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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 java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.List;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.concurrent.ConcurrentHashMap;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.NotServingRegionException;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.SingleProcessHBaseCluster;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.StartTestingClusterOption;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.Durability;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Get;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.testclassification.FlakeyTests;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.util.ConcurrentMapUtils;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.AfterClass;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.ClassRule;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.Test;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hbase.thirdparty.org.apache.commons.collections4.CollectionUtils;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ReplicateWALEntryRequest;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ReplicateWALEntryResponse;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59">/**</span> |
| <span class="source-line-no">060</span><span id="line-60"> * Test region replication when error occur.</span> |
| <span class="source-line-no">061</span><span id="line-61"> * <p/></span> |
| <span class="source-line-no">062</span><span id="line-62"> * We can not simply move the secondary replicas as we will trigger a flush for the primary replica</span> |
| <span class="source-line-no">063</span><span id="line-63"> * when secondary replica is online, which will always make the data of the two regions in sync. So</span> |
| <span class="source-line-no">064</span><span id="line-64"> * here we need to simulate request errors.</span> |
| <span class="source-line-no">065</span><span id="line-65"> */</span> |
| <span class="source-line-no">066</span><span id="line-66">@Category({ FlakeyTests.class, LargeTests.class })</span> |
| <span class="source-line-no">067</span><span id="line-67">public class TestRegionReplicaReplicationError {</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> @ClassRule</span> |
| <span class="source-line-no">070</span><span id="line-70"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">071</span><span id="line-71"> HBaseClassTestRule.forClass(TestRegionReplicaReplicationError.class);</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> public static final class ErrorReplayRSRpcServices extends RSRpcServices {</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> private final ConcurrentHashMap<HRegion, AtomicInteger> regionToCounter =</span> |
| <span class="source-line-no">076</span><span id="line-76"> new ConcurrentHashMap<HRegion, AtomicInteger>();</span> |
| <span class="source-line-no">077</span><span id="line-77"></span> |
| <span class="source-line-no">078</span><span id="line-78"> public ErrorReplayRSRpcServices(HRegionServer rs) throws IOException {</span> |
| <span class="source-line-no">079</span><span id="line-79"> super(rs);</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"> @Override</span> |
| <span class="source-line-no">083</span><span id="line-83"> public ReplicateWALEntryResponse replicateToReplica(RpcController controller,</span> |
| <span class="source-line-no">084</span><span id="line-84"> ReplicateWALEntryRequest request) throws ServiceException {</span> |
| <span class="source-line-no">085</span><span id="line-85"> List<WALEntry> entries = request.getEntryList();</span> |
| <span class="source-line-no">086</span><span id="line-86"> if (CollectionUtils.isEmpty(entries)) {</span> |
| <span class="source-line-no">087</span><span id="line-87"> return ReplicateWALEntryResponse.getDefaultInstance();</span> |
| <span class="source-line-no">088</span><span id="line-88"> }</span> |
| <span class="source-line-no">089</span><span id="line-89"> ByteString regionName = entries.get(0).getKey().getEncodedRegionName();</span> |
| <span class="source-line-no">090</span><span id="line-90"> HRegion region;</span> |
| <span class="source-line-no">091</span><span id="line-91"> try {</span> |
| <span class="source-line-no">092</span><span id="line-92"> region = server.getRegionByEncodedName(regionName.toStringUtf8());</span> |
| <span class="source-line-no">093</span><span id="line-93"> } catch (NotServingRegionException e) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> throw new ServiceException(e);</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> AtomicInteger counter =</span> |
| <span class="source-line-no">098</span><span id="line-98"> ConcurrentMapUtils.computeIfAbsent(regionToCounter, region, () -> new AtomicInteger(0));</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> // fail the first several request</span> |
| <span class="source-line-no">101</span><span id="line-101"> if (region.getRegionInfo().getReplicaId() == 1 && counter.addAndGet(entries.size()) < 100) {</span> |
| <span class="source-line-no">102</span><span id="line-102"> throw new ServiceException("Inject error!");</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104"> return super.replicateToReplica(controller, request);</span> |
| <span class="source-line-no">105</span><span id="line-105"> }</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> public static final class RSForTest</span> |
| <span class="source-line-no">109</span><span id="line-109"> extends SingleProcessHBaseCluster.MiniHBaseClusterRegionServer {</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> public RSForTest(Configuration conf) throws IOException, InterruptedException {</span> |
| <span class="source-line-no">112</span><span id="line-112"> super(conf);</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> @Override</span> |
| <span class="source-line-no">116</span><span id="line-116"> protected RSRpcServices createRpcServices() throws IOException {</span> |
| <span class="source-line-no">117</span><span id="line-117"> return new ErrorReplayRSRpcServices(this);</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"> private static final HBaseTestingUtil HTU = new HBaseTestingUtil();</span> |
| <span class="source-line-no">122</span><span id="line-122"></span> |
| <span class="source-line-no">123</span><span id="line-123"> private static String TN = "test";</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> private static byte[] CF = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">126</span><span id="line-126"></span> |
| <span class="source-line-no">127</span><span id="line-127"> private static byte[] CQ = Bytes.toBytes("cq");</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> @BeforeClass</span> |
| <span class="source-line-no">130</span><span id="line-130"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">131</span><span id="line-131"> HTU.getConfiguration().setBoolean(ServerRegionReplicaUtil.REGION_REPLICA_REPLICATION_CONF_KEY,</span> |
| <span class="source-line-no">132</span><span id="line-132"> true);</span> |
| <span class="source-line-no">133</span><span id="line-133"> HTU.startMiniCluster(</span> |
| <span class="source-line-no">134</span><span id="line-134"> StartTestingClusterOption.builder().rsClass(RSForTest.class).numRegionServers(3).build());</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"></span> |
| <span class="source-line-no">137</span><span id="line-137"> @AfterClass</span> |
| <span class="source-line-no">138</span><span id="line-138"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">139</span><span id="line-139"> HTU.shutdownMiniCluster();</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142"> private boolean checkReplica(Table table, int replicaId) throws IOException {</span> |
| <span class="source-line-no">143</span><span id="line-143"> boolean ret = true;</span> |
| <span class="source-line-no">144</span><span id="line-144"> for (int i = 0; i < 500; i++) {</span> |
| <span class="source-line-no">145</span><span id="line-145"> Result result = table.get(new Get(Bytes.toBytes(i)).setReplicaId(replicaId));</span> |
| <span class="source-line-no">146</span><span id="line-146"> byte[] value = result.getValue(CF, CQ);</span> |
| <span class="source-line-no">147</span><span id="line-147"> ret &= value != null && value.length > 0 && Bytes.toInt(value) == i;</span> |
| <span class="source-line-no">148</span><span id="line-148"> }</span> |
| <span class="source-line-no">149</span><span id="line-149"> return ret;</span> |
| <span class="source-line-no">150</span><span id="line-150"> }</span> |
| <span class="source-line-no">151</span><span id="line-151"></span> |
| <span class="source-line-no">152</span><span id="line-152"> @Test</span> |
| <span class="source-line-no">153</span><span id="line-153"> public void testDefaultDurability() throws IOException {</span> |
| <span class="source-line-no">154</span><span id="line-154"> doTest(false);</span> |
| <span class="source-line-no">155</span><span id="line-155"> }</span> |
| <span class="source-line-no">156</span><span id="line-156"></span> |
| <span class="source-line-no">157</span><span id="line-157"> @Test</span> |
| <span class="source-line-no">158</span><span id="line-158"> public void testSkipWAL() throws IOException {</span> |
| <span class="source-line-no">159</span><span id="line-159"> doTest(true);</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"> private void doTest(boolean skipWAL) throws IOException {</span> |
| <span class="source-line-no">163</span><span id="line-163"> TableName tableName = TableName.valueOf(TN + (skipWAL ? "_skipWAL" : ""));</span> |
| <span class="source-line-no">164</span><span id="line-164"> TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(tableName)</span> |
| <span class="source-line-no">165</span><span id="line-165"> .setRegionReplication(3).setColumnFamily(ColumnFamilyDescriptorBuilder.of(CF));</span> |
| <span class="source-line-no">166</span><span id="line-166"> if (skipWAL) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> builder.setDurability(Durability.SKIP_WAL);</span> |
| <span class="source-line-no">168</span><span id="line-168"> }</span> |
| <span class="source-line-no">169</span><span id="line-169"> TableDescriptor td = builder.build();</span> |
| <span class="source-line-no">170</span><span id="line-170"> HTU.getAdmin().createTable(td);</span> |
| <span class="source-line-no">171</span><span id="line-171"></span> |
| <span class="source-line-no">172</span><span id="line-172"> try (Table table = HTU.getConnection().getTable(tableName)) {</span> |
| <span class="source-line-no">173</span><span id="line-173"> for (int i = 0; i < 500; i++) {</span> |
| <span class="source-line-no">174</span><span id="line-174"> table.put(new Put(Bytes.toBytes(i)).addColumn(CF, CQ, Bytes.toBytes(i)));</span> |
| <span class="source-line-no">175</span><span id="line-175"> }</span> |
| <span class="source-line-no">176</span><span id="line-176"> HTU.waitFor(30000, () -> checkReplica(table, 2));</span> |
| <span class="source-line-no">177</span><span id="line-177"> HTU.waitFor(30000, () -> checkReplica(table, 1));</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180">}</span> |
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| </div> |
| </main> |
| </body> |
| </html> |
