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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.regionserver;</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"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Arrays;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.List;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.TableNameTestRule;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.RegionSplitter;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.junit.After;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.AfterClass;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.ClassRule;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.Rule;</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.junit.runner.RunWith;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.runners.Parameterized;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.runners.Parameterized.Parameter;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.runners.Parameterized.Parameters;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49">@RunWith(Parameterized.class)</span> |
| <span class="source-line-no">050</span><span id="line-50">@Category({ RegionServerTests.class, MediumTests.class })</span> |
| <span class="source-line-no">051</span><span id="line-51">public class TestRegionReplicasWithModifyTable {</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> @ClassRule</span> |
| <span class="source-line-no">054</span><span id="line-54"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">055</span><span id="line-55"> HBaseClassTestRule.forClass(TestRegionReplicasWithModifyTable.class);</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57"> private static final int NB_SERVERS = 3;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> private static final HBaseTestingUtil HTU = new HBaseTestingUtil();</span> |
| <span class="source-line-no">060</span><span id="line-60"> private static final byte[] f = HConstants.CATALOG_FAMILY;</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> @Parameter</span> |
| <span class="source-line-no">063</span><span id="line-63"> public boolean disableBeforeModifying;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> @Rule</span> |
| <span class="source-line-no">066</span><span id="line-66"> public TableNameTestRule name = new TableNameTestRule();</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> @Parameters</span> |
| <span class="source-line-no">069</span><span id="line-69"> public static List<Object[]> params() {</span> |
| <span class="source-line-no">070</span><span id="line-70"> return Arrays.asList(new Object[] { true }, new Object[] { false });</span> |
| <span class="source-line-no">071</span><span id="line-71"> }</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> @BeforeClass</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static void before() throws Exception {</span> |
| <span class="source-line-no">075</span><span id="line-75"> HTU.startMiniCluster(NB_SERVERS);</span> |
| <span class="source-line-no">076</span><span id="line-76"> }</span> |
| <span class="source-line-no">077</span><span id="line-77"></span> |
| <span class="source-line-no">078</span><span id="line-78"> private void enableReplicationByModification(boolean withReplica, int initialReplicaCount,</span> |
| <span class="source-line-no">079</span><span id="line-79"> int enableReplicaCount, int splitCount) throws IOException, InterruptedException {</span> |
| <span class="source-line-no">080</span><span id="line-80"> TableName tableName = name.getTableName();</span> |
| <span class="source-line-no">081</span><span id="line-81"> TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(tableName);</span> |
| <span class="source-line-no">082</span><span id="line-82"> if (withReplica) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> builder.setRegionReplication(initialReplicaCount);</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"> TableDescriptor htd = builder.build();</span> |
| <span class="source-line-no">086</span><span id="line-86"> if (splitCount > 0) {</span> |
| <span class="source-line-no">087</span><span id="line-87"> byte[][] splits = getSplits(splitCount);</span> |
| <span class="source-line-no">088</span><span id="line-88"> HTU.createTable(htd, new byte[][] { f }, splits, new Configuration(HTU.getConfiguration()));</span> |
| <span class="source-line-no">089</span><span id="line-89"> } else {</span> |
| <span class="source-line-no">090</span><span id="line-90"> HTU.createTable(htd, new byte[][] { f }, (byte[][]) null,</span> |
| <span class="source-line-no">091</span><span id="line-91"> new Configuration(HTU.getConfiguration()));</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"> if (disableBeforeModifying) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> HTU.getAdmin().disableTable(tableName);</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"> HBaseTestingUtil.setReplicas(HTU.getAdmin(), tableName, enableReplicaCount);</span> |
| <span class="source-line-no">097</span><span id="line-97"> if (disableBeforeModifying) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> HTU.getAdmin().enableTable(tableName);</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"> int expectedRegionCount;</span> |
| <span class="source-line-no">101</span><span id="line-101"> if (splitCount > 0) {</span> |
| <span class="source-line-no">102</span><span id="line-102"> expectedRegionCount = enableReplicaCount * splitCount;</span> |
| <span class="source-line-no">103</span><span id="line-103"> } else {</span> |
| <span class="source-line-no">104</span><span id="line-104"> expectedRegionCount = enableReplicaCount;</span> |
| <span class="source-line-no">105</span><span id="line-105"> }</span> |
| <span class="source-line-no">106</span><span id="line-106"> assertTotalRegions(expectedRegionCount);</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> private static byte[][] getSplits(int numRegions) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> RegionSplitter.UniformSplit split = new RegionSplitter.UniformSplit();</span> |
| <span class="source-line-no">111</span><span id="line-111"> split.setFirstRow(Bytes.toBytes(0L));</span> |
| <span class="source-line-no">112</span><span id="line-112"> split.setLastRow(Bytes.toBytes(Long.MAX_VALUE));</span> |
| <span class="source-line-no">113</span><span id="line-113"> return split.split(numRegions);</span> |
| <span class="source-line-no">114</span><span id="line-114"> }</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> @AfterClass</span> |
| <span class="source-line-no">117</span><span id="line-117"> public static void afterClass() throws Exception {</span> |
| <span class="source-line-no">118</span><span id="line-118"> HTU.shutdownMiniCluster();</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"> @After</span> |
| <span class="source-line-no">122</span><span id="line-122"> public void tearDown() throws IOException {</span> |
| <span class="source-line-no">123</span><span id="line-123"> TableName tableName = name.getTableName();</span> |
| <span class="source-line-no">124</span><span id="line-124"> HTU.getAdmin().disableTable(tableName);</span> |
| <span class="source-line-no">125</span><span id="line-125"> HTU.getAdmin().deleteTable(tableName);</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"> private void assertTotalRegions(int expected) {</span> |
| <span class="source-line-no">129</span><span id="line-129"> int actual = HTU.getHBaseCluster().getRegions(name.getTableName()).size();</span> |
| <span class="source-line-no">130</span><span id="line-130"> assertEquals(expected, actual);</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> @Test</span> |
| <span class="source-line-no">134</span><span id="line-134"> public void testRegionReplicasUsingEnableTable() throws Exception {</span> |
| <span class="source-line-no">135</span><span id="line-135"> enableReplicationByModification(false, 0, 3, 0);</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"></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 testRegionReplicasUsingEnableTableForMultipleRegions() throws Exception {</span> |
| <span class="source-line-no">140</span><span id="line-140"> enableReplicationByModification(false, 0, 3, 10);</span> |
| <span class="source-line-no">141</span><span id="line-141"> }</span> |
| <span class="source-line-no">142</span><span id="line-142"></span> |
| <span class="source-line-no">143</span><span id="line-143"> @Test</span> |
| <span class="source-line-no">144</span><span id="line-144"> public void testRegionReplicasByEnableTableWhenReplicaCountIsIncreased() throws Exception {</span> |
| <span class="source-line-no">145</span><span id="line-145"> enableReplicationByModification(true, 2, 3, 0);</span> |
| <span class="source-line-no">146</span><span id="line-146"> }</span> |
| <span class="source-line-no">147</span><span id="line-147"></span> |
| <span class="source-line-no">148</span><span id="line-148"> @Test</span> |
| <span class="source-line-no">149</span><span id="line-149"> public void testRegionReplicasByEnableTableWhenReplicaCountIsDecreased() throws Exception {</span> |
| <span class="source-line-no">150</span><span id="line-150"> enableReplicationByModification(true, 3, 2, 0);</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"> @Test</span> |
| <span class="source-line-no">154</span><span id="line-154"> public void testRegionReplicasByEnableTableWhenReplicaCountIsDecreasedWithMultipleRegions()</span> |
| <span class="source-line-no">155</span><span id="line-155"> throws Exception {</span> |
| <span class="source-line-no">156</span><span id="line-156"> enableReplicationByModification(true, 3, 2, 20);</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158"></span> |
| <span class="source-line-no">159</span><span id="line-159"> @Test</span> |
| <span class="source-line-no">160</span><span id="line-160"> public void testRegionReplicasByEnableTableWhenReplicaCountIsIncreasedWithMultipleRegions()</span> |
| <span class="source-line-no">161</span><span id="line-161"> throws Exception {</span> |
| <span class="source-line-no">162</span><span id="line-162"> enableReplicationByModification(true, 2, 3, 15);</span> |
| <span class="source-line-no">163</span><span id="line-163"> }</span> |
| <span class="source-line-no">164</span><span id="line-164">}</span> |
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