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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 java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.concurrent.ConcurrentSkipListSet;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.NoopProcedure;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.junit.After;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.junit.Before;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.junit.ClassRule;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.junit.Test;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.slf4j.Logger;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">036</span><span id="line-36"></span> |
| <span class="source-line-no">037</span><span id="line-37">@Category({ MasterTests.class, SmallTests.class })</span> |
| <span class="source-line-no">038</span><span id="line-38">public class TestProcedureSchedulerConcurrency {</span> |
| <span class="source-line-no">039</span><span id="line-39"> @ClassRule</span> |
| <span class="source-line-no">040</span><span id="line-40"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">041</span><span id="line-41"> HBaseClassTestRule.forClass(TestProcedureSchedulerConcurrency.class);</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43"> private static final Logger LOG = LoggerFactory.getLogger(TestProcedureEvents.class);</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45"> private SimpleProcedureScheduler procSched;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47"> @Before</span> |
| <span class="source-line-no">048</span><span id="line-48"> public void setUp() throws IOException {</span> |
| <span class="source-line-no">049</span><span id="line-49"> procSched = new SimpleProcedureScheduler();</span> |
| <span class="source-line-no">050</span><span id="line-50"> procSched.start();</span> |
| <span class="source-line-no">051</span><span id="line-51"> }</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> @After</span> |
| <span class="source-line-no">054</span><span id="line-54"> public void tearDown() throws IOException {</span> |
| <span class="source-line-no">055</span><span id="line-55"> procSched.stop();</span> |
| <span class="source-line-no">056</span><span id="line-56"> }</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> @Test</span> |
| <span class="source-line-no">059</span><span id="line-59"> public void testConcurrentWaitWake() throws Exception {</span> |
| <span class="source-line-no">060</span><span id="line-60"> testConcurrentWaitWake(false);</span> |
| <span class="source-line-no">061</span><span id="line-61"> }</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> @Test</span> |
| <span class="source-line-no">064</span><span id="line-64"> public void testConcurrentWaitWakeBatch() throws Exception {</span> |
| <span class="source-line-no">065</span><span id="line-65"> testConcurrentWaitWake(true);</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"> private void testConcurrentWaitWake(final boolean useWakeBatch) throws Exception {</span> |
| <span class="source-line-no">069</span><span id="line-69"> final int WAIT_THRESHOLD = 2500;</span> |
| <span class="source-line-no">070</span><span id="line-70"> final int NPROCS = 20;</span> |
| <span class="source-line-no">071</span><span id="line-71"> final int NRUNS = 500;</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> final ProcedureScheduler sched = procSched;</span> |
| <span class="source-line-no">074</span><span id="line-74"> for (long i = 0; i < NPROCS; ++i) {</span> |
| <span class="source-line-no">075</span><span id="line-75"> sched.addBack(new TestProcedureWithEvent(i));</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"> final Thread[] threads = new Thread[4];</span> |
| <span class="source-line-no">079</span><span id="line-79"> final AtomicInteger waitCount = new AtomicInteger(0);</span> |
| <span class="source-line-no">080</span><span id="line-80"> final AtomicInteger wakeCount = new AtomicInteger(0);</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> final ConcurrentSkipListSet<TestProcedureWithEvent> waitQueue = new ConcurrentSkipListSet<>();</span> |
| <span class="source-line-no">083</span><span id="line-83"> threads[0] = new Thread() {</span> |
| <span class="source-line-no">084</span><span id="line-84"> @Override</span> |
| <span class="source-line-no">085</span><span id="line-85"> public void run() {</span> |
| <span class="source-line-no">086</span><span id="line-86"> long lastUpdate = 0;</span> |
| <span class="source-line-no">087</span><span id="line-87"> while (true) {</span> |
| <span class="source-line-no">088</span><span id="line-88"> final int oldWakeCount = wakeCount.get();</span> |
| <span class="source-line-no">089</span><span id="line-89"> if (useWakeBatch) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> ProcedureEvent[] ev = new ProcedureEvent[waitQueue.size()];</span> |
| <span class="source-line-no">091</span><span id="line-91"> for (int i = 0; i < ev.length; ++i) {</span> |
| <span class="source-line-no">092</span><span id="line-92"> ev[i] = waitQueue.pollFirst().getEvent();</span> |
| <span class="source-line-no">093</span><span id="line-93"> LOG.debug("WAKE BATCH " + ev[i] + " total=" + wakeCount.get());</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"> ProcedureEvent.wakeEvents((AbstractProcedureScheduler) sched, ev);</span> |
| <span class="source-line-no">096</span><span id="line-96"> wakeCount.addAndGet(ev.length);</span> |
| <span class="source-line-no">097</span><span id="line-97"> } else {</span> |
| <span class="source-line-no">098</span><span id="line-98"> int size = waitQueue.size();</span> |
| <span class="source-line-no">099</span><span id="line-99"> while (size-- > 0) {</span> |
| <span class="source-line-no">100</span><span id="line-100"> ProcedureEvent ev = waitQueue.pollFirst().getEvent();</span> |
| <span class="source-line-no">101</span><span id="line-101"> ev.wake(procSched);</span> |
| <span class="source-line-no">102</span><span id="line-102"> LOG.debug("WAKE " + ev + " total=" + wakeCount.get());</span> |
| <span class="source-line-no">103</span><span id="line-103"> wakeCount.incrementAndGet();</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"> if (wakeCount.get() != oldWakeCount) {</span> |
| <span class="source-line-no">107</span><span id="line-107"> lastUpdate = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">108</span><span id="line-108"> } else if (</span> |
| <span class="source-line-no">109</span><span id="line-109"> wakeCount.get() >= NRUNS</span> |
| <span class="source-line-no">110</span><span id="line-110"> && (EnvironmentEdgeManager.currentTime() - lastUpdate) > WAIT_THRESHOLD</span> |
| <span class="source-line-no">111</span><span id="line-111"> ) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> break;</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</span> |
| <span class="source-line-no">114</span><span id="line-114"> Threads.sleepWithoutInterrupt(25);</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"> };</span> |
| <span class="source-line-no">118</span><span id="line-118"></span> |
| <span class="source-line-no">119</span><span id="line-119"> for (int i = 1; i < threads.length; ++i) {</span> |
| <span class="source-line-no">120</span><span id="line-120"> threads[i] = new Thread() {</span> |
| <span class="source-line-no">121</span><span id="line-121"> @Override</span> |
| <span class="source-line-no">122</span><span id="line-122"> public void run() {</span> |
| <span class="source-line-no">123</span><span id="line-123"> while (true) {</span> |
| <span class="source-line-no">124</span><span id="line-124"> TestProcedureWithEvent proc = (TestProcedureWithEvent) sched.poll();</span> |
| <span class="source-line-no">125</span><span id="line-125"> if (proc == null) {</span> |
| <span class="source-line-no">126</span><span id="line-126"> continue;</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> proc.getEvent().suspend();</span> |
| <span class="source-line-no">130</span><span id="line-130"> waitQueue.add(proc);</span> |
| <span class="source-line-no">131</span><span id="line-131"> proc.getEvent().suspendIfNotReady(proc);</span> |
| <span class="source-line-no">132</span><span id="line-132"> LOG.debug("WAIT " + proc.getEvent());</span> |
| <span class="source-line-no">133</span><span id="line-133"> if (waitCount.incrementAndGet() >= NRUNS) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> break;</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"> }</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"></span> |
| <span class="source-line-no">141</span><span id="line-141"> for (int i = 0; i < threads.length; ++i) {</span> |
| <span class="source-line-no">142</span><span id="line-142"> threads[i].start();</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"> for (int i = 0; i < threads.length; ++i) {</span> |
| <span class="source-line-no">145</span><span id="line-145"> threads[i].join();</span> |
| <span class="source-line-no">146</span><span id="line-146"> }</span> |
| <span class="source-line-no">147</span><span id="line-147"></span> |
| <span class="source-line-no">148</span><span id="line-148"> sched.clear();</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"> public static class TestProcedureWithEvent extends NoopProcedure<Void> {</span> |
| <span class="source-line-no">152</span><span id="line-152"> private final ProcedureEvent event;</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> public TestProcedureWithEvent(long procId) {</span> |
| <span class="source-line-no">155</span><span id="line-155"> setProcId(procId);</span> |
| <span class="source-line-no">156</span><span id="line-156"> event = new ProcedureEvent("test-event procId=" + procId);</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158"></span> |
| <span class="source-line-no">159</span><span id="line-159"> public ProcedureEvent getEvent() {</span> |
| <span class="source-line-no">160</span><span id="line-160"> return event;</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> |
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