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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;</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.assertEquals;</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"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.lang.reflect.InvocationTargetException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.lang.reflect.Method;</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.Collection;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.EnumSet;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.List;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Map;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.ClusterMetrics.Option;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.MiscTests;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.AfterClass;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.ClassRule;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.Test;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.slf4j.Logger;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hbase.thirdparty.com.google.common.collect.Maps;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49">@Category({ MiscTests.class, MediumTests.class })</span> |
| <span class="source-line-no">050</span><span id="line-50">public class TestRegionMetrics {</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> @ClassRule</span> |
| <span class="source-line-no">053</span><span id="line-53"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">054</span><span id="line-54"> HBaseClassTestRule.forClass(TestRegionMetrics.class);</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> private static final Logger LOG = LoggerFactory.getLogger(TestRegionMetrics.class);</span> |
| <span class="source-line-no">057</span><span id="line-57"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">058</span><span id="line-58"> private static Admin admin;</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> private static final TableName TABLE_1 = TableName.valueOf("table_1");</span> |
| <span class="source-line-no">061</span><span id="line-61"> private static final TableName TABLE_2 = TableName.valueOf("table_2");</span> |
| <span class="source-line-no">062</span><span id="line-62"> private static final TableName TABLE_3 = TableName.valueOf("table_3");</span> |
| <span class="source-line-no">063</span><span id="line-63"> private static final TableName[] tables = new TableName[] { TABLE_1, TABLE_2, TABLE_3 };</span> |
| <span class="source-line-no">064</span><span id="line-64"> private static final int MSG_INTERVAL = 500; // ms</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @BeforeClass</span> |
| <span class="source-line-no">067</span><span id="line-67"> public static void beforeClass() throws Exception {</span> |
| <span class="source-line-no">068</span><span id="line-68"> // Make servers report eagerly. This test is about looking at the cluster status reported.</span> |
| <span class="source-line-no">069</span><span id="line-69"> // Make it so we don't have to wait around too long to see change.</span> |
| <span class="source-line-no">070</span><span id="line-70"> UTIL.getConfiguration().setInt("hbase.regionserver.msginterval", MSG_INTERVAL);</span> |
| <span class="source-line-no">071</span><span id="line-71"> UTIL.startMiniCluster(4);</span> |
| <span class="source-line-no">072</span><span id="line-72"> admin = UTIL.getAdmin();</span> |
| <span class="source-line-no">073</span><span id="line-73"> admin.balancerSwitch(false, true);</span> |
| <span class="source-line-no">074</span><span id="line-74"> byte[] FAMILY = Bytes.toBytes("f");</span> |
| <span class="source-line-no">075</span><span id="line-75"> for (TableName tableName : tables) {</span> |
| <span class="source-line-no">076</span><span id="line-76"> Table table = UTIL.createMultiRegionTable(tableName, FAMILY, 16);</span> |
| <span class="source-line-no">077</span><span id="line-77"> UTIL.waitTableAvailable(tableName);</span> |
| <span class="source-line-no">078</span><span id="line-78"> UTIL.loadTable(table, FAMILY);</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> @AfterClass</span> |
| <span class="source-line-no">083</span><span id="line-83"> public static void afterClass() throws Exception {</span> |
| <span class="source-line-no">084</span><span id="line-84"> for (TableName table : tables) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> UTIL.deleteTableIfAny(table);</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">088</span><span id="line-88"> }</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> @Test</span> |
| <span class="source-line-no">091</span><span id="line-91"> public void testRegionMetrics() throws Exception {</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> // Check if regions match with the RegionMetrics from the server</span> |
| <span class="source-line-no">094</span><span id="line-94"> for (ServerName serverName : admin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS))</span> |
| <span class="source-line-no">095</span><span id="line-95"> .getLiveServerMetrics().keySet()) {</span> |
| <span class="source-line-no">096</span><span id="line-96"> List<RegionInfo> regions = admin.getRegions(serverName);</span> |
| <span class="source-line-no">097</span><span id="line-97"> Collection<RegionMetrics> regionMetricsList = admin.getRegionMetrics(serverName);</span> |
| <span class="source-line-no">098</span><span id="line-98"> checkRegionsAndRegionMetrics(regions, regionMetricsList);</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> // Check if regionMetrics matches the table's regions and nothing is missed</span> |
| <span class="source-line-no">102</span><span id="line-102"> for (TableName table : new TableName[] { TABLE_1, TABLE_2, TABLE_3 }) {</span> |
| <span class="source-line-no">103</span><span id="line-103"> List<RegionInfo> tableRegions = admin.getRegions(table);</span> |
| <span class="source-line-no">104</span><span id="line-104"></span> |
| <span class="source-line-no">105</span><span id="line-105"> List<RegionMetrics> regionMetrics = new ArrayList<>();</span> |
| <span class="source-line-no">106</span><span id="line-106"> for (ServerName serverName : admin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS))</span> |
| <span class="source-line-no">107</span><span id="line-107"> .getLiveServerMetrics().keySet()) {</span> |
| <span class="source-line-no">108</span><span id="line-108"> regionMetrics.addAll(admin.getRegionMetrics(serverName, table));</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"> checkRegionsAndRegionMetrics(tableRegions, regionMetrics);</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> // Just wait here. If this fixes the test, come back and do a better job.</span> |
| <span class="source-line-no">114</span><span id="line-114"> // Would have to redo the below so can wait on cluster status changing.</span> |
| <span class="source-line-no">115</span><span id="line-115"> // Admin#getClusterMetrics retrieves data from HMaster. Admin#getRegionMetrics, by contrast,</span> |
| <span class="source-line-no">116</span><span id="line-116"> // get the data from RS. Hence, it will fail if we do the assert check before RS has done</span> |
| <span class="source-line-no">117</span><span id="line-117"> // the report.</span> |
| <span class="source-line-no">118</span><span id="line-118"> TimeUnit.MILLISECONDS.sleep(3 * MSG_INTERVAL);</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> // Check RegionMetrics matches the RegionMetrics from ClusterMetrics</span> |
| <span class="source-line-no">121</span><span id="line-121"> for (Map.Entry<ServerName, ServerMetrics> entry : admin</span> |
| <span class="source-line-no">122</span><span id="line-122"> .getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics().entrySet()) {</span> |
| <span class="source-line-no">123</span><span id="line-123"> ServerName serverName = entry.getKey();</span> |
| <span class="source-line-no">124</span><span id="line-124"> ServerMetrics serverMetrics = entry.getValue();</span> |
| <span class="source-line-no">125</span><span id="line-125"> List<RegionMetrics> regionMetrics = admin.getRegionMetrics(serverName);</span> |
| <span class="source-line-no">126</span><span id="line-126"> LOG.debug("serverName=" + serverName + ", getRegionLoads=" + serverMetrics.getRegionMetrics()</span> |
| <span class="source-line-no">127</span><span id="line-127"> .keySet().stream().map(r -> Bytes.toString(r)).collect(Collectors.toList()));</span> |
| <span class="source-line-no">128</span><span id="line-128"> LOG.debug("serverName=" + serverName + ", regionLoads=" + regionMetrics.stream()</span> |
| <span class="source-line-no">129</span><span id="line-129"> .map(r -> Bytes.toString(r.getRegionName())).collect(Collectors.toList()));</span> |
| <span class="source-line-no">130</span><span id="line-130"> assertEquals(serverMetrics.getRegionMetrics().size(), regionMetrics.size());</span> |
| <span class="source-line-no">131</span><span id="line-131"> checkMetricsValue(regionMetrics, serverMetrics);</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133"> }</span> |
| <span class="source-line-no">134</span><span id="line-134"></span> |
| <span class="source-line-no">135</span><span id="line-135"> private void checkMetricsValue(List<RegionMetrics> regionMetrics, ServerMetrics serverMetrics)</span> |
| <span class="source-line-no">136</span><span id="line-136"> throws InvocationTargetException, IllegalAccessException {</span> |
| <span class="source-line-no">137</span><span id="line-137"> for (RegionMetrics fromRM : regionMetrics) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> RegionMetrics fromSM = serverMetrics.getRegionMetrics().get(fromRM.getRegionName());</span> |
| <span class="source-line-no">139</span><span id="line-139"> Class clazz = RegionMetrics.class;</span> |
| <span class="source-line-no">140</span><span id="line-140"> for (Method method : clazz.getMethods()) {</span> |
| <span class="source-line-no">141</span><span id="line-141"> // check numeric values only</span> |
| <span class="source-line-no">142</span><span id="line-142"> if (</span> |
| <span class="source-line-no">143</span><span id="line-143"> method.getReturnType().equals(Size.class) || method.getReturnType().equals(int.class)</span> |
| <span class="source-line-no">144</span><span id="line-144"> || method.getReturnType().equals(long.class)</span> |
| <span class="source-line-no">145</span><span id="line-145"> || method.getReturnType().equals(float.class)</span> |
| <span class="source-line-no">146</span><span id="line-146"> ) {</span> |
| <span class="source-line-no">147</span><span id="line-147"> Object valueRm = method.invoke(fromRM);</span> |
| <span class="source-line-no">148</span><span id="line-148"> Object valueSM = method.invoke(fromSM);</span> |
| <span class="source-line-no">149</span><span id="line-149"> assertEquals("Return values of method " + method.getName() + " are different",</span> |
| <span class="source-line-no">150</span><span id="line-150"> valueRm.toString(), valueSM.toString());</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"> }</span> |
| <span class="source-line-no">153</span><span id="line-153"> }</span> |
| <span class="source-line-no">154</span><span id="line-154"> }</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> private void checkRegionsAndRegionMetrics(Collection<RegionInfo> regions,</span> |
| <span class="source-line-no">157</span><span id="line-157"> Collection<RegionMetrics> regionMetrics) {</span> |
| <span class="source-line-no">158</span><span id="line-158"></span> |
| <span class="source-line-no">159</span><span id="line-159"> assertEquals("No of regions and regionMetrics doesn't match", regions.size(),</span> |
| <span class="source-line-no">160</span><span id="line-160"> regionMetrics.size());</span> |
| <span class="source-line-no">161</span><span id="line-161"></span> |
| <span class="source-line-no">162</span><span id="line-162"> Map<byte[], RegionMetrics> regionMetricsMap = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);</span> |
| <span class="source-line-no">163</span><span id="line-163"> for (RegionMetrics r : regionMetrics) {</span> |
| <span class="source-line-no">164</span><span id="line-164"> regionMetricsMap.put(r.getRegionName(), r);</span> |
| <span class="source-line-no">165</span><span id="line-165"> }</span> |
| <span class="source-line-no">166</span><span id="line-166"> for (RegionInfo info : regions) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> assertTrue("Region not in RegionMetricsMap region:" + info.getRegionNameAsString()</span> |
| <span class="source-line-no">168</span><span id="line-168"> + " regionMap: " + regionMetricsMap, regionMetricsMap.containsKey(info.getRegionName()));</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> }</span> |
| <span class="source-line-no">171</span><span id="line-171">}</span> |
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| </pre> |
| </div> |
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