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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.List;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Optional;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.concurrent.atomic.AtomicLong;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.ipc.ServerTooBusyException;</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.util.Bytes;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.wal.WALEdit;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.AfterClass;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.ClassRule;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.Rule;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.Test;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48">/**</span> |
| <span class="source-line-no">049</span><span id="line-49"> * This class is for testing HBaseConnectionManager ServerBusyException. Be careful adding to this</span> |
| <span class="source-line-no">050</span><span id="line-50"> * class. It sets a low HBASE_CLIENT_PERSERVER_REQUESTS_THRESHOLD</span> |
| <span class="source-line-no">051</span><span id="line-51"> */</span> |
| <span class="source-line-no">052</span><span id="line-52">@Category({ LargeTests.class })</span> |
| <span class="source-line-no">053</span><span id="line-53">public class TestServerBusyException {</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> @ClassRule</span> |
| <span class="source-line-no">056</span><span id="line-56"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">057</span><span id="line-57"> HBaseClassTestRule.forClass(TestServerBusyException.class);</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 final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">060</span><span id="line-60"> private static final byte[] FAM_NAM = Bytes.toBytes("f");</span> |
| <span class="source-line-no">061</span><span id="line-61"> private static final byte[] ROW = Bytes.toBytes("bbb");</span> |
| <span class="source-line-no">062</span><span id="line-62"> private static final int RPC_RETRY = 5;</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> @Rule</span> |
| <span class="source-line-no">065</span><span id="line-65"> public TestName name = new TestName();</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> public static class SleepCoprocessor implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">068</span><span id="line-68"> public static final int SLEEP_TIME = 5000;</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> @Override</span> |
| <span class="source-line-no">071</span><span id="line-71"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">072</span><span id="line-72"> return Optional.of(this);</span> |
| <span class="source-line-no">073</span><span id="line-73"> }</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> @Override</span> |
| <span class="source-line-no">076</span><span id="line-76"> public void preGetOp(final ObserverContext<RegionCoprocessorEnvironment> e, final Get get,</span> |
| <span class="source-line-no">077</span><span id="line-77"> final List<Cell> results) throws IOException {</span> |
| <span class="source-line-no">078</span><span id="line-78"> Threads.sleep(SLEEP_TIME);</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"> @Override</span> |
| <span class="source-line-no">082</span><span id="line-82"> public void prePut(final ObserverContext<RegionCoprocessorEnvironment> e, final Put put,</span> |
| <span class="source-line-no">083</span><span id="line-83"> final WALEdit edit, final Durability durability) throws IOException {</span> |
| <span class="source-line-no">084</span><span id="line-84"> Threads.sleep(SLEEP_TIME);</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> @Override</span> |
| <span class="source-line-no">088</span><span id="line-88"> public Result preIncrement(final ObserverContext<RegionCoprocessorEnvironment> e,</span> |
| <span class="source-line-no">089</span><span id="line-89"> final Increment increment) throws IOException {</span> |
| <span class="source-line-no">090</span><span id="line-90"> Threads.sleep(SLEEP_TIME);</span> |
| <span class="source-line-no">091</span><span id="line-91"> return null;</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"> @Override</span> |
| <span class="source-line-no">095</span><span id="line-95"> public void preDelete(final ObserverContext<RegionCoprocessorEnvironment> e,</span> |
| <span class="source-line-no">096</span><span id="line-96"> final Delete delete, final WALEdit edit, final Durability durability) throws IOException {</span> |
| <span class="source-line-no">097</span><span id="line-97"> Threads.sleep(SLEEP_TIME);</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</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"></span> |
| <span class="source-line-no">102</span><span id="line-102"> public static class SleepLongerAtFirstCoprocessor implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">103</span><span id="line-103"> public static final int SLEEP_TIME = 2000;</span> |
| <span class="source-line-no">104</span><span id="line-104"> static final AtomicLong ct = new AtomicLong(0);</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> @Override</span> |
| <span class="source-line-no">107</span><span id="line-107"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">108</span><span id="line-108"> return Optional.of(this);</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> @Override</span> |
| <span class="source-line-no">112</span><span id="line-112"> public void preGetOp(final ObserverContext<RegionCoprocessorEnvironment> e, final Get get,</span> |
| <span class="source-line-no">113</span><span id="line-113"> final List<Cell> results) throws IOException {</span> |
| <span class="source-line-no">114</span><span id="line-114"> // After first sleep, all requests are timeout except the last retry. If we handle</span> |
| <span class="source-line-no">115</span><span id="line-115"> // all the following requests, finally the last request is also timeout. If we drop all</span> |
| <span class="source-line-no">116</span><span id="line-116"> // timeout requests, we can handle the last request immediately and it will not timeout.</span> |
| <span class="source-line-no">117</span><span id="line-117"> if (ct.incrementAndGet() <= 1) {</span> |
| <span class="source-line-no">118</span><span id="line-118"> Threads.sleep(SLEEP_TIME * RPC_RETRY * 2);</span> |
| <span class="source-line-no">119</span><span id="line-119"> } else {</span> |
| <span class="source-line-no">120</span><span id="line-120"> Threads.sleep(SLEEP_TIME);</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</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"> @BeforeClass</span> |
| <span class="source-line-no">126</span><span id="line-126"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">127</span><span id="line-127"> TEST_UTIL.getConfiguration().setBoolean(HConstants.STATUS_PUBLISHED, true);</span> |
| <span class="source-line-no">128</span><span id="line-128"> // Up the handlers; this test needs more than usual.</span> |
| <span class="source-line-no">129</span><span id="line-129"> TEST_UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10);</span> |
| <span class="source-line-no">130</span><span id="line-130"> TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, RPC_RETRY);</span> |
| <span class="source-line-no">131</span><span id="line-131"> // simulate queue blocking in testDropTimeoutRequest</span> |
| <span class="source-line-no">132</span><span id="line-132"> TEST_UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HANDLER_COUNT, 1);</span> |
| <span class="source-line-no">133</span><span id="line-133"> // Needed by the server busy test.</span> |
| <span class="source-line-no">134</span><span id="line-134"> TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_PERSERVER_REQUESTS_THRESHOLD, 3);</span> |
| <span class="source-line-no">135</span><span id="line-135"> TEST_UTIL.startMiniCluster(2);</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"> @AfterClass</span> |
| <span class="source-line-no">139</span><span id="line-139"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">140</span><span id="line-140"> TEST_UTIL.shutdownMiniCluster();</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"> private static class TestPutThread extends Thread {</span> |
| <span class="source-line-no">144</span><span id="line-144"> Table table;</span> |
| <span class="source-line-no">145</span><span id="line-145"> int getServerBusyException = 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"> TestPutThread(Table table) {</span> |
| <span class="source-line-no">148</span><span id="line-148"> this.table = table;</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"></span> |
| <span class="source-line-no">151</span><span id="line-151"> @Override</span> |
| <span class="source-line-no">152</span><span id="line-152"> public void run() {</span> |
| <span class="source-line-no">153</span><span id="line-153"> try {</span> |
| <span class="source-line-no">154</span><span id="line-154"> Put p = new Put(ROW);</span> |
| <span class="source-line-no">155</span><span id="line-155"> p.addColumn(FAM_NAM, new byte[] { 0 }, new byte[] { 0 });</span> |
| <span class="source-line-no">156</span><span id="line-156"> table.put(p);</span> |
| <span class="source-line-no">157</span><span id="line-157"> } catch (ServerTooBusyException e) {</span> |
| <span class="source-line-no">158</span><span id="line-158"> getServerBusyException = 1;</span> |
| <span class="source-line-no">159</span><span id="line-159"> } catch (IOException ignore) {</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"> }</span> |
| <span class="source-line-no">163</span><span id="line-163"></span> |
| <span class="source-line-no">164</span><span id="line-164"> private static class TestGetThread extends Thread {</span> |
| <span class="source-line-no">165</span><span id="line-165"> Table table;</span> |
| <span class="source-line-no">166</span><span id="line-166"> int getServerBusyException = 0;</span> |
| <span class="source-line-no">167</span><span id="line-167"></span> |
| <span class="source-line-no">168</span><span id="line-168"> TestGetThread(Table table) {</span> |
| <span class="source-line-no">169</span><span id="line-169"> this.table = table;</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> |
| <span class="source-line-no">172</span><span id="line-172"> @Override</span> |
| <span class="source-line-no">173</span><span id="line-173"> public void run() {</span> |
| <span class="source-line-no">174</span><span id="line-174"> try {</span> |
| <span class="source-line-no">175</span><span id="line-175"> Get g = new Get(ROW);</span> |
| <span class="source-line-no">176</span><span id="line-176"> g.addColumn(FAM_NAM, new byte[] { 0 });</span> |
| <span class="source-line-no">177</span><span id="line-177"> table.get(g);</span> |
| <span class="source-line-no">178</span><span id="line-178"> } catch (ServerTooBusyException e) {</span> |
| <span class="source-line-no">179</span><span id="line-179"> getServerBusyException = 1;</span> |
| <span class="source-line-no">180</span><span id="line-180"> } catch (IOException ignore) {</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</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"> @Test()</span> |
| <span class="source-line-no">186</span><span id="line-186"> public void testServerBusyException() throws Exception {</span> |
| <span class="source-line-no">187</span><span id="line-187"> TableDescriptor hdt = TEST_UTIL.createModifyableTableDescriptor(name.getMethodName())</span> |
| <span class="source-line-no">188</span><span id="line-188"> .setCoprocessor(SleepCoprocessor.class.getName()).build();</span> |
| <span class="source-line-no">189</span><span id="line-189"> Configuration c = new Configuration(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">190</span><span id="line-190"> TEST_UTIL.createTable(hdt, new byte[][] { FAM_NAM }, c);</span> |
| <span class="source-line-no">191</span><span id="line-191"></span> |
| <span class="source-line-no">192</span><span id="line-192"> TestGetThread tg1 = new TestGetThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">193</span><span id="line-193"> TestGetThread tg2 = new TestGetThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">194</span><span id="line-194"> TestGetThread tg3 = new TestGetThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">195</span><span id="line-195"> TestGetThread tg4 = new TestGetThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">196</span><span id="line-196"> TestGetThread tg5 = new TestGetThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">197</span><span id="line-197"> tg1.start();</span> |
| <span class="source-line-no">198</span><span id="line-198"> tg2.start();</span> |
| <span class="source-line-no">199</span><span id="line-199"> tg3.start();</span> |
| <span class="source-line-no">200</span><span id="line-200"> tg4.start();</span> |
| <span class="source-line-no">201</span><span id="line-201"> tg5.start();</span> |
| <span class="source-line-no">202</span><span id="line-202"> tg1.join();</span> |
| <span class="source-line-no">203</span><span id="line-203"> tg2.join();</span> |
| <span class="source-line-no">204</span><span id="line-204"> tg3.join();</span> |
| <span class="source-line-no">205</span><span id="line-205"> tg4.join();</span> |
| <span class="source-line-no">206</span><span id="line-206"> tg5.join();</span> |
| <span class="source-line-no">207</span><span id="line-207"> assertEquals(2, tg1.getServerBusyException + tg2.getServerBusyException</span> |
| <span class="source-line-no">208</span><span id="line-208"> + tg3.getServerBusyException + tg4.getServerBusyException + tg5.getServerBusyException);</span> |
| <span class="source-line-no">209</span><span id="line-209"></span> |
| <span class="source-line-no">210</span><span id="line-210"> // Put has its own logic in HTable, test Put alone. We use AsyncProcess for Put (use multi at</span> |
| <span class="source-line-no">211</span><span id="line-211"> // RPC level) and it wrap exceptions to RetriesExhaustedWithDetailsException.</span> |
| <span class="source-line-no">212</span><span id="line-212"></span> |
| <span class="source-line-no">213</span><span id="line-213"> TestPutThread tp1 = new TestPutThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">214</span><span id="line-214"> TestPutThread tp2 = new TestPutThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">215</span><span id="line-215"> TestPutThread tp3 = new TestPutThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">216</span><span id="line-216"> TestPutThread tp4 = new TestPutThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">217</span><span id="line-217"> TestPutThread tp5 = new TestPutThread(TEST_UTIL.getConnection().getTable(hdt.getTableName()));</span> |
| <span class="source-line-no">218</span><span id="line-218"> tp1.start();</span> |
| <span class="source-line-no">219</span><span id="line-219"> tp2.start();</span> |
| <span class="source-line-no">220</span><span id="line-220"> tp3.start();</span> |
| <span class="source-line-no">221</span><span id="line-221"> tp4.start();</span> |
| <span class="source-line-no">222</span><span id="line-222"> tp5.start();</span> |
| <span class="source-line-no">223</span><span id="line-223"> tp1.join();</span> |
| <span class="source-line-no">224</span><span id="line-224"> tp2.join();</span> |
| <span class="source-line-no">225</span><span id="line-225"> tp3.join();</span> |
| <span class="source-line-no">226</span><span id="line-226"> tp4.join();</span> |
| <span class="source-line-no">227</span><span id="line-227"> tp5.join();</span> |
| <span class="source-line-no">228</span><span id="line-228"> assertEquals(2, tp1.getServerBusyException + tp2.getServerBusyException</span> |
| <span class="source-line-no">229</span><span id="line-229"> + tp3.getServerBusyException + tp4.getServerBusyException + tp5.getServerBusyException);</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
