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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.procedure2;</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.assertTrue;</span>
<span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.fail;</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 java.util.ArrayList;</span>
<span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.atomic.AtomicLong;</span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.fs.FileSystem;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.fs.Path;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HBaseCommonTestingUtil;</span>
<span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;</span>
<span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.procedure2.store.wal.WALProcedureStore;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.testclassification.MasterTests;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.testclassification.SmallTests;</span>
<span class="source-line-no">035</span><span id="line-35">import org.junit.After;</span>
<span class="source-line-no">036</span><span id="line-36">import org.junit.Before;</span>
<span class="source-line-no">037</span><span id="line-37">import org.junit.ClassRule;</span>
<span class="source-line-no">038</span><span id="line-38">import org.junit.Ignore;</span>
<span class="source-line-no">039</span><span id="line-39">import org.junit.Test;</span>
<span class="source-line-no">040</span><span id="line-40">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">041</span><span id="line-41">import org.slf4j.Logger;</span>
<span class="source-line-no">042</span><span id="line-42">import org.slf4j.LoggerFactory;</span>
<span class="source-line-no">043</span><span id="line-43"></span>
<span class="source-line-no">044</span><span id="line-44">import org.apache.hbase.thirdparty.com.google.protobuf.Int64Value;</span>
<span class="source-line-no">045</span><span id="line-45"></span>
<span class="source-line-no">046</span><span id="line-46">/**</span>
<span class="source-line-no">047</span><span id="line-47"> * For now we do not guarantee this, we will restore the locks when restarting ProcedureExecutor so</span>
<span class="source-line-no">048</span><span id="line-48"> * we should use lock to obtain the correct order. Ignored.</span>
<span class="source-line-no">049</span><span id="line-49"> */</span>
<span class="source-line-no">050</span><span id="line-50">@Ignore</span>
<span class="source-line-no">051</span><span id="line-51">@Category({ MasterTests.class, SmallTests.class })</span>
<span class="source-line-no">052</span><span id="line-52">public class TestProcedureReplayOrder {</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(TestProcedureReplayOrder.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 Logger LOG = LoggerFactory.getLogger(TestProcedureReplayOrder.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 static final int NUM_THREADS = 16;</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 ProcedureExecutor&lt;TestProcedureEnv&gt; procExecutor;</span>
<span class="source-line-no">062</span><span id="line-62"> private TestProcedureEnv procEnv;</span>
<span class="source-line-no">063</span><span id="line-63"> private ProcedureStore procStore;</span>
<span class="source-line-no">064</span><span id="line-64"></span>
<span class="source-line-no">065</span><span id="line-65"> private HBaseCommonTestingUtil htu;</span>
<span class="source-line-no">066</span><span id="line-66"> private FileSystem fs;</span>
<span class="source-line-no">067</span><span id="line-67"> private Path testDir;</span>
<span class="source-line-no">068</span><span id="line-68"> private Path logDir;</span>
<span class="source-line-no">069</span><span id="line-69"></span>
<span class="source-line-no">070</span><span id="line-70"> @Before</span>
<span class="source-line-no">071</span><span id="line-71"> public void setUp() throws IOException {</span>
<span class="source-line-no">072</span><span id="line-72"> htu = new HBaseCommonTestingUtil();</span>
<span class="source-line-no">073</span><span id="line-73"> htu.getConfiguration().setInt(WALProcedureStore.SYNC_WAIT_MSEC_CONF_KEY, 25);</span>
<span class="source-line-no">074</span><span id="line-74"></span>
<span class="source-line-no">075</span><span id="line-75"> testDir = htu.getDataTestDir();</span>
<span class="source-line-no">076</span><span id="line-76"> fs = testDir.getFileSystem(htu.getConfiguration());</span>
<span class="source-line-no">077</span><span id="line-77"> assertTrue(testDir.depth() &gt; 1);</span>
<span class="source-line-no">078</span><span id="line-78"></span>
<span class="source-line-no">079</span><span id="line-79"> logDir = new Path(testDir, "proc-logs");</span>
<span class="source-line-no">080</span><span id="line-80"> procEnv = new TestProcedureEnv();</span>
<span class="source-line-no">081</span><span id="line-81"> procStore = ProcedureTestingUtility.createWalStore(htu.getConfiguration(), logDir);</span>
<span class="source-line-no">082</span><span id="line-82"> procExecutor = new ProcedureExecutor&lt;&gt;(htu.getConfiguration(), procEnv, procStore);</span>
<span class="source-line-no">083</span><span id="line-83"> procStore.start(NUM_THREADS);</span>
<span class="source-line-no">084</span><span id="line-84"> ProcedureTestingUtility.initAndStartWorkers(procExecutor, 1, true);</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"> @After</span>
<span class="source-line-no">088</span><span id="line-88"> public void tearDown() throws IOException {</span>
<span class="source-line-no">089</span><span id="line-89"> procExecutor.stop();</span>
<span class="source-line-no">090</span><span id="line-90"> procStore.stop(false);</span>
<span class="source-line-no">091</span><span id="line-91"> fs.delete(logDir, true);</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 testSingleStepReplayOrder() throws Exception {</span>
<span class="source-line-no">096</span><span id="line-96"> final int NUM_PROC_XTHREAD = 32;</span>
<span class="source-line-no">097</span><span id="line-97"> final int NUM_PROCS = NUM_THREADS * NUM_PROC_XTHREAD;</span>
<span class="source-line-no">098</span><span id="line-98"></span>
<span class="source-line-no">099</span><span id="line-99"> // submit the procedures</span>
<span class="source-line-no">100</span><span id="line-100"> submitProcedures(NUM_THREADS, NUM_PROC_XTHREAD, TestSingleStepProcedure.class);</span>
<span class="source-line-no">101</span><span id="line-101"></span>
<span class="source-line-no">102</span><span id="line-102"> while (procEnv.getExecId() &lt; NUM_PROCS) {</span>
<span class="source-line-no">103</span><span id="line-103"> Thread.sleep(100);</span>
<span class="source-line-no">104</span><span id="line-104"> }</span>
<span class="source-line-no">105</span><span id="line-105"></span>
<span class="source-line-no">106</span><span id="line-106"> // restart the executor and allow the procedures to run</span>
<span class="source-line-no">107</span><span id="line-107"> ProcedureTestingUtility.restart(procExecutor);</span>
<span class="source-line-no">108</span><span id="line-108"></span>
<span class="source-line-no">109</span><span id="line-109"> // wait the execution of all the procedures and</span>
<span class="source-line-no">110</span><span id="line-110"> // assert that the execution order was sorted by procId</span>
<span class="source-line-no">111</span><span id="line-111"> ProcedureTestingUtility.waitNoProcedureRunning(procExecutor);</span>
<span class="source-line-no">112</span><span id="line-112"> procEnv.assertSortedExecList(NUM_PROCS);</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"> @Test</span>
<span class="source-line-no">116</span><span id="line-116"> public void testMultiStepReplayOrder() throws Exception {</span>
<span class="source-line-no">117</span><span id="line-117"> final int NUM_PROC_XTHREAD = 24;</span>
<span class="source-line-no">118</span><span id="line-118"> final int NUM_PROCS = NUM_THREADS * (NUM_PROC_XTHREAD * 2);</span>
<span class="source-line-no">119</span><span id="line-119"></span>
<span class="source-line-no">120</span><span id="line-120"> // submit the procedures</span>
<span class="source-line-no">121</span><span id="line-121"> submitProcedures(NUM_THREADS, NUM_PROC_XTHREAD, TestTwoStepProcedure.class);</span>
<span class="source-line-no">122</span><span id="line-122"></span>
<span class="source-line-no">123</span><span id="line-123"> while (procEnv.getExecId() &lt; NUM_PROCS) {</span>
<span class="source-line-no">124</span><span id="line-124"> Thread.sleep(100);</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"> // restart the executor and allow the procedures to run</span>
<span class="source-line-no">128</span><span id="line-128"> ProcedureTestingUtility.restart(procExecutor);</span>
<span class="source-line-no">129</span><span id="line-129"></span>
<span class="source-line-no">130</span><span id="line-130"> // wait the execution of all the procedures and</span>
<span class="source-line-no">131</span><span id="line-131"> // assert that the execution order was sorted by procId</span>
<span class="source-line-no">132</span><span id="line-132"> ProcedureTestingUtility.waitNoProcedureRunning(procExecutor);</span>
<span class="source-line-no">133</span><span id="line-133"> procEnv.assertSortedExecList(NUM_PROCS);</span>
<span class="source-line-no">134</span><span id="line-134"> }</span>
<span class="source-line-no">135</span><span id="line-135"></span>
<span class="source-line-no">136</span><span id="line-136"> private void submitProcedures(final int nthreads, final int nprocPerThread,</span>
<span class="source-line-no">137</span><span id="line-137"> final Class&lt;?&gt; procClazz) throws Exception {</span>
<span class="source-line-no">138</span><span id="line-138"> Thread[] submitThreads = new Thread[nthreads];</span>
<span class="source-line-no">139</span><span id="line-139"> for (int i = 0; i &lt; submitThreads.length; ++i) {</span>
<span class="source-line-no">140</span><span id="line-140"> submitThreads[i] = new Thread() {</span>
<span class="source-line-no">141</span><span id="line-141"> @Override</span>
<span class="source-line-no">142</span><span id="line-142"> public void run() {</span>
<span class="source-line-no">143</span><span id="line-143"> for (int i = 0; i &lt; nprocPerThread; ++i) {</span>
<span class="source-line-no">144</span><span id="line-144"> try {</span>
<span class="source-line-no">145</span><span id="line-145"> procExecutor</span>
<span class="source-line-no">146</span><span id="line-146"> .submitProcedure((Procedure) procClazz.getDeclaredConstructor().newInstance());</span>
<span class="source-line-no">147</span><span id="line-147"> } catch (Exception e) {</span>
<span class="source-line-no">148</span><span id="line-148"> LOG.error("unable to instantiate the procedure", e);</span>
<span class="source-line-no">149</span><span id="line-149"> fail("failure during the proc.newInstance(): " + e.getMessage());</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"> }</span>
<span class="source-line-no">153</span><span id="line-153"> };</span>
<span class="source-line-no">154</span><span id="line-154"> }</span>
<span class="source-line-no">155</span><span id="line-155"></span>
<span class="source-line-no">156</span><span id="line-156"> for (int i = 0; i &lt; submitThreads.length; ++i) {</span>
<span class="source-line-no">157</span><span id="line-157"> submitThreads[i].start();</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"> for (int i = 0; i &lt; submitThreads.length; ++i) {</span>
<span class="source-line-no">161</span><span id="line-161"> submitThreads[i].join();</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"></span>
<span class="source-line-no">165</span><span id="line-165"> private static class TestProcedureEnv {</span>
<span class="source-line-no">166</span><span id="line-166"> private ArrayList&lt;TestProcedure&gt; execList = new ArrayList&lt;&gt;();</span>
<span class="source-line-no">167</span><span id="line-167"> private AtomicLong execTimestamp = new AtomicLong(0);</span>
<span class="source-line-no">168</span><span id="line-168"></span>
<span class="source-line-no">169</span><span id="line-169"> public long getExecId() {</span>
<span class="source-line-no">170</span><span id="line-170"> return execTimestamp.get();</span>
<span class="source-line-no">171</span><span id="line-171"> }</span>
<span class="source-line-no">172</span><span id="line-172"></span>
<span class="source-line-no">173</span><span id="line-173"> public long nextExecId() {</span>
<span class="source-line-no">174</span><span id="line-174"> return execTimestamp.incrementAndGet();</span>
<span class="source-line-no">175</span><span id="line-175"> }</span>
<span class="source-line-no">176</span><span id="line-176"></span>
<span class="source-line-no">177</span><span id="line-177"> public void addToExecList(final TestProcedure proc) {</span>
<span class="source-line-no">178</span><span id="line-178"> execList.add(proc);</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>
<span class="source-line-no">181</span><span id="line-181"> public void assertSortedExecList(int numProcs) {</span>
<span class="source-line-no">182</span><span id="line-182"> assertEquals(numProcs, execList.size());</span>
<span class="source-line-no">183</span><span id="line-183"> LOG.debug("EXEC LIST: " + execList);</span>
<span class="source-line-no">184</span><span id="line-184"> for (int i = 0; i &lt; execList.size() - 1; ++i) {</span>
<span class="source-line-no">185</span><span id="line-185"> TestProcedure a = execList.get(i);</span>
<span class="source-line-no">186</span><span id="line-186"> TestProcedure b = execList.get(i + 1);</span>
<span class="source-line-no">187</span><span id="line-187"> assertTrue("exec list not sorted: " + a + " &lt; " + b, a.getExecId() &gt; b.getExecId());</span>
<span class="source-line-no">188</span><span id="line-188"> }</span>
<span class="source-line-no">189</span><span id="line-189"> }</span>
<span class="source-line-no">190</span><span id="line-190"> }</span>
<span class="source-line-no">191</span><span id="line-191"></span>
<span class="source-line-no">192</span><span id="line-192"> public static abstract class TestProcedure extends Procedure&lt;TestProcedureEnv&gt; {</span>
<span class="source-line-no">193</span><span id="line-193"> protected long execId = 0;</span>
<span class="source-line-no">194</span><span id="line-194"> protected int step = 0;</span>
<span class="source-line-no">195</span><span id="line-195"></span>
<span class="source-line-no">196</span><span id="line-196"> public long getExecId() {</span>
<span class="source-line-no">197</span><span id="line-197"> return execId;</span>
<span class="source-line-no">198</span><span id="line-198"> }</span>
<span class="source-line-no">199</span><span id="line-199"></span>
<span class="source-line-no">200</span><span id="line-200"> @Override</span>
<span class="source-line-no">201</span><span id="line-201"> protected void rollback(TestProcedureEnv env) {</span>
<span class="source-line-no">202</span><span id="line-202"> }</span>
<span class="source-line-no">203</span><span id="line-203"></span>
<span class="source-line-no">204</span><span id="line-204"> @Override</span>
<span class="source-line-no">205</span><span id="line-205"> protected boolean abort(TestProcedureEnv env) {</span>
<span class="source-line-no">206</span><span id="line-206"> return true;</span>
<span class="source-line-no">207</span><span id="line-207"> }</span>
<span class="source-line-no">208</span><span id="line-208"></span>
<span class="source-line-no">209</span><span id="line-209"> @Override</span>
<span class="source-line-no">210</span><span id="line-210"> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {</span>
<span class="source-line-no">211</span><span id="line-211"> Int64Value.Builder builder = Int64Value.newBuilder().setValue(execId);</span>
<span class="source-line-no">212</span><span id="line-212"> serializer.serialize(builder.build());</span>
<span class="source-line-no">213</span><span id="line-213"> }</span>
<span class="source-line-no">214</span><span id="line-214"></span>
<span class="source-line-no">215</span><span id="line-215"> @Override</span>
<span class="source-line-no">216</span><span id="line-216"> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {</span>
<span class="source-line-no">217</span><span id="line-217"> Int64Value value = serializer.deserialize(Int64Value.class);</span>
<span class="source-line-no">218</span><span id="line-218"> execId = value.getValue();</span>
<span class="source-line-no">219</span><span id="line-219"> step = 2;</span>
<span class="source-line-no">220</span><span id="line-220"> }</span>
<span class="source-line-no">221</span><span id="line-221"> }</span>
<span class="source-line-no">222</span><span id="line-222"></span>
<span class="source-line-no">223</span><span id="line-223"> public static class TestSingleStepProcedure extends TestProcedure {</span>
<span class="source-line-no">224</span><span id="line-224"> public TestSingleStepProcedure() {</span>
<span class="source-line-no">225</span><span id="line-225"> }</span>
<span class="source-line-no">226</span><span id="line-226"></span>
<span class="source-line-no">227</span><span id="line-227"> @Override</span>
<span class="source-line-no">228</span><span id="line-228"> protected Procedure[] execute(TestProcedureEnv env) throws ProcedureYieldException {</span>
<span class="source-line-no">229</span><span id="line-229"> LOG.trace("execute procedure step=" + step + ": " + this);</span>
<span class="source-line-no">230</span><span id="line-230"> if (step == 0) {</span>
<span class="source-line-no">231</span><span id="line-231"> step = 1;</span>
<span class="source-line-no">232</span><span id="line-232"> execId = env.nextExecId();</span>
<span class="source-line-no">233</span><span id="line-233"> return new Procedure[] { this };</span>
<span class="source-line-no">234</span><span id="line-234"> } else if (step == 2) {</span>
<span class="source-line-no">235</span><span id="line-235"> env.addToExecList(this);</span>
<span class="source-line-no">236</span><span id="line-236"> return null;</span>
<span class="source-line-no">237</span><span id="line-237"> }</span>
<span class="source-line-no">238</span><span id="line-238"> throw new ProcedureYieldException();</span>
<span class="source-line-no">239</span><span id="line-239"> }</span>
<span class="source-line-no">240</span><span id="line-240"></span>
<span class="source-line-no">241</span><span id="line-241"> @Override</span>
<span class="source-line-no">242</span><span id="line-242"> public String toString() {</span>
<span class="source-line-no">243</span><span id="line-243"> return "SingleStep(procId=" + getProcId() + " execId=" + execId + ")";</span>
<span class="source-line-no">244</span><span id="line-244"> }</span>
<span class="source-line-no">245</span><span id="line-245"> }</span>
<span class="source-line-no">246</span><span id="line-246"></span>
<span class="source-line-no">247</span><span id="line-247"> public static class TestTwoStepProcedure extends TestProcedure {</span>
<span class="source-line-no">248</span><span id="line-248"> public TestTwoStepProcedure() {</span>
<span class="source-line-no">249</span><span id="line-249"> }</span>
<span class="source-line-no">250</span><span id="line-250"></span>
<span class="source-line-no">251</span><span id="line-251"> @Override</span>
<span class="source-line-no">252</span><span id="line-252"> protected Procedure[] execute(TestProcedureEnv env) throws ProcedureYieldException {</span>
<span class="source-line-no">253</span><span id="line-253"> LOG.trace("execute procedure step=" + step + ": " + this);</span>
<span class="source-line-no">254</span><span id="line-254"> if (step == 0) {</span>
<span class="source-line-no">255</span><span id="line-255"> step = 1;</span>
<span class="source-line-no">256</span><span id="line-256"> execId = env.nextExecId();</span>
<span class="source-line-no">257</span><span id="line-257"> return new Procedure[] { new TestSingleStepProcedure() };</span>
<span class="source-line-no">258</span><span id="line-258"> } else if (step == 2) {</span>
<span class="source-line-no">259</span><span id="line-259"> env.addToExecList(this);</span>
<span class="source-line-no">260</span><span id="line-260"> return null;</span>
<span class="source-line-no">261</span><span id="line-261"> }</span>
<span class="source-line-no">262</span><span id="line-262"> throw new ProcedureYieldException();</span>
<span class="source-line-no">263</span><span id="line-263"> }</span>
<span class="source-line-no">264</span><span id="line-264"></span>
<span class="source-line-no">265</span><span id="line-265"> @Override</span>
<span class="source-line-no">266</span><span id="line-266"> public String toString() {</span>
<span class="source-line-no">267</span><span id="line-267"> return "TwoStep(procId=" + getProcId() + " execId=" + execId + ")";</span>
<span class="source-line-no">268</span><span id="line-268"> }</span>
<span class="source-line-no">269</span><span id="line-269"> }</span>
<span class="source-line-no">270</span><span id="line-270">}</span>
</pre>
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