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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.master.assignment;</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.assertNotEquals;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertTrue;</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 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.ServerName;</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.client.Get;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.master.procedure.MasterProcedureConstants;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.MasterTests;</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.After;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.Before;</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">@Category({ MasterTests.class, LargeTests.class })</span> |
| <span class="source-line-no">048</span><span id="line-48">public class TestAssignmentOnRSCrash {</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> @ClassRule</span> |
| <span class="source-line-no">051</span><span id="line-51"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">052</span><span id="line-52"> HBaseClassTestRule.forClass(TestAssignmentOnRSCrash.class);</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> private static final Logger LOG = LoggerFactory.getLogger(TestAssignmentOnRSCrash.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 TableName TEST_TABLE = TableName.valueOf("testb");</span> |
| <span class="source-line-no">057</span><span id="line-57"> private static final String FAMILY_STR = "f";</span> |
| <span class="source-line-no">058</span><span id="line-58"> private static final byte[] FAMILY = Bytes.toBytes(FAMILY_STR);</span> |
| <span class="source-line-no">059</span><span id="line-59"> private static final int NUM_RS = 3;</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> private HBaseTestingUtil UTIL;</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> private static void setupConf(Configuration conf) {</span> |
| <span class="source-line-no">064</span><span id="line-64"> conf.setInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, 1);</span> |
| <span class="source-line-no">065</span><span id="line-65"> conf.set("hbase.balancer.tablesOnMaster", "none");</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> @Before</span> |
| <span class="source-line-no">069</span><span id="line-69"> public void setup() throws Exception {</span> |
| <span class="source-line-no">070</span><span id="line-70"> UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> setupConf(UTIL.getConfiguration());</span> |
| <span class="source-line-no">073</span><span id="line-73"> UTIL.startMiniCluster(NUM_RS);</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> UTIL.createTable(TEST_TABLE, new byte[][] { FAMILY }, new byte[][] { Bytes.toBytes("B"),</span> |
| <span class="source-line-no">076</span><span id="line-76"> Bytes.toBytes("D"), Bytes.toBytes("F"), Bytes.toBytes("L") });</span> |
| <span class="source-line-no">077</span><span id="line-77"> }</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> @After</span> |
| <span class="source-line-no">080</span><span id="line-80"> public void tearDown() throws Exception {</span> |
| <span class="source-line-no">081</span><span id="line-81"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">082</span><span id="line-82"> }</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> @Test</span> |
| <span class="source-line-no">085</span><span id="line-85"> public void testKillRsWithUserRegionWithData() throws Exception {</span> |
| <span class="source-line-no">086</span><span id="line-86"> testCrashRsWithUserRegion(true, true);</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> @Test</span> |
| <span class="source-line-no">090</span><span id="line-90"> public void testKillRsWithUserRegionWithoutData() throws Exception {</span> |
| <span class="source-line-no">091</span><span id="line-91"> testCrashRsWithUserRegion(true, false);</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> @Test</span> |
| <span class="source-line-no">095</span><span id="line-95"> public void testStopRsWithUserRegionWithData() throws Exception {</span> |
| <span class="source-line-no">096</span><span id="line-96"> testCrashRsWithUserRegion(false, true);</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> @Test</span> |
| <span class="source-line-no">100</span><span id="line-100"> public void testStopRsWithUserRegionWithoutData() throws Exception {</span> |
| <span class="source-line-no">101</span><span id="line-101"> testCrashRsWithUserRegion(false, false);</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> private void testCrashRsWithUserRegion(final boolean kill, final boolean withData)</span> |
| <span class="source-line-no">105</span><span id="line-105"> throws Exception {</span> |
| <span class="source-line-no">106</span><span id="line-106"> final int NROWS = 100;</span> |
| <span class="source-line-no">107</span><span id="line-107"> int nkilled = 0;</span> |
| <span class="source-line-no">108</span><span id="line-108"> for (RegionInfo hri : UTIL.getAdmin().getRegions(TEST_TABLE)) {</span> |
| <span class="source-line-no">109</span><span id="line-109"> ServerName serverName = AssignmentTestingUtil.getServerHoldingRegion(UTIL, hri);</span> |
| <span class="source-line-no">110</span><span id="line-110"> if (AssignmentTestingUtil.isServerHoldingMeta(UTIL, serverName)) continue;</span> |
| <span class="source-line-no">111</span><span id="line-111"></span> |
| <span class="source-line-no">112</span><span id="line-112"> if (withData) {</span> |
| <span class="source-line-no">113</span><span id="line-113"> testInsert(hri, NROWS);</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"> // wait for regions to enter in transition and then to get out of transition</span> |
| <span class="source-line-no">117</span><span id="line-117"> AssignmentTestingUtil.crashRs(UTIL, serverName, kill);</span> |
| <span class="source-line-no">118</span><span id="line-118"> AssignmentTestingUtil.waitForRegionToBeInTransition(UTIL, hri);</span> |
| <span class="source-line-no">119</span><span id="line-119"> UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">120</span><span id="line-120"></span> |
| <span class="source-line-no">121</span><span id="line-121"> if (withData) {</span> |
| <span class="source-line-no">122</span><span id="line-122"> assertEquals(NROWS, testGet(hri, NROWS));</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> // region should be moved to another RS</span> |
| <span class="source-line-no">126</span><span id="line-126"> assertNotEquals(serverName, AssignmentTestingUtil.getServerHoldingRegion(UTIL, hri));</span> |
| <span class="source-line-no">127</span><span id="line-127"></span> |
| <span class="source-line-no">128</span><span id="line-128"> if (++nkilled == (NUM_RS - 1)) {</span> |
| <span class="source-line-no">129</span><span id="line-129"> break;</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"> assertTrue("expected RSs to be killed", nkilled > 0);</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"> @Test</span> |
| <span class="source-line-no">136</span><span id="line-136"> public void testKillRsWithMetaRegion() throws Exception {</span> |
| <span class="source-line-no">137</span><span id="line-137"> testCrashRsWithMetaRegion(true);</span> |
| <span class="source-line-no">138</span><span id="line-138"> }</span> |
| <span class="source-line-no">139</span><span id="line-139"></span> |
| <span class="source-line-no">140</span><span id="line-140"> @Test</span> |
| <span class="source-line-no">141</span><span id="line-141"> public void testStopRsWithMetaRegion() throws Exception {</span> |
| <span class="source-line-no">142</span><span id="line-142"> testCrashRsWithMetaRegion(false);</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"></span> |
| <span class="source-line-no">145</span><span id="line-145"> private void testCrashRsWithMetaRegion(final boolean kill) throws Exception {</span> |
| <span class="source-line-no">146</span><span id="line-146"> int nkilled = 0;</span> |
| <span class="source-line-no">147</span><span id="line-147"> for (RegionInfo hri : AssignmentTestingUtil.getMetaRegions(UTIL)) {</span> |
| <span class="source-line-no">148</span><span id="line-148"> ServerName serverName = AssignmentTestingUtil.crashRsWithRegion(UTIL, hri, kill);</span> |
| <span class="source-line-no">149</span><span id="line-149"></span> |
| <span class="source-line-no">150</span><span id="line-150"> // wait for region to enter in transition and then to get out of transition</span> |
| <span class="source-line-no">151</span><span id="line-151"> AssignmentTestingUtil.waitForRegionToBeInTransition(UTIL, hri);</span> |
| <span class="source-line-no">152</span><span id="line-152"> UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">153</span><span id="line-153"> testGet(hri, 10);</span> |
| <span class="source-line-no">154</span><span id="line-154"></span> |
| <span class="source-line-no">155</span><span id="line-155"> // region should be moved to another RS</span> |
| <span class="source-line-no">156</span><span id="line-156"> assertNotEquals(serverName, AssignmentTestingUtil.getServerHoldingRegion(UTIL, hri));</span> |
| <span class="source-line-no">157</span><span id="line-157"></span> |
| <span class="source-line-no">158</span><span id="line-158"> if (++nkilled == (NUM_RS - 1)) {</span> |
| <span class="source-line-no">159</span><span id="line-159"> break;</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"> }</span> |
| <span class="source-line-no">162</span><span id="line-162"> assertTrue("expected RSs to be killed", nkilled > 0);</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> |
| <span class="source-line-no">165</span><span id="line-165"> private void testInsert(final RegionInfo hri, final int nrows) throws IOException {</span> |
| <span class="source-line-no">166</span><span id="line-166"> final Table table = UTIL.getConnection().getTable(hri.getTable());</span> |
| <span class="source-line-no">167</span><span id="line-167"> for (int i = 0; i < nrows; ++i) {</span> |
| <span class="source-line-no">168</span><span id="line-168"> final byte[] row = Bytes.add(hri.getStartKey(), Bytes.toBytes(i));</span> |
| <span class="source-line-no">169</span><span id="line-169"> final Put put = new Put(row);</span> |
| <span class="source-line-no">170</span><span id="line-170"> put.addColumn(FAMILY, null, row);</span> |
| <span class="source-line-no">171</span><span id="line-171"> table.put(put);</span> |
| <span class="source-line-no">172</span><span id="line-172"> }</span> |
| <span class="source-line-no">173</span><span id="line-173"> }</span> |
| <span class="source-line-no">174</span><span id="line-174"></span> |
| <span class="source-line-no">175</span><span id="line-175"> public int testGet(final RegionInfo hri, final int nrows) throws IOException {</span> |
| <span class="source-line-no">176</span><span id="line-176"> int nresults = 0;</span> |
| <span class="source-line-no">177</span><span id="line-177"> final Table table = UTIL.getConnection().getTable(hri.getTable());</span> |
| <span class="source-line-no">178</span><span id="line-178"> for (int i = 0; i < nrows; ++i) {</span> |
| <span class="source-line-no">179</span><span id="line-179"> final byte[] row = Bytes.add(hri.getStartKey(), Bytes.toBytes(i));</span> |
| <span class="source-line-no">180</span><span id="line-180"> final Result result = table.get(new Get(row));</span> |
| <span class="source-line-no">181</span><span id="line-181"> if (result != null && !result.isEmpty() && Bytes.equals(row, result.getValue(FAMILY, null))) {</span> |
| <span class="source-line-no">182</span><span id="line-182"> nresults++;</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"> }</span> |
| <span class="source-line-no">185</span><span id="line-185"> return nresults;</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> |
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