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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.client;</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 java.util.Optional;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.ConcurrentHashMap;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.ConcurrentMap;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.ForkJoinPool;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.function.Supplier;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.regionserver.HRegion;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.AfterClass;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.Rule;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.Test;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.runners.Parameterized.Parameter;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.runners.Parameterized.Parameters;</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hbase.thirdparty.com.google.common.io.Closeables;</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50">public abstract class AbstractTestAsyncTableRegionReplicasRead {</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> protected static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> protected static TableName TABLE_NAME = TableName.valueOf("async");</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> protected static byte[] FAMILY = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> protected static byte[] QUALIFIER = Bytes.toBytes("cq");</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> protected static byte[] ROW = Bytes.toBytes("row");</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> protected static byte[] VALUE = Bytes.toBytes("value");</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> protected static int REPLICA_COUNT = 3;</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> protected static AsyncConnection ASYNC_CONN;</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> @Rule</span> |
| <span class="source-line-no">069</span><span id="line-69"> public TestName testName = new TestName();</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> @Parameter</span> |
| <span class="source-line-no">072</span><span id="line-72"> public Supplier<AsyncTable<?>> getTable;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> private static AsyncTable<?> getRawTable() {</span> |
| <span class="source-line-no">075</span><span id="line-75"> return ASYNC_CONN.getTable(TABLE_NAME);</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 static AsyncTable<?> getTable() {</span> |
| <span class="source-line-no">079</span><span id="line-79"> return ASYNC_CONN.getTable(TABLE_NAME, ForkJoinPool.commonPool());</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"> @Parameters</span> |
| <span class="source-line-no">083</span><span id="line-83"> public static List<Object[]> params() {</span> |
| <span class="source-line-no">084</span><span id="line-84"> return Arrays.asList(</span> |
| <span class="source-line-no">085</span><span id="line-85"> new Supplier<?>[] { AbstractTestAsyncTableRegionReplicasRead::getRawTable },</span> |
| <span class="source-line-no">086</span><span id="line-86"> new Supplier<?>[] { AbstractTestAsyncTableRegionReplicasRead::getTable });</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"> protected static volatile boolean FAIL_PRIMARY_GET = false;</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> protected static ConcurrentMap<Integer, AtomicInteger> REPLICA_ID_TO_COUNT =</span> |
| <span class="source-line-no">092</span><span id="line-92"> new ConcurrentHashMap<>();</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> public static final class FailPrimaryGetCP implements RegionObserver, RegionCoprocessor {</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> @Override</span> |
| <span class="source-line-no">097</span><span id="line-97"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">098</span><span id="line-98"> return Optional.of(this);</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"> private void recordAndTryFail(ObserverContext<RegionCoprocessorEnvironment> c)</span> |
| <span class="source-line-no">102</span><span id="line-102"> throws IOException {</span> |
| <span class="source-line-no">103</span><span id="line-103"> RegionInfo region = c.getEnvironment().getRegionInfo();</span> |
| <span class="source-line-no">104</span><span id="line-104"> if (!region.getTable().equals(TABLE_NAME)) {</span> |
| <span class="source-line-no">105</span><span id="line-105"> return;</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"> REPLICA_ID_TO_COUNT.computeIfAbsent(region.getReplicaId(), k -> new AtomicInteger())</span> |
| <span class="source-line-no">108</span><span id="line-108"> .incrementAndGet();</span> |
| <span class="source-line-no">109</span><span id="line-109"> if (region.getReplicaId() == RegionReplicaUtil.DEFAULT_REPLICA_ID && FAIL_PRIMARY_GET) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> throw new IOException("Inject error");</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"></span> |
| <span class="source-line-no">114</span><span id="line-114"> @Override</span> |
| <span class="source-line-no">115</span><span id="line-115"> public void preGetOp(ObserverContext<RegionCoprocessorEnvironment> c, Get get,</span> |
| <span class="source-line-no">116</span><span id="line-116"> List<Cell> result) throws IOException {</span> |
| <span class="source-line-no">117</span><span id="line-117"> recordAndTryFail(c);</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"> @Override</span> |
| <span class="source-line-no">121</span><span id="line-121"> public void preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Scan scan)</span> |
| <span class="source-line-no">122</span><span id="line-122"> throws IOException {</span> |
| <span class="source-line-no">123</span><span id="line-123"> recordAndTryFail(c);</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</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 boolean allReplicasHaveRow(byte[] row) throws IOException {</span> |
| <span class="source-line-no">128</span><span id="line-128"> for (RegionServerThread t : TEST_UTIL.getMiniHBaseCluster().getRegionServerThreads()) {</span> |
| <span class="source-line-no">129</span><span id="line-129"> for (HRegion region : t.getRegionServer().getRegions(TABLE_NAME)) {</span> |
| <span class="source-line-no">130</span><span id="line-130"> if (region.get(new Get(row), false).isEmpty()) {</span> |
| <span class="source-line-no">131</span><span id="line-131"> return false;</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"> return true;</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"> protected static void startClusterAndCreateTable() throws Exception {</span> |
| <span class="source-line-no">139</span><span id="line-139"> TEST_UTIL.startMiniCluster(3);</span> |
| <span class="source-line-no">140</span><span id="line-140"> TEST_UTIL.getAdmin().createTable(TableDescriptorBuilder.newBuilder(TABLE_NAME)</span> |
| <span class="source-line-no">141</span><span id="line-141"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY)).setRegionReplication(REPLICA_COUNT)</span> |
| <span class="source-line-no">142</span><span id="line-142"> .setCoprocessor(FailPrimaryGetCP.class.getName()).build());</span> |
| <span class="source-line-no">143</span><span id="line-143"> TEST_UTIL.waitUntilAllRegionsAssigned(TABLE_NAME);</span> |
| <span class="source-line-no">144</span><span id="line-144"> ASYNC_CONN = ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get();</span> |
| <span class="source-line-no">145</span><span id="line-145"> }</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> protected static void waitUntilAllReplicasHaveRow(byte[] row) throws IOException {</span> |
| <span class="source-line-no">148</span><span id="line-148"> // this is the fastest way to let all replicas have the row</span> |
| <span class="source-line-no">149</span><span id="line-149"> TEST_UTIL.getAdmin().disableTable(TABLE_NAME);</span> |
| <span class="source-line-no">150</span><span id="line-150"> TEST_UTIL.getAdmin().enableTable(TABLE_NAME);</span> |
| <span class="source-line-no">151</span><span id="line-151"> TEST_UTIL.waitFor(30000, () -> allReplicasHaveRow(row));</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"> @AfterClass</span> |
| <span class="source-line-no">155</span><span id="line-155"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">156</span><span id="line-156"> Closeables.close(ASYNC_CONN, true);</span> |
| <span class="source-line-no">157</span><span id="line-157"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> protected static int getSecondaryGetCount() {</span> |
| <span class="source-line-no">161</span><span id="line-161"> return REPLICA_ID_TO_COUNT.entrySet().stream()</span> |
| <span class="source-line-no">162</span><span id="line-162"> .filter(e -> e.getKey().intValue() != RegionReplicaUtil.DEFAULT_REPLICA_ID)</span> |
| <span class="source-line-no">163</span><span id="line-163"> .mapToInt(e -> e.getValue().get()).sum();</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"></span> |
| <span class="source-line-no">166</span><span id="line-166"> protected static int getPrimaryGetCount() {</span> |
| <span class="source-line-no">167</span><span id="line-167"> AtomicInteger primaryGetCount = REPLICA_ID_TO_COUNT.get(RegionReplicaUtil.DEFAULT_REPLICA_ID);</span> |
| <span class="source-line-no">168</span><span id="line-168"> return primaryGetCount != null ? primaryGetCount.get() : 0;</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"> // replicaId = -1 means do not set replica</span> |
| <span class="source-line-no">172</span><span id="line-172"> protected abstract void readAndCheck(AsyncTable<?> table, int replicaId) throws Exception;</span> |
| <span class="source-line-no">173</span><span id="line-173"></span> |
| <span class="source-line-no">174</span><span id="line-174"> @Test</span> |
| <span class="source-line-no">175</span><span id="line-175"> public void testNoReplicaRead() throws Exception {</span> |
| <span class="source-line-no">176</span><span id="line-176"> FAIL_PRIMARY_GET = false;</span> |
| <span class="source-line-no">177</span><span id="line-177"> REPLICA_ID_TO_COUNT.clear();</span> |
| <span class="source-line-no">178</span><span id="line-178"> AsyncTable<?> table = getTable.get();</span> |
| <span class="source-line-no">179</span><span id="line-179"> readAndCheck(table, -1);</span> |
| <span class="source-line-no">180</span><span id="line-180"> // the primary region is fine and the primary timeout is 1 second which is long enough, so we</span> |
| <span class="source-line-no">181</span><span id="line-181"> // should not send any requests to secondary replicas even if the consistency is timeline.</span> |
| <span class="source-line-no">182</span><span id="line-182"> Thread.sleep(5000);</span> |
| <span class="source-line-no">183</span><span id="line-183"> assertEquals(0, getSecondaryGetCount());</span> |
| <span class="source-line-no">184</span><span id="line-184"> }</span> |
| <span class="source-line-no">185</span><span id="line-185"></span> |
| <span class="source-line-no">186</span><span id="line-186"> @Test</span> |
| <span class="source-line-no">187</span><span id="line-187"> public void testReplicaRead() throws Exception {</span> |
| <span class="source-line-no">188</span><span id="line-188"> // fail the primary get request</span> |
| <span class="source-line-no">189</span><span id="line-189"> FAIL_PRIMARY_GET = true;</span> |
| <span class="source-line-no">190</span><span id="line-190"> REPLICA_ID_TO_COUNT.clear();</span> |
| <span class="source-line-no">191</span><span id="line-191"> // make sure that we could still get the value from secondary replicas</span> |
| <span class="source-line-no">192</span><span id="line-192"> AsyncTable<?> table = getTable.get();</span> |
| <span class="source-line-no">193</span><span id="line-193"> readAndCheck(table, -1);</span> |
| <span class="source-line-no">194</span><span id="line-194"> // make sure that the primary request has been canceled</span> |
| <span class="source-line-no">195</span><span id="line-195"> Thread.sleep(5000);</span> |
| <span class="source-line-no">196</span><span id="line-196"> int count = getPrimaryGetCount();</span> |
| <span class="source-line-no">197</span><span id="line-197"> Thread.sleep(10000);</span> |
| <span class="source-line-no">198</span><span id="line-198"> assertEquals(count, getPrimaryGetCount());</span> |
| <span class="source-line-no">199</span><span id="line-199"> }</span> |
| <span class="source-line-no">200</span><span id="line-200"></span> |
| <span class="source-line-no">201</span><span id="line-201"> @Test</span> |
| <span class="source-line-no">202</span><span id="line-202"> public void testReadSpecificReplica() throws Exception {</span> |
| <span class="source-line-no">203</span><span id="line-203"> FAIL_PRIMARY_GET = false;</span> |
| <span class="source-line-no">204</span><span id="line-204"> REPLICA_ID_TO_COUNT.clear();</span> |
| <span class="source-line-no">205</span><span id="line-205"> AsyncTable<?> table = getTable.get();</span> |
| <span class="source-line-no">206</span><span id="line-206"> for (int replicaId = 0; replicaId < REPLICA_COUNT; replicaId++) {</span> |
| <span class="source-line-no">207</span><span id="line-207"> readAndCheck(table, replicaId);</span> |
| <span class="source-line-no">208</span><span id="line-208"> assertEquals(1, REPLICA_ID_TO_COUNT.get(replicaId).get());</span> |
| <span class="source-line-no">209</span><span id="line-209"> }</span> |
| <span class="source-line-no">210</span><span id="line-210"> }</span> |
| <span class="source-line-no">211</span><span id="line-211">}</span> |
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| </pre> |
| </div> |
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| </html> |
