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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 or more contributor license<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * agreements. See the NOTICE file distributed with this work for additional information regarding<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * "License"); you may not use this file except in compliance with the License. You may obtain a<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * for the specific language governing permissions and limitations under the License.<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> */<a name="line.10"></a> |
| <span class="sourceLineNo">011</span><a name="line.11"></a> |
| <span class="sourceLineNo">012</span>package org.apache.hadoop.hbase.coprocessor;<a name="line.12"></a> |
| <span class="sourceLineNo">013</span><a name="line.13"></a> |
| <span class="sourceLineNo">014</span>import static org.junit.Assert.assertTrue;<a name="line.14"></a> |
| <span class="sourceLineNo">015</span>import static org.junit.Assert.fail;<a name="line.15"></a> |
| <span class="sourceLineNo">016</span><a name="line.16"></a> |
| <span class="sourceLineNo">017</span>import java.io.IOException;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>import java.util.ArrayList;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.util.Arrays;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.Collections;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.HashMap;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Hashtable;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Iterator;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Map;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Random;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Set;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import javax.management.MBeanAttributeInfo;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import javax.management.MBeanInfo;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import javax.management.MBeanServerConnection;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import javax.management.ObjectInstance;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import javax.management.ObjectName;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import javax.management.remote.JMXConnector;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import javax.management.remote.JMXConnectorFactory;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><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.HBaseClassTestRule;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.JMXListener;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.TableName;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Get;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Put;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Table;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.testclassification.CoprocessorTests;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.hamcrest.CustomTypeSafeMatcher;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.hamcrest.Matcher;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.hamcrest.core.AllOf;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.AfterClass;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.BeforeClass;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.ClassRule;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.Test;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.junit.experimental.categories.Category;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.slf4j.Logger;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.slf4j.LoggerFactory;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span>@Category({ CoprocessorTests.class, MediumTests.class })<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>public class TestMetaTableMetrics {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> @ClassRule<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> HBaseClassTestRule.forClass(TestMetaTableMetrics.class);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static final Logger LOG = LoggerFactory.getLogger(TestMetaTableMetrics.class);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private static final TableName NAME1 = TableName.valueOf("TestExampleMetaTableMetricsOne");<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static final byte[] FAMILY = Bytes.toBytes("f");<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static final byte[] QUALIFIER = Bytes.toBytes("q");<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static final ColumnFamilyDescriptor CFD =<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).build();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private static final int NUM_ROWS = 5;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private static final String value = "foo";<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private static final String METRICS_ATTRIBUTE_NAME_PREFIX = "MetaTable_";<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private static final List<String> METRICS_ATTRIBUTE_NAME_POSTFIXES =<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> Arrays.asList("_count", "_mean_rate", "_1min_rate", "_5min_rate", "_15min_rate");<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private static int connectorPort = 61120;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private final byte[] cf = Bytes.toBytes("info");<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private final byte[] col = Bytes.toBytes("any");<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> private byte[] tablename;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private final int nthreads = 20;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> @BeforeClass<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> public static void setupBeforeClass() throws Exception {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> Configuration conf = UTIL.getConfiguration();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> // Set system coprocessor so it can be applied to meta regions<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> UTIL.getConfiguration().set("hbase.coprocessor.region.classes",<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> MetaTableMetrics.class.getName());<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> conf.set(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY, JMXListener.class.getName());<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> Random rand = new Random();<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> for (int i = 0; i < 10; i++) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> do {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> int sign = i % 2 == 0 ? 1 : -1;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> connectorPort += sign * rand.nextInt(100);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> } while (!HBaseTestingUtility.available(connectorPort));<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> try {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> conf.setInt("regionserver.rmi.registry.port", connectorPort);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> UTIL.startMiniCluster(1);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> break;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> } catch (Exception e) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> LOG.debug("Encountered exception when starting cluster. Trying port {}", connectorPort, e);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> try {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // this is to avoid "IllegalStateException: A mini-cluster is already running"<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> UTIL.shutdownMiniCluster();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> } catch (Exception ex) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> LOG.debug("Encountered exception shutting down cluster", ex);<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> }<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> @AfterClass<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public static void tearDown() throws Exception {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> UTIL.shutdownMiniCluster();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> // Verifies that meta table metrics exist in jmx. In case of one table (one region) with a single<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> // client: 9 metrics<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // are generated and for each metrics, there should be 5 JMX attributes produced. e.g. for one<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // table, there should<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> // be 5 MetaTable_table_<TableName>_request attributes, such as:<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_count<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_mean_rate<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_1min_rate<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_5min_rate<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_15min_rate<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> @Test<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> public void testMetaTableMetricsInJmx() throws Exception {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> UTIL.getAdmin()<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> .createTable(TableDescriptorBuilder.newBuilder(NAME1).setColumnFamily(CFD).build());<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> writeData(NAME1);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> UTIL.deleteTable(NAME1);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> UTIL.waitFor(30000, 2000, true, () -> {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Map<String, Double> jmxMetrics = readMetaTableJmxMetrics();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> boolean allMetricsFound = AllOf.allOf(<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> containsPositiveJmxAttributesFor("MetaTable_get_request"),<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> containsPositiveJmxAttributesFor("MetaTable_put_request"),<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> containsPositiveJmxAttributesFor("MetaTable_delete_request"),<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> containsPositiveJmxAttributesFor("MetaTable_region_.+_lossy_request"),<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> containsPositiveJmxAttributesFor("MetaTable_table_" + NAME1 + "_request"),<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> containsPositiveJmxAttributesFor("MetaTable_client_.+_put_request"),<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> containsPositiveJmxAttributesFor("MetaTable_client_.+_get_request"),<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> containsPositiveJmxAttributesFor("MetaTable_client_.+_delete_request"),<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> containsPositiveJmxAttributesFor("MetaTable_client_.+_lossy_request")<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> ).matches(jmxMetrics);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (allMetricsFound) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> LOG.info("all the meta table metrics found with positive values: {}", jmxMetrics);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> } else {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> LOG.warn("couldn't find all the meta table metrics with positive values: {}", jmxMetrics);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> return allMetricsFound;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> });<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> @Test<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> public void testConcurrentAccess() {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> try {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> tablename = Bytes.toBytes("hbase:meta");<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> int numRows = 3000;<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> int numRowsInTableBefore = UTIL.countRows(TableName.valueOf(tablename));<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> putData(numRows);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> Thread.sleep(2000);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> int numRowsInTableAfter = UTIL.countRows(TableName.valueOf(tablename));<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> assertTrue(numRowsInTableAfter >= numRowsInTableBefore + numRows);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> getData(numRows);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> } catch (InterruptedException e) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> LOG.info("Caught InterruptedException while testConcurrentAccess: {}", e.getMessage());<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> fail();<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> } catch (IOException e) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> LOG.info("Caught IOException while testConcurrentAccess: {}", e.getMessage());<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> fail();<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> private void writeData(TableName tableName) throws IOException {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> try (Table t = UTIL.getConnection().getTable(tableName)) {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> List<Put> puts = new ArrayList<>(NUM_ROWS);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> for (int i = 0; i < NUM_ROWS; i++) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> Put p = new Put(Bytes.toBytes(i + 1));<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> p.addColumn(FAMILY, QUALIFIER, Bytes.toBytes(value));<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> puts.add(p);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> t.put(puts);<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">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> private Matcher<Map<String, Double>> containsPositiveJmxAttributesFor(final String regexp) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> return new CustomTypeSafeMatcher<Map<String, Double>>(<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> "failed to find all the 5 positive JMX attributes for: " + regexp) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> @Override<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> protected boolean matchesSafely(final Map<String, Double> values) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> for (String key : values.keySet()) {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> for (String metricsNamePostfix : METRICS_ATTRIBUTE_NAME_POSTFIXES) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> if (key.matches(regexp + metricsNamePostfix) && values.get(key) > 0) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> return true;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<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> return false;<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> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span><a name="line.211"></a> |
| <span class="sourceLineNo">212</span> /**<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> * Read the attributes from Hadoop->HBase->RegionServer->MetaTableMetrics in JMX<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> * @throws IOException when fails to retrieve jmx metrics.<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> */<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> private Map<String, Double> readMetaTableJmxMetrics() throws IOException {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> JMXConnector connector = null;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> ObjectName target = null;<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> MBeanServerConnection mb = null;<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> try {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> connector =<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> JMXConnectorFactory.connect(JMXListener.buildJMXServiceURL(connectorPort, connectorPort));<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> mb = connector.getMBeanServerConnection();<a name="line.223"></a> |
| <span class="sourceLineNo">224</span><a name="line.224"></a> |
| <span class="sourceLineNo">225</span> @SuppressWarnings("JdkObsolete")<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> Hashtable<String, String> pairs = new Hashtable<>();<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> pairs.put("service", "HBase");<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> pairs.put("name", "RegionServer");<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> pairs.put("sub",<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> "Coprocessor.Region.CP_org.apache.hadoop.hbase.coprocessor.MetaTableMetrics");<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> target = new ObjectName("Hadoop", pairs);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> MBeanInfo beanInfo = mb.getMBeanInfo(target);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> Map<String, Double> existingAttrs = new HashMap<>();<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> for (MBeanAttributeInfo attrInfo : beanInfo.getAttributes()) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> Object value = mb.getAttribute(target, attrInfo.getName());<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> if (attrInfo.getName().startsWith(METRICS_ATTRIBUTE_NAME_PREFIX)<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> && value instanceof Number) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> existingAttrs.put(attrInfo.getName(), Double.parseDouble(value.toString()));<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> LOG.info("MBean Found: {}", target);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> return existingAttrs;<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> } catch (Exception e) {<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> LOG.warn("Failed to get Meta Table Metrics bean (will retry later): {}", target, e);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> if (mb != null) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> Set<ObjectInstance> instances = mb.queryMBeans(null, null);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> Iterator<ObjectInstance> iterator = instances.iterator();<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> LOG.debug("All the MBeans we found:");<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> while (iterator.hasNext()) {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> ObjectInstance instance = iterator.next();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> LOG.debug("Class and object name: {} [{}]", instance.getClassName(),<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> instance.getObjectName());<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> } finally {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> if (connector != null) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> try {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> connector.close();<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> } catch (Exception e) {<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> e.printStackTrace();<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> return Collections.emptyMap();<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> private void putData(int nrows) throws InterruptedException {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> LOG.info("Putting {} rows in hbase:meta", nrows);<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> Thread[] threads = new Thread[nthreads];<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> for (int i = 1; i <= nthreads; i++) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> threads[i - 1] = new PutThread(1, nrows);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> startThreadsAndWaitToJoin(threads);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span> private void getData(int nrows) throws InterruptedException {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> LOG.info("Getting {} rows from hbase:meta", nrows);<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> Thread[] threads = new Thread[nthreads];<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> for (int i = 1; i <= nthreads; i++) {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> threads[i - 1] = new GetThread(1, nrows);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> startThreadsAndWaitToJoin(threads);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span><a name="line.285"></a> |
| <span class="sourceLineNo">286</span> private void startThreadsAndWaitToJoin(Thread[] threads) throws InterruptedException {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> for (int i = 1; i <= nthreads; i++) {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> threads[i - 1].start();<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> }<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> for (int i = 1; i <= nthreads; i++) {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> threads[i - 1].join();<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> }<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> private class PutThread extends Thread {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> int start;<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> int end;<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> PutThread(int start, int end) {<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> this.start = start;<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> this.end = end;<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> }<a name="line.302"></a> |
| <span class="sourceLineNo">303</span><a name="line.303"></a> |
| <span class="sourceLineNo">304</span> @Override<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> public void run() {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> try (Table table = UTIL.getConnection().getTable(TableName.valueOf(tablename))) {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> for (int i = start; i <= end; i++) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> Put p = new Put(Bytes.toBytes(String.format("tableName,rowKey%d,region%d", i, i)));<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> p.addColumn(cf, col, Bytes.toBytes("Value" + i));<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> table.put(p);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> } catch (IOException e) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> LOG.warn("Caught IOException while PutThread operation", e);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> }<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> }<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> }<a name="line.316"></a> |
| <span class="sourceLineNo">317</span><a name="line.317"></a> |
| <span class="sourceLineNo">318</span> private class GetThread extends Thread {<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> int start;<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> int end;<a name="line.320"></a> |
| <span class="sourceLineNo">321</span><a name="line.321"></a> |
| <span class="sourceLineNo">322</span> GetThread(int start, int end) {<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> this.start = start;<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> this.end = end;<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span><a name="line.326"></a> |
| <span class="sourceLineNo">327</span> @Override<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> public void run() {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> try (Table table = UTIL.getConnection().getTable(TableName.valueOf(tablename))) {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> for (int i = start; i <= end; i++) {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> Get get = new Get(Bytes.toBytes(String.format("tableName,rowKey%d,region%d", i, i)));<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> table.get(get);<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> }<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> } catch (IOException e) {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> LOG.warn("Caught IOException while GetThread operation", e);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> }<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> }<a name="line.338"></a> |
| <span class="sourceLineNo">339</span>}<a name="line.339"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
