Set<ObjectInstance> instances = mb.queryMBeans(null, null);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> Iterator<ObjectInstance> iterator = instances.iterator();<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> System.out.println("MBean Found:");<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> while (iterator.hasNext()) {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> ObjectInstance instance = iterator.next();<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> System.out.println("Class Name: " + instance.getClassName());<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> System.out.println("Object Name: " + instance.getObjectName());<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> } finally {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> if (connector != null) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> try {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> connector.close();<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> } catch (Exception e) {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> e.printStackTrace();<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> return null;<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<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> * Given the tables and functions, return metrics names that should exist in JMX<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> */<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> private Set<String> getExpectedJmxMetrics(String[] tableNames, String[] functionNames) {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> Set<String> ret = new HashSet<>();<a name="line.262"></a> |
| <span class="sourceLineNo">263</span><a name="line.263"></a> |
| <span class="sourceLineNo">264</span> for (String tableName : tableNames) {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> ret.add(StochasticLoadBalancer.composeAttributeName(tableName, "Overall"));<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> for (String functionName : functionNames) {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> String metricsName = StochasticLoadBalancer.composeAttributeName(tableName, functionName);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> ret.add(metricsName);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> }<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> }<a name="line.270"></a> |
| <span class="sourceLineNo">271</span><a name="line.271"></a> |
| <span class="sourceLineNo">272</span> return ret;<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span><a name="line.274"></a> |
| <span class="sourceLineNo">275</span> private static void printMetrics(Set<String> metrics, String info) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> if (null != info) LOG.info("++++ ------ " + info + " ------");<a name="line.276"></a> |
| <span class="sourceLineNo">277</span><a name="line.277"></a> |
| <span class="sourceLineNo">278</span> LOG.info("++++ metrics count = " + metrics.size());<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> for (String str : metrics) {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> LOG.info(" ++++ " + str);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> }<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span>}<a name="line.283"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
