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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.coprocessor;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertArrayEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.fail;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.ArrayList;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Arrays;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Collections;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.HashMap;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Hashtable;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.Iterator;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.List;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.Map;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.Random;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.Set;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.concurrent.ThreadLocalRandom;</span> |
| <span class="source-line-no">036</span><span id="line-36">import javax.management.MBeanAttributeInfo;</span> |
| <span class="source-line-no">037</span><span id="line-37">import javax.management.MBeanInfo;</span> |
| <span class="source-line-no">038</span><span id="line-38">import javax.management.MBeanServerConnection;</span> |
| <span class="source-line-no">039</span><span id="line-39">import javax.management.ObjectInstance;</span> |
| <span class="source-line-no">040</span><span id="line-40">import javax.management.ObjectName;</span> |
| <span class="source-line-no">041</span><span id="line-41">import javax.management.remote.JMXConnector;</span> |
| <span class="source-line-no">042</span><span id="line-42">import javax.management.remote.JMXConnectorFactory;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.JMXListener;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.client.Get;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.hbase.testclassification.CoprocessorTests;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.hamcrest.CustomTypeSafeMatcher;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.hamcrest.Matcher;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.hamcrest.core.AllOf;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.junit.AfterClass;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.junit.ClassRule;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.junit.Test;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.slf4j.Logger;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68">@Category({ CoprocessorTests.class, LargeTests.class })</span> |
| <span class="source-line-no">069</span><span id="line-69">public class TestMetaTableMetrics {</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> @ClassRule</span> |
| <span class="source-line-no">072</span><span id="line-72"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">073</span><span id="line-73"> HBaseClassTestRule.forClass(TestMetaTableMetrics.class);</span> |
| <span class="source-line-no">074</span><span id="line-74"> private static final Logger LOG = LoggerFactory.getLogger(TestMetaTableMetrics.class);</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">077</span><span id="line-77"> private static final TableName NAME1 = TableName.valueOf("TestExampleMetaTableMetricsOne");</span> |
| <span class="source-line-no">078</span><span id="line-78"> private static final byte[] FAMILY = Bytes.toBytes("f");</span> |
| <span class="source-line-no">079</span><span id="line-79"> private static final byte[] QUALIFIER = Bytes.toBytes("q");</span> |
| <span class="source-line-no">080</span><span id="line-80"> private static final ColumnFamilyDescriptor CFD =</span> |
| <span class="source-line-no">081</span><span id="line-81"> ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).build();</span> |
| <span class="source-line-no">082</span><span id="line-82"> private static final int NUM_ROWS = 5;</span> |
| <span class="source-line-no">083</span><span id="line-83"> private static final String value = "foo";</span> |
| <span class="source-line-no">084</span><span id="line-84"> private static final String METRICS_ATTRIBUTE_NAME_PREFIX = "MetaTable_";</span> |
| <span class="source-line-no">085</span><span id="line-85"> private static final List<String> METRICS_ATTRIBUTE_NAME_POSTFIXES =</span> |
| <span class="source-line-no">086</span><span id="line-86"> Arrays.asList("_count", "_mean_rate", "_1min_rate", "_5min_rate", "_15min_rate");</span> |
| <span class="source-line-no">087</span><span id="line-87"> private static int connectorPort = 61120;</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> private final byte[] cf = Bytes.toBytes("info");</span> |
| <span class="source-line-no">090</span><span id="line-90"> private final byte[] col = Bytes.toBytes("any");</span> |
| <span class="source-line-no">091</span><span id="line-91"> private byte[] tablename;</span> |
| <span class="source-line-no">092</span><span id="line-92"> private final int nthreads = 20;</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> @BeforeClass</span> |
| <span class="source-line-no">095</span><span id="line-95"> public static void setupBeforeClass() throws Exception {</span> |
| <span class="source-line-no">096</span><span id="line-96"> Configuration conf = UTIL.getConfiguration();</span> |
| <span class="source-line-no">097</span><span id="line-97"> // Set system coprocessor so it can be applied to meta regions</span> |
| <span class="source-line-no">098</span><span id="line-98"> UTIL.getConfiguration().set("hbase.coprocessor.region.classes",</span> |
| <span class="source-line-no">099</span><span id="line-99"> MetaTableMetrics.class.getName());</span> |
| <span class="source-line-no">100</span><span id="line-100"> conf.set(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY, JMXListener.class.getName());</span> |
| <span class="source-line-no">101</span><span id="line-101"> Random rand = ThreadLocalRandom.current();</span> |
| <span class="source-line-no">102</span><span id="line-102"> for (int i = 0; i < 10; i++) {</span> |
| <span class="source-line-no">103</span><span id="line-103"> do {</span> |
| <span class="source-line-no">104</span><span id="line-104"> int sign = i % 2 == 0 ? 1 : -1;</span> |
| <span class="source-line-no">105</span><span id="line-105"> connectorPort += sign * rand.nextInt(100);</span> |
| <span class="source-line-no">106</span><span id="line-106"> } while (!HBaseTestingUtil.available(connectorPort));</span> |
| <span class="source-line-no">107</span><span id="line-107"> try {</span> |
| <span class="source-line-no">108</span><span id="line-108"> conf.setInt("regionserver.rmi.registry.port", connectorPort);</span> |
| <span class="source-line-no">109</span><span id="line-109"> UTIL.startMiniCluster(1);</span> |
| <span class="source-line-no">110</span><span id="line-110"> break;</span> |
| <span class="source-line-no">111</span><span id="line-111"> } catch (Exception e) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> LOG.debug("Encountered exception when starting cluster. Trying port {}", connectorPort, e);</span> |
| <span class="source-line-no">113</span><span id="line-113"> try {</span> |
| <span class="source-line-no">114</span><span id="line-114"> // this is to avoid "IllegalStateException: A mini-cluster is already running"</span> |
| <span class="source-line-no">115</span><span id="line-115"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">116</span><span id="line-116"> } catch (Exception ex) {</span> |
| <span class="source-line-no">117</span><span id="line-117"> LOG.debug("Encountered exception shutting down cluster", ex);</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"> }</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"></span> |
| <span class="source-line-no">123</span><span id="line-123"> @AfterClass</span> |
| <span class="source-line-no">124</span><span id="line-124"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">125</span><span id="line-125"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">126</span><span id="line-126"> }</span> |
| <span class="source-line-no">127</span><span id="line-127"></span> |
| <span class="source-line-no">128</span><span id="line-128"> // Verifies that meta table metrics exist in jmx. In case of one table (one region) with a single</span> |
| <span class="source-line-no">129</span><span id="line-129"> // client: 9 metrics</span> |
| <span class="source-line-no">130</span><span id="line-130"> // are generated and for each metrics, there should be 5 JMX attributes produced. e.g. for one</span> |
| <span class="source-line-no">131</span><span id="line-131"> // table, there should</span> |
| <span class="source-line-no">132</span><span id="line-132"> // be 5 MetaTable_table_<TableName>_request attributes, such as:</span> |
| <span class="source-line-no">133</span><span id="line-133"> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_count</span> |
| <span class="source-line-no">134</span><span id="line-134"> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_mean_rate</span> |
| <span class="source-line-no">135</span><span id="line-135"> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_1min_rate</span> |
| <span class="source-line-no">136</span><span id="line-136"> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_5min_rate</span> |
| <span class="source-line-no">137</span><span id="line-137"> // - MetaTable_table_TestExampleMetaTableMetricsOne_request_15min_rate</span> |
| <span class="source-line-no">138</span><span id="line-138"> @Test</span> |
| <span class="source-line-no">139</span><span id="line-139"> public void testMetaTableMetricsInJmx() throws Exception {</span> |
| <span class="source-line-no">140</span><span id="line-140"> UTIL.getAdmin()</span> |
| <span class="source-line-no">141</span><span id="line-141"> .createTable(TableDescriptorBuilder.newBuilder(NAME1).setColumnFamily(CFD).build());</span> |
| <span class="source-line-no">142</span><span id="line-142"> assertTrue(UTIL.getAdmin().isTableEnabled(NAME1));</span> |
| <span class="source-line-no">143</span><span id="line-143"> readWriteData(NAME1);</span> |
| <span class="source-line-no">144</span><span id="line-144"> UTIL.deleteTable(NAME1);</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> UTIL.waitFor(30000, 2000, true, () -> {</span> |
| <span class="source-line-no">147</span><span id="line-147"> Map<String, Double> jmxMetrics = readMetaTableJmxMetrics();</span> |
| <span class="source-line-no">148</span><span id="line-148"> boolean allMetricsFound = AllOf</span> |
| <span class="source-line-no">149</span><span id="line-149"> .allOf(containsPositiveJmxAttributesFor("MetaTable_get_request"),</span> |
| <span class="source-line-no">150</span><span id="line-150"> containsPositiveJmxAttributesFor("MetaTable_put_request"),</span> |
| <span class="source-line-no">151</span><span id="line-151"> containsPositiveJmxAttributesFor("MetaTable_delete_request"),</span> |
| <span class="source-line-no">152</span><span id="line-152"> containsPositiveJmxAttributesFor("MetaTable_region_.+_lossy_request"),</span> |
| <span class="source-line-no">153</span><span id="line-153"> containsPositiveJmxAttributesFor("MetaTable_table_" + NAME1 + "_request"),</span> |
| <span class="source-line-no">154</span><span id="line-154"> containsPositiveJmxAttributesFor("MetaTable_client_.+_put_request"),</span> |
| <span class="source-line-no">155</span><span id="line-155"> containsPositiveJmxAttributesFor("MetaTable_client_.+_get_request"),</span> |
| <span class="source-line-no">156</span><span id="line-156"> containsPositiveJmxAttributesFor("MetaTable_client_.+_delete_request"),</span> |
| <span class="source-line-no">157</span><span id="line-157"> containsPositiveJmxAttributesFor("MetaTable_client_.+_lossy_request"))</span> |
| <span class="source-line-no">158</span><span id="line-158"> .matches(jmxMetrics);</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> if (allMetricsFound) {</span> |
| <span class="source-line-no">161</span><span id="line-161"> LOG.info("all the meta table metrics found with positive values: {}", jmxMetrics);</span> |
| <span class="source-line-no">162</span><span id="line-162"> } else {</span> |
| <span class="source-line-no">163</span><span id="line-163"> LOG.warn("couldn't find all the meta table metrics with positive values: {}", jmxMetrics);</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"> return allMetricsFound;</span> |
| <span class="source-line-no">166</span><span id="line-166"> });</span> |
| <span class="source-line-no">167</span><span id="line-167"> }</span> |
| <span class="source-line-no">168</span><span id="line-168"></span> |
| <span class="source-line-no">169</span><span id="line-169"> @Test</span> |
| <span class="source-line-no">170</span><span id="line-170"> public void testConcurrentAccess() {</span> |
| <span class="source-line-no">171</span><span id="line-171"> try {</span> |
| <span class="source-line-no">172</span><span id="line-172"> tablename = Bytes.toBytes("hbase:meta");</span> |
| <span class="source-line-no">173</span><span id="line-173"> int numRows = 3000;</span> |
| <span class="source-line-no">174</span><span id="line-174"> int numRowsInTableBefore = UTIL.countRows(TableName.valueOf(tablename));</span> |
| <span class="source-line-no">175</span><span id="line-175"> putData(numRows);</span> |
| <span class="source-line-no">176</span><span id="line-176"> Thread.sleep(2000);</span> |
| <span class="source-line-no">177</span><span id="line-177"> int numRowsInTableAfter = UTIL.countRows(TableName.valueOf(tablename));</span> |
| <span class="source-line-no">178</span><span id="line-178"> assertTrue(numRowsInTableAfter >= numRowsInTableBefore + numRows);</span> |
| <span class="source-line-no">179</span><span id="line-179"> getData(numRows);</span> |
| <span class="source-line-no">180</span><span id="line-180"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">181</span><span id="line-181"> LOG.info("Caught InterruptedException while testConcurrentAccess: {}", e.getMessage());</span> |
| <span class="source-line-no">182</span><span id="line-182"> fail();</span> |
| <span class="source-line-no">183</span><span id="line-183"> } catch (IOException e) {</span> |
| <span class="source-line-no">184</span><span id="line-184"> LOG.info("Caught IOException while testConcurrentAccess: {}", e.getMessage());</span> |
| <span class="source-line-no">185</span><span id="line-185"> fail();</span> |
| <span class="source-line-no">186</span><span id="line-186"> }</span> |
| <span class="source-line-no">187</span><span id="line-187"> }</span> |
| <span class="source-line-no">188</span><span id="line-188"></span> |
| <span class="source-line-no">189</span><span id="line-189"> private void readWriteData(TableName tableName) throws IOException {</span> |
| <span class="source-line-no">190</span><span id="line-190"> try (Table t = UTIL.getConnection().getTable(tableName)) {</span> |
| <span class="source-line-no">191</span><span id="line-191"> List<Put> puts = new ArrayList<>(NUM_ROWS);</span> |
| <span class="source-line-no">192</span><span id="line-192"> for (int i = 0; i < NUM_ROWS; i++) {</span> |
| <span class="source-line-no">193</span><span id="line-193"> Put p = new Put(Bytes.toBytes(i + 1));</span> |
| <span class="source-line-no">194</span><span id="line-194"> p.addColumn(FAMILY, QUALIFIER, Bytes.toBytes(value));</span> |
| <span class="source-line-no">195</span><span id="line-195"> puts.add(p);</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"> t.put(puts);</span> |
| <span class="source-line-no">198</span><span id="line-198"> for (int i = 0; i < NUM_ROWS; i++) {</span> |
| <span class="source-line-no">199</span><span id="line-199"> Get get = new Get(Bytes.toBytes(i + 1));</span> |
| <span class="source-line-no">200</span><span id="line-200"> assertArrayEquals(Bytes.toBytes(value), t.get(get).getValue(FAMILY, QUALIFIER));</span> |
| <span class="source-line-no">201</span><span id="line-201"> }</span> |
| <span class="source-line-no">202</span><span id="line-202"> }</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</span> |
| <span class="source-line-no">204</span><span id="line-204"></span> |
| <span class="source-line-no">205</span><span id="line-205"> private Matcher<Map<String, Double>> containsPositiveJmxAttributesFor(final String regexp) {</span> |
| <span class="source-line-no">206</span><span id="line-206"> return new CustomTypeSafeMatcher<Map<String, Double>>(</span> |
| <span class="source-line-no">207</span><span id="line-207"> "failed to find all the 5 positive JMX attributes for: " + regexp) {</span> |
| <span class="source-line-no">208</span><span id="line-208"></span> |
| <span class="source-line-no">209</span><span id="line-209"> @Override</span> |
| <span class="source-line-no">210</span><span id="line-210"> protected boolean matchesSafely(final Map<String, Double> values) {</span> |
| <span class="source-line-no">211</span><span id="line-211"> for (String key : values.keySet()) {</span> |
| <span class="source-line-no">212</span><span id="line-212"> for (String metricsNamePostfix : METRICS_ATTRIBUTE_NAME_POSTFIXES) {</span> |
| <span class="source-line-no">213</span><span id="line-213"> if (key.matches(regexp + metricsNamePostfix) && values.get(key) > 0) {</span> |
| <span class="source-line-no">214</span><span id="line-214"> return true;</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"> }</span> |
| <span class="source-line-no">217</span><span id="line-217"> }</span> |
| <span class="source-line-no">218</span><span id="line-218"> return false;</span> |
| <span class="source-line-no">219</span><span id="line-219"> }</span> |
| <span class="source-line-no">220</span><span id="line-220"> };</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"></span> |
| <span class="source-line-no">223</span><span id="line-223"> /**</span> |
| <span class="source-line-no">224</span><span id="line-224"> * Read the attributes from Hadoop->HBase->RegionServer->MetaTableMetrics in JMX</span> |
| <span class="source-line-no">225</span><span id="line-225"> * @throws IOException when fails to retrieve jmx metrics.</span> |
| <span class="source-line-no">226</span><span id="line-226"> */</span> |
| <span class="source-line-no">227</span><span id="line-227"> private Map<String, Double> readMetaTableJmxMetrics() throws IOException {</span> |
| <span class="source-line-no">228</span><span id="line-228"> JMXConnector connector = null;</span> |
| <span class="source-line-no">229</span><span id="line-229"> ObjectName target = null;</span> |
| <span class="source-line-no">230</span><span id="line-230"> MBeanServerConnection mb = null;</span> |
| <span class="source-line-no">231</span><span id="line-231"> try {</span> |
| <span class="source-line-no">232</span><span id="line-232"> connector =</span> |
| <span class="source-line-no">233</span><span id="line-233"> JMXConnectorFactory.connect(JMXListener.buildJMXServiceURL(connectorPort, connectorPort));</span> |
| <span class="source-line-no">234</span><span id="line-234"> mb = connector.getMBeanServerConnection();</span> |
| <span class="source-line-no">235</span><span id="line-235"></span> |
| <span class="source-line-no">236</span><span id="line-236"> @SuppressWarnings("JdkObsolete")</span> |
| <span class="source-line-no">237</span><span id="line-237"> Hashtable<String, String> pairs = new Hashtable<>();</span> |
| <span class="source-line-no">238</span><span id="line-238"> pairs.put("service", "HBase");</span> |
| <span class="source-line-no">239</span><span id="line-239"> pairs.put("name", "RegionServer");</span> |
| <span class="source-line-no">240</span><span id="line-240"> pairs.put("sub",</span> |
| <span class="source-line-no">241</span><span id="line-241"> "Coprocessor.Region.CP_org.apache.hadoop.hbase.coprocessor.MetaTableMetrics");</span> |
| <span class="source-line-no">242</span><span id="line-242"> target = new ObjectName("Hadoop", pairs);</span> |
| <span class="source-line-no">243</span><span id="line-243"> MBeanInfo beanInfo = mb.getMBeanInfo(target);</span> |
| <span class="source-line-no">244</span><span id="line-244"></span> |
| <span class="source-line-no">245</span><span id="line-245"> Map<String, Double> existingAttrs = new HashMap<>();</span> |
| <span class="source-line-no">246</span><span id="line-246"> for (MBeanAttributeInfo attrInfo : beanInfo.getAttributes()) {</span> |
| <span class="source-line-no">247</span><span id="line-247"> Object value = mb.getAttribute(target, attrInfo.getName());</span> |
| <span class="source-line-no">248</span><span id="line-248"> if (</span> |
| <span class="source-line-no">249</span><span id="line-249"> attrInfo.getName().startsWith(METRICS_ATTRIBUTE_NAME_PREFIX) && value instanceof Number</span> |
| <span class="source-line-no">250</span><span id="line-250"> ) {</span> |
| <span class="source-line-no">251</span><span id="line-251"> existingAttrs.put(attrInfo.getName(), Double.parseDouble(value.toString()));</span> |
| <span class="source-line-no">252</span><span id="line-252"> }</span> |
| <span class="source-line-no">253</span><span id="line-253"> }</span> |
| <span class="source-line-no">254</span><span id="line-254"> LOG.info("MBean Found: {}", target);</span> |
| <span class="source-line-no">255</span><span id="line-255"> return existingAttrs;</span> |
| <span class="source-line-no">256</span><span id="line-256"> } catch (Exception e) {</span> |
| <span class="source-line-no">257</span><span id="line-257"> LOG.warn("Failed to get Meta Table Metrics bean (will retry later): {}", target, e);</span> |
| <span class="source-line-no">258</span><span id="line-258"> if (mb != null) {</span> |
| <span class="source-line-no">259</span><span id="line-259"> Set<ObjectInstance> instances = mb.queryMBeans(null, null);</span> |
| <span class="source-line-no">260</span><span id="line-260"> Iterator<ObjectInstance> iterator = instances.iterator();</span> |
| <span class="source-line-no">261</span><span id="line-261"> LOG.debug("All the MBeans we found:");</span> |
| <span class="source-line-no">262</span><span id="line-262"> while (iterator.hasNext()) {</span> |
| <span class="source-line-no">263</span><span id="line-263"> ObjectInstance instance = iterator.next();</span> |
| <span class="source-line-no">264</span><span id="line-264"> LOG.debug("Class and object name: {} [{}]", instance.getClassName(),</span> |
| <span class="source-line-no">265</span><span id="line-265"> instance.getObjectName());</span> |
| <span class="source-line-no">266</span><span id="line-266"> }</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"> } finally {</span> |
| <span class="source-line-no">269</span><span id="line-269"> if (connector != null) {</span> |
| <span class="source-line-no">270</span><span id="line-270"> try {</span> |
| <span class="source-line-no">271</span><span id="line-271"> connector.close();</span> |
| <span class="source-line-no">272</span><span id="line-272"> } catch (Exception e) {</span> |
| <span class="source-line-no">273</span><span id="line-273"> e.printStackTrace();</span> |
| <span class="source-line-no">274</span><span id="line-274"> }</span> |
| <span class="source-line-no">275</span><span id="line-275"> }</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"> return Collections.emptyMap();</span> |
| <span class="source-line-no">278</span><span id="line-278"> }</span> |
| <span class="source-line-no">279</span><span id="line-279"></span> |
| <span class="source-line-no">280</span><span id="line-280"> private void putData(int nrows) throws InterruptedException {</span> |
| <span class="source-line-no">281</span><span id="line-281"> LOG.info("Putting {} rows in hbase:meta", nrows);</span> |
| <span class="source-line-no">282</span><span id="line-282"> Thread[] threads = new Thread[nthreads];</span> |
| <span class="source-line-no">283</span><span id="line-283"> for (int i = 1; i <= nthreads; i++) {</span> |
| <span class="source-line-no">284</span><span id="line-284"> threads[i - 1] = new PutThread(1, nrows);</span> |
| <span class="source-line-no">285</span><span id="line-285"> }</span> |
| <span class="source-line-no">286</span><span id="line-286"> startThreadsAndWaitToJoin(threads);</span> |
| <span class="source-line-no">287</span><span id="line-287"> }</span> |
| <span class="source-line-no">288</span><span id="line-288"></span> |
| <span class="source-line-no">289</span><span id="line-289"> private void getData(int nrows) throws InterruptedException {</span> |
| <span class="source-line-no">290</span><span id="line-290"> LOG.info("Getting {} rows from hbase:meta", nrows);</span> |
| <span class="source-line-no">291</span><span id="line-291"> Thread[] threads = new Thread[nthreads];</span> |
| <span class="source-line-no">292</span><span id="line-292"> for (int i = 1; i <= nthreads; i++) {</span> |
| <span class="source-line-no">293</span><span id="line-293"> threads[i - 1] = new GetThread(1, nrows);</span> |
| <span class="source-line-no">294</span><span id="line-294"> }</span> |
| <span class="source-line-no">295</span><span id="line-295"> startThreadsAndWaitToJoin(threads);</span> |
| <span class="source-line-no">296</span><span id="line-296"> }</span> |
| <span class="source-line-no">297</span><span id="line-297"></span> |
| <span class="source-line-no">298</span><span id="line-298"> private void startThreadsAndWaitToJoin(Thread[] threads) throws InterruptedException {</span> |
| <span class="source-line-no">299</span><span id="line-299"> for (int i = 1; i <= nthreads; i++) {</span> |
| <span class="source-line-no">300</span><span id="line-300"> threads[i - 1].start();</span> |
| <span class="source-line-no">301</span><span id="line-301"> }</span> |
| <span class="source-line-no">302</span><span id="line-302"> for (int i = 1; i <= nthreads; i++) {</span> |
| <span class="source-line-no">303</span><span id="line-303"> threads[i - 1].join();</span> |
| <span class="source-line-no">304</span><span id="line-304"> }</span> |
| <span class="source-line-no">305</span><span id="line-305"> }</span> |
| <span class="source-line-no">306</span><span id="line-306"></span> |
| <span class="source-line-no">307</span><span id="line-307"> private class PutThread extends Thread {</span> |
| <span class="source-line-no">308</span><span id="line-308"> int start;</span> |
| <span class="source-line-no">309</span><span id="line-309"> int end;</span> |
| <span class="source-line-no">310</span><span id="line-310"></span> |
| <span class="source-line-no">311</span><span id="line-311"> PutThread(int start, int end) {</span> |
| <span class="source-line-no">312</span><span id="line-312"> this.start = start;</span> |
| <span class="source-line-no">313</span><span id="line-313"> this.end = end;</span> |
| <span class="source-line-no">314</span><span id="line-314"> }</span> |
| <span class="source-line-no">315</span><span id="line-315"></span> |
| <span class="source-line-no">316</span><span id="line-316"> @Override</span> |
| <span class="source-line-no">317</span><span id="line-317"> public void run() {</span> |
| <span class="source-line-no">318</span><span id="line-318"> try (Table table = UTIL.getConnection().getTable(TableName.valueOf(tablename))) {</span> |
| <span class="source-line-no">319</span><span id="line-319"> for (int i = start; i <= end; i++) {</span> |
| <span class="source-line-no">320</span><span id="line-320"> Put p = new Put(Bytes.toBytes(String.format("tableName,rowKey%d,region%d", i, i)));</span> |
| <span class="source-line-no">321</span><span id="line-321"> p.addColumn(cf, col, Bytes.toBytes("Value" + i));</span> |
| <span class="source-line-no">322</span><span id="line-322"> table.put(p);</span> |
| <span class="source-line-no">323</span><span id="line-323"> }</span> |
| <span class="source-line-no">324</span><span id="line-324"> } catch (IOException e) {</span> |
| <span class="source-line-no">325</span><span id="line-325"> LOG.warn("Caught IOException while PutThread operation", e);</span> |
| <span class="source-line-no">326</span><span id="line-326"> }</span> |
| <span class="source-line-no">327</span><span id="line-327"> }</span> |
| <span class="source-line-no">328</span><span id="line-328"> }</span> |
| <span class="source-line-no">329</span><span id="line-329"></span> |
| <span class="source-line-no">330</span><span id="line-330"> private class GetThread extends Thread {</span> |
| <span class="source-line-no">331</span><span id="line-331"> int start;</span> |
| <span class="source-line-no">332</span><span id="line-332"> int end;</span> |
| <span class="source-line-no">333</span><span id="line-333"></span> |
| <span class="source-line-no">334</span><span id="line-334"> GetThread(int start, int end) {</span> |
| <span class="source-line-no">335</span><span id="line-335"> this.start = start;</span> |
| <span class="source-line-no">336</span><span id="line-336"> this.end = end;</span> |
| <span class="source-line-no">337</span><span id="line-337"> }</span> |
| <span class="source-line-no">338</span><span id="line-338"></span> |
| <span class="source-line-no">339</span><span id="line-339"> @Override</span> |
| <span class="source-line-no">340</span><span id="line-340"> public void run() {</span> |
| <span class="source-line-no">341</span><span id="line-341"> try (Table table = UTIL.getConnection().getTable(TableName.valueOf(tablename))) {</span> |
| <span class="source-line-no">342</span><span id="line-342"> for (int i = start; i <= end; i++) {</span> |
| <span class="source-line-no">343</span><span id="line-343"> Get get = new Get(Bytes.toBytes(String.format("tableName,rowKey%d,region%d", i, i)));</span> |
| <span class="source-line-no">344</span><span id="line-344"> table.get(get);</span> |
| <span class="source-line-no">345</span><span id="line-345"> }</span> |
| <span class="source-line-no">346</span><span id="line-346"> } catch (IOException e) {</span> |
| <span class="source-line-no">347</span><span id="line-347"> LOG.warn("Caught IOException while GetThread operation", e);</span> |
| <span class="source-line-no">348</span><span id="line-348"> }</span> |
| <span class="source-line-no">349</span><span id="line-349"> }</span> |
| <span class="source-line-no">350</span><span id="line-350"> }</span> |
| <span class="source-line-no">351</span><span id="line-351">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
