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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.io.hfile;</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.apache.hadoop.hbase.io.ByteBuffAllocator.HEAP;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertNotNull;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertNull;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">025</span><span id="line-25"></span> |
| <span class="source-line-no">026</span><span id="line-26">import java.nio.ByteBuffer;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Random;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.ExecutorService;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.Executors;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.concurrent.ThreadLocalRandom;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.atomic.AtomicBoolean;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HBaseConfiguration;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.Waiter;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.Waiter.ExplainingPredicate;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.io.HeapSize;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.io.hfile.LruBlockCache.EvictionThread;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.nio.ByteBuff;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.testclassification.IOTests;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.ClassSize;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.Assert;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.ClassRule;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.Test;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.slf4j.Logger;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53">/**</span> |
| <span class="source-line-no">054</span><span id="line-54"> * Tests the concurrent LruBlockCache.</span> |
| <span class="source-line-no">055</span><span id="line-55"> * <p></span> |
| <span class="source-line-no">056</span><span id="line-56"> * Tests will ensure it grows and shrinks in size properly, evictions run when they're supposed to</span> |
| <span class="source-line-no">057</span><span id="line-57"> * and do what they should, and that cached blocks are accessible when expected to be.</span> |
| <span class="source-line-no">058</span><span id="line-58"> */</span> |
| <span class="source-line-no">059</span><span id="line-59">@Category({ IOTests.class, SmallTests.class })</span> |
| <span class="source-line-no">060</span><span id="line-60">public class TestLruBlockCache {</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> @ClassRule</span> |
| <span class="source-line-no">063</span><span id="line-63"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">064</span><span id="line-64"> HBaseClassTestRule.forClass(TestLruBlockCache.class);</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> private static final Logger LOG = LoggerFactory.getLogger(TestLruBlockCache.class);</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 static final Configuration CONF = HBaseConfiguration.create();</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> @Test</span> |
| <span class="source-line-no">071</span><span id="line-71"> public void testCacheEvictionThreadSafe() throws Exception {</span> |
| <span class="source-line-no">072</span><span id="line-72"> long maxSize = 100000;</span> |
| <span class="source-line-no">073</span><span id="line-73"> int numBlocks = 9;</span> |
| <span class="source-line-no">074</span><span id="line-74"> int testRuns = 10;</span> |
| <span class="source-line-no">075</span><span id="line-75"> final long blockSize = calculateBlockSizeDefault(maxSize, numBlocks);</span> |
| <span class="source-line-no">076</span><span id="line-76"> assertTrue("calculateBlockSize appears broken.", blockSize * numBlocks <= maxSize);</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 LruBlockCache cache = new LruBlockCache(maxSize, blockSize);</span> |
| <span class="source-line-no">079</span><span id="line-79"> EvictionThread evictionThread = cache.getEvictionThread();</span> |
| <span class="source-line-no">080</span><span id="line-80"> assertTrue(evictionThread != null);</span> |
| <span class="source-line-no">081</span><span id="line-81"> Waiter.waitFor(CONF, 10000, 100, () -> evictionThread.isEnteringRun());</span> |
| <span class="source-line-no">082</span><span id="line-82"> final String hfileName = "hfile";</span> |
| <span class="source-line-no">083</span><span id="line-83"> int threads = 10;</span> |
| <span class="source-line-no">084</span><span id="line-84"> final int blocksPerThread = 5 * numBlocks;</span> |
| <span class="source-line-no">085</span><span id="line-85"> for (int run = 0; run != testRuns; ++run) {</span> |
| <span class="source-line-no">086</span><span id="line-86"> final AtomicInteger blockCount = new AtomicInteger(0);</span> |
| <span class="source-line-no">087</span><span id="line-87"> ExecutorService service = Executors.newFixedThreadPool(threads);</span> |
| <span class="source-line-no">088</span><span id="line-88"> for (int i = 0; i != threads; ++i) {</span> |
| <span class="source-line-no">089</span><span id="line-89"> service.execute(new Runnable() {</span> |
| <span class="source-line-no">090</span><span id="line-90"> @Override</span> |
| <span class="source-line-no">091</span><span id="line-91"> public void run() {</span> |
| <span class="source-line-no">092</span><span id="line-92"> for (int blockIndex = 0; blockIndex < blocksPerThread</span> |
| <span class="source-line-no">093</span><span id="line-93"> || (!cache.isEvictionInProgress()); ++blockIndex) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> CachedItem block =</span> |
| <span class="source-line-no">095</span><span id="line-95"> new CachedItem(hfileName, (int) blockSize, blockCount.getAndIncrement());</span> |
| <span class="source-line-no">096</span><span id="line-96"> boolean inMemory = Math.random() > 0.5;</span> |
| <span class="source-line-no">097</span><span id="line-97"> cache.cacheBlock(block.cacheKey, block, inMemory);</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"> cache.evictBlocksByHfileName(hfileName);</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"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"> service.shutdown();</span> |
| <span class="source-line-no">104</span><span id="line-104"> // The test may fail here if the evict thread frees the blocks too fast</span> |
| <span class="source-line-no">105</span><span id="line-105"> service.awaitTermination(10, TimeUnit.MINUTES);</span> |
| <span class="source-line-no">106</span><span id="line-106"> Waiter.waitFor(CONF, 10000, 100, new ExplainingPredicate<Exception>() {</span> |
| <span class="source-line-no">107</span><span id="line-107"> @Override</span> |
| <span class="source-line-no">108</span><span id="line-108"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">109</span><span id="line-109"> return cache.getBlockCount() == 0;</span> |
| <span class="source-line-no">110</span><span id="line-110"> }</span> |
| <span class="source-line-no">111</span><span id="line-111"></span> |
| <span class="source-line-no">112</span><span id="line-112"> @Override</span> |
| <span class="source-line-no">113</span><span id="line-113"> public String explainFailure() throws Exception {</span> |
| <span class="source-line-no">114</span><span id="line-114"> return "Cache block count failed to return to 0";</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"> assertEquals(0, cache.getBlockCount());</span> |
| <span class="source-line-no">118</span><span id="line-118"> assertEquals(cache.getOverhead(), cache.getCurrentSize());</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"></span> |
| <span class="source-line-no">122</span><span id="line-122"> @Test</span> |
| <span class="source-line-no">123</span><span id="line-123"> public void testBackgroundEvictionThread() throws Exception {</span> |
| <span class="source-line-no">124</span><span id="line-124"> long maxSize = 100000;</span> |
| <span class="source-line-no">125</span><span id="line-125"> int numBlocks = 9;</span> |
| <span class="source-line-no">126</span><span id="line-126"> long blockSize = calculateBlockSizeDefault(maxSize, numBlocks);</span> |
| <span class="source-line-no">127</span><span id="line-127"> assertTrue("calculateBlockSize appears broken.", blockSize * numBlocks <= maxSize);</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> LruBlockCache cache = new LruBlockCache(maxSize, blockSize);</span> |
| <span class="source-line-no">130</span><span id="line-130"> EvictionThread evictionThread = cache.getEvictionThread();</span> |
| <span class="source-line-no">131</span><span id="line-131"> assertTrue(evictionThread != null);</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> CachedItem[] blocks = generateFixedBlocks(numBlocks + 1, blockSize, "block");</span> |
| <span class="source-line-no">134</span><span id="line-134"></span> |
| <span class="source-line-no">135</span><span id="line-135"> // Make sure eviction thread has entered run method</span> |
| <span class="source-line-no">136</span><span id="line-136"> Waiter.waitFor(CONF, 10000, 10, () -> evictionThread.isEnteringRun());</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> // Add all the blocks</span> |
| <span class="source-line-no">139</span><span id="line-139"> for (CachedItem block : blocks) {</span> |
| <span class="source-line-no">140</span><span id="line-140"> cache.cacheBlock(block.cacheKey, block);</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"> // wait until at least one eviction has run</span> |
| <span class="source-line-no">144</span><span id="line-144"> Waiter.waitFor(CONF, 30000, 200, new ExplainingPredicate<Exception>() {</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> @Override</span> |
| <span class="source-line-no">147</span><span id="line-147"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">148</span><span id="line-148"> return cache.getStats().getEvictionCount() > 0;</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 String explainFailure() throws Exception {</span> |
| <span class="source-line-no">153</span><span id="line-153"> return "Eviction never happened.";</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"></span> |
| <span class="source-line-no">157</span><span id="line-157"> // let cache stabilize</span> |
| <span class="source-line-no">158</span><span id="line-158"> // On some systems, the cache will run multiple evictions before it attains</span> |
| <span class="source-line-no">159</span><span id="line-159"> // steady-state. For instance, after populating the cache with 10 blocks,</span> |
| <span class="source-line-no">160</span><span id="line-160"> // the first eviction evicts a single block and then a second eviction</span> |
| <span class="source-line-no">161</span><span id="line-161"> // evicts another. I think this is due to the delta between minSize and</span> |
| <span class="source-line-no">162</span><span id="line-162"> // acceptableSize, combined with variance between object overhead on</span> |
| <span class="source-line-no">163</span><span id="line-163"> // different environments.</span> |
| <span class="source-line-no">164</span><span id="line-164"> int n = 0;</span> |
| <span class="source-line-no">165</span><span id="line-165"> for (long prevCnt = 0 /* < number of blocks added */, curCnt = cache.getBlockCount(); prevCnt</span> |
| <span class="source-line-no">166</span><span id="line-166"> != curCnt; prevCnt = curCnt, curCnt = cache.getBlockCount()) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> Thread.sleep(200);</span> |
| <span class="source-line-no">168</span><span id="line-168"> assertTrue("Cache never stabilized.", n++ < 100);</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"> long evictionCount = cache.getStats().getEvictionCount();</span> |
| <span class="source-line-no">172</span><span id="line-172"> assertTrue(evictionCount >= 1);</span> |
| <span class="source-line-no">173</span><span id="line-173"> LOG.info("Background Evictions run: {}", evictionCount);</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"></span> |
| <span class="source-line-no">176</span><span id="line-176"> @Test</span> |
| <span class="source-line-no">177</span><span id="line-177"> public void testCacheSimple() throws Exception {</span> |
| <span class="source-line-no">178</span><span id="line-178"> long maxSize = 1000000;</span> |
| <span class="source-line-no">179</span><span id="line-179"> long blockSize = calculateBlockSizeDefault(maxSize, 101);</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> LruBlockCache cache = new LruBlockCache(maxSize, blockSize);</span> |
| <span class="source-line-no">182</span><span id="line-182"></span> |
| <span class="source-line-no">183</span><span id="line-183"> CachedItem[] blocks = generateRandomBlocks(100, blockSize);</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> long expectedCacheSize = cache.heapSize();</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> // Confirm empty</span> |
| <span class="source-line-no">188</span><span id="line-188"> for (CachedItem block : blocks) {</span> |
| <span class="source-line-no">189</span><span id="line-189"> assertTrue(cache.getBlock(block.cacheKey, true, false, true) == null);</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"> // Add blocks</span> |
| <span class="source-line-no">193</span><span id="line-193"> for (CachedItem block : blocks) {</span> |
| <span class="source-line-no">194</span><span id="line-194"> cache.cacheBlock(block.cacheKey, block);</span> |
| <span class="source-line-no">195</span><span id="line-195"> expectedCacheSize += block.cacheBlockHeapSize();</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"></span> |
| <span class="source-line-no">198</span><span id="line-198"> // Verify correctly calculated cache heap size</span> |
| <span class="source-line-no">199</span><span id="line-199"> assertEquals(expectedCacheSize, cache.heapSize());</span> |
| <span class="source-line-no">200</span><span id="line-200"></span> |
| <span class="source-line-no">201</span><span id="line-201"> // Check if all blocks are properly cached and retrieved</span> |
| <span class="source-line-no">202</span><span id="line-202"> for (CachedItem block : blocks) {</span> |
| <span class="source-line-no">203</span><span id="line-203"> HeapSize buf = cache.getBlock(block.cacheKey, true, false, true);</span> |
| <span class="source-line-no">204</span><span id="line-204"> assertTrue(buf != null);</span> |
| <span class="source-line-no">205</span><span id="line-205"> assertEquals(buf.heapSize(), block.heapSize());</span> |
| <span class="source-line-no">206</span><span id="line-206"> }</span> |
| <span class="source-line-no">207</span><span id="line-207"></span> |
| <span class="source-line-no">208</span><span id="line-208"> // Re-add same blocks and ensure nothing has changed</span> |
| <span class="source-line-no">209</span><span id="line-209"> long expectedBlockCount = cache.getBlockCount();</span> |
| <span class="source-line-no">210</span><span id="line-210"> for (CachedItem block : blocks) {</span> |
| <span class="source-line-no">211</span><span id="line-211"> cache.cacheBlock(block.cacheKey, block);</span> |
| <span class="source-line-no">212</span><span id="line-212"> }</span> |
| <span class="source-line-no">213</span><span id="line-213"> assertEquals("Cache should ignore cache requests for blocks already in cache",</span> |
| <span class="source-line-no">214</span><span id="line-214"> expectedBlockCount, cache.getBlockCount());</span> |
| <span class="source-line-no">215</span><span id="line-215"></span> |
| <span class="source-line-no">216</span><span id="line-216"> // Verify correctly calculated cache heap size</span> |
| <span class="source-line-no">217</span><span id="line-217"> assertEquals(expectedCacheSize, cache.heapSize());</span> |
| <span class="source-line-no">218</span><span id="line-218"></span> |
| <span class="source-line-no">219</span><span id="line-219"> // Check if all blocks are properly cached and retrieved</span> |
| <span class="source-line-no">220</span><span id="line-220"> for (CachedItem block : blocks) {</span> |
| <span class="source-line-no">221</span><span id="line-221"> HeapSize buf = cache.getBlock(block.cacheKey, true, false, true);</span> |
| <span class="source-line-no">222</span><span id="line-222"> assertTrue(buf != null);</span> |
| <span class="source-line-no">223</span><span id="line-223"> assertEquals(buf.heapSize(), block.heapSize());</span> |
| <span class="source-line-no">224</span><span id="line-224"> }</span> |
| <span class="source-line-no">225</span><span id="line-225"></span> |
| <span class="source-line-no">226</span><span id="line-226"> // Expect no evictions</span> |
| <span class="source-line-no">227</span><span id="line-227"> assertEquals(0, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">228</span><span id="line-228"> Thread t = new LruBlockCache.StatisticsThread(cache);</span> |
| <span class="source-line-no">229</span><span id="line-229"> t.start();</span> |
| <span class="source-line-no">230</span><span id="line-230"> t.join();</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"></span> |
| <span class="source-line-no">233</span><span id="line-233"> @Test</span> |
| <span class="source-line-no">234</span><span id="line-234"> public void testCacheEvictionSimple() throws Exception {</span> |
| <span class="source-line-no">235</span><span id="line-235"> long maxSize = 100000;</span> |
| <span class="source-line-no">236</span><span id="line-236"> long blockSize = calculateBlockSizeDefault(maxSize, 10);</span> |
| <span class="source-line-no">237</span><span id="line-237"></span> |
| <span class="source-line-no">238</span><span id="line-238"> LruBlockCache cache = new LruBlockCache(maxSize, blockSize, false);</span> |
| <span class="source-line-no">239</span><span id="line-239"></span> |
| <span class="source-line-no">240</span><span id="line-240"> CachedItem[] blocks = generateFixedBlocks(10, blockSize, "block");</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> long expectedCacheSize = cache.heapSize();</span> |
| <span class="source-line-no">243</span><span id="line-243"></span> |
| <span class="source-line-no">244</span><span id="line-244"> // Add all the blocks</span> |
| <span class="source-line-no">245</span><span id="line-245"> for (CachedItem block : blocks) {</span> |
| <span class="source-line-no">246</span><span id="line-246"> cache.cacheBlock(block.cacheKey, block);</span> |
| <span class="source-line-no">247</span><span id="line-247"> expectedCacheSize += block.cacheBlockHeapSize();</span> |
| <span class="source-line-no">248</span><span id="line-248"> }</span> |
| <span class="source-line-no">249</span><span id="line-249"></span> |
| <span class="source-line-no">250</span><span id="line-250"> // A single eviction run should have occurred</span> |
| <span class="source-line-no">251</span><span id="line-251"> assertEquals(1, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">252</span><span id="line-252"></span> |
| <span class="source-line-no">253</span><span id="line-253"> // Our expected size overruns acceptable limit</span> |
| <span class="source-line-no">254</span><span id="line-254"> assertTrue(expectedCacheSize > (maxSize * LruBlockCache.DEFAULT_ACCEPTABLE_FACTOR));</span> |
| <span class="source-line-no">255</span><span id="line-255"></span> |
| <span class="source-line-no">256</span><span id="line-256"> // But the cache did not grow beyond max</span> |
| <span class="source-line-no">257</span><span id="line-257"> assertTrue(cache.heapSize() < maxSize);</span> |
| <span class="source-line-no">258</span><span id="line-258"></span> |
| <span class="source-line-no">259</span><span id="line-259"> // And is still below the acceptable limit</span> |
| <span class="source-line-no">260</span><span id="line-260"> assertTrue(cache.heapSize() < (maxSize * LruBlockCache.DEFAULT_ACCEPTABLE_FACTOR));</span> |
| <span class="source-line-no">261</span><span id="line-261"></span> |
| <span class="source-line-no">262</span><span id="line-262"> // All blocks except block 0 should be in the cache</span> |
| <span class="source-line-no">263</span><span id="line-263"> assertTrue(cache.getBlock(blocks[0].cacheKey, true, false, true) == null);</span> |
| <span class="source-line-no">264</span><span id="line-264"> for (int i = 1; i < blocks.length; i++) {</span> |
| <span class="source-line-no">265</span><span id="line-265"> assertEquals(cache.getBlock(blocks[i].cacheKey, true, false, true), blocks[i]);</span> |
| <span class="source-line-no">266</span><span id="line-266"> }</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"></span> |
| <span class="source-line-no">269</span><span id="line-269"> @Test</span> |
| <span class="source-line-no">270</span><span id="line-270"> public void testCacheEvictionTwoPriorities() throws Exception {</span> |
| <span class="source-line-no">271</span><span id="line-271"> long maxSize = 100000;</span> |
| <span class="source-line-no">272</span><span id="line-272"> long blockSize = calculateBlockSizeDefault(maxSize, 10);</span> |
| <span class="source-line-no">273</span><span id="line-273"></span> |
| <span class="source-line-no">274</span><span id="line-274"> LruBlockCache cache = new LruBlockCache(maxSize, blockSize, false);</span> |
| <span class="source-line-no">275</span><span id="line-275"></span> |
| <span class="source-line-no">276</span><span id="line-276"> CachedItem[] singleBlocks = generateFixedBlocks(5, 10000, "single");</span> |
| <span class="source-line-no">277</span><span id="line-277"> CachedItem[] multiBlocks = generateFixedBlocks(5, 10000, "multi");</span> |
| <span class="source-line-no">278</span><span id="line-278"></span> |
| <span class="source-line-no">279</span><span id="line-279"> long expectedCacheSize = cache.heapSize();</span> |
| <span class="source-line-no">280</span><span id="line-280"></span> |
| <span class="source-line-no">281</span><span id="line-281"> // Add and get the multi blocks</span> |
| <span class="source-line-no">282</span><span id="line-282"> for (CachedItem block : multiBlocks) {</span> |
| <span class="source-line-no">283</span><span id="line-283"> cache.cacheBlock(block.cacheKey, block);</span> |
| <span class="source-line-no">284</span><span id="line-284"> expectedCacheSize += block.cacheBlockHeapSize();</span> |
| <span class="source-line-no">285</span><span id="line-285"> assertEquals(cache.getBlock(block.cacheKey, true, false, true), block);</span> |
| <span class="source-line-no">286</span><span id="line-286"> }</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> // Add the single blocks (no get)</span> |
| <span class="source-line-no">289</span><span id="line-289"> for (CachedItem block : singleBlocks) {</span> |
| <span class="source-line-no">290</span><span id="line-290"> cache.cacheBlock(block.cacheKey, block);</span> |
| <span class="source-line-no">291</span><span id="line-291"> expectedCacheSize += block.heapSize();</span> |
| <span class="source-line-no">292</span><span id="line-292"> }</span> |
| <span class="source-line-no">293</span><span id="line-293"></span> |
| <span class="source-line-no">294</span><span id="line-294"> // A single eviction run should have occurred</span> |
| <span class="source-line-no">295</span><span id="line-295"> assertEquals(1, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">296</span><span id="line-296"></span> |
| <span class="source-line-no">297</span><span id="line-297"> // We expect two entries evicted</span> |
| <span class="source-line-no">298</span><span id="line-298"> assertEquals(2, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">299</span><span id="line-299"></span> |
| <span class="source-line-no">300</span><span id="line-300"> // Our expected size overruns acceptable limit</span> |
| <span class="source-line-no">301</span><span id="line-301"> assertTrue(expectedCacheSize > (maxSize * LruBlockCache.DEFAULT_ACCEPTABLE_FACTOR));</span> |
| <span class="source-line-no">302</span><span id="line-302"></span> |
| <span class="source-line-no">303</span><span id="line-303"> // But the cache did not grow beyond max</span> |
| <span class="source-line-no">304</span><span id="line-304"> assertTrue(cache.heapSize() <= maxSize);</span> |
| <span class="source-line-no">305</span><span id="line-305"></span> |
| <span class="source-line-no">306</span><span id="line-306"> // And is now below the acceptable limit</span> |
| <span class="source-line-no">307</span><span id="line-307"> assertTrue(cache.heapSize() <= (maxSize * LruBlockCache.DEFAULT_ACCEPTABLE_FACTOR));</span> |
| <span class="source-line-no">308</span><span id="line-308"></span> |
| <span class="source-line-no">309</span><span id="line-309"> // We expect fairness across the two priorities.</span> |
| <span class="source-line-no">310</span><span id="line-310"> // This test makes multi go barely over its limit, in-memory</span> |
| <span class="source-line-no">311</span><span id="line-311"> // empty, and the rest in single. Two single evictions and</span> |
| <span class="source-line-no">312</span><span id="line-312"> // one multi eviction expected.</span> |
| <span class="source-line-no">313</span><span id="line-313"> assertTrue(cache.getBlock(singleBlocks[0].cacheKey, true, false, true) == null);</span> |
| <span class="source-line-no">314</span><span id="line-314"> assertTrue(cache.getBlock(multiBlocks[0].cacheKey, true, false, true) == null);</span> |
| <span class="source-line-no">315</span><span id="line-315"></span> |
| <span class="source-line-no">316</span><span id="line-316"> // And all others to be cached</span> |
| <span class="source-line-no">317</span><span id="line-317"> for (int i = 1; i < 4; i++) {</span> |
| <span class="source-line-no">318</span><span id="line-318"> assertEquals(cache.getBlock(singleBlocks[i].cacheKey, true, false, true), singleBlocks[i]);</span> |
| <span class="source-line-no">319</span><span id="line-319"> assertEquals(cache.getBlock(multiBlocks[i].cacheKey, true, false, true), multiBlocks[i]);</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"> }</span> |
| <span class="source-line-no">322</span><span id="line-322"></span> |
| <span class="source-line-no">323</span><span id="line-323"> @Test</span> |
| <span class="source-line-no">324</span><span id="line-324"> public void testCacheEvictionThreePriorities() throws Exception {</span> |
| <span class="source-line-no">325</span><span id="line-325"> long maxSize = 100000;</span> |
| <span class="source-line-no">326</span><span id="line-326"> long blockSize = calculateBlockSize(maxSize, 10);</span> |
| <span class="source-line-no">327</span><span id="line-327"></span> |
| <span class="source-line-no">328</span><span id="line-328"> LruBlockCache cache =</span> |
| <span class="source-line-no">329</span><span id="line-329"> new LruBlockCache(maxSize, blockSize, false, (int) Math.ceil(1.2 * maxSize / blockSize),</span> |
| <span class="source-line-no">330</span><span id="line-330"> LruBlockCache.DEFAULT_LOAD_FACTOR, LruBlockCache.DEFAULT_CONCURRENCY_LEVEL, 0.98f, // min</span> |
| <span class="source-line-no">331</span><span id="line-331"> 0.99f, // acceptable</span> |
| <span class="source-line-no">332</span><span id="line-332"> 0.33f, // single</span> |
| <span class="source-line-no">333</span><span id="line-333"> 0.33f, // multi</span> |
| <span class="source-line-no">334</span><span id="line-334"> 0.34f, // memory</span> |
| <span class="source-line-no">335</span><span id="line-335"> 1.2f, // limit</span> |
| <span class="source-line-no">336</span><span id="line-336"> false, 16 * 1024 * 1024);</span> |
| <span class="source-line-no">337</span><span id="line-337"></span> |
| <span class="source-line-no">338</span><span id="line-338"> CachedItem[] singleBlocks = generateFixedBlocks(5, blockSize, "single");</span> |
| <span class="source-line-no">339</span><span id="line-339"> CachedItem[] multiBlocks = generateFixedBlocks(5, blockSize, "multi");</span> |
| <span class="source-line-no">340</span><span id="line-340"> CachedItem[] memoryBlocks = generateFixedBlocks(5, blockSize, "memory");</span> |
| <span class="source-line-no">341</span><span id="line-341"></span> |
| <span class="source-line-no">342</span><span id="line-342"> long expectedCacheSize = cache.heapSize();</span> |
| <span class="source-line-no">343</span><span id="line-343"></span> |
| <span class="source-line-no">344</span><span id="line-344"> // Add 3 blocks from each priority</span> |
| <span class="source-line-no">345</span><span id="line-345"> for (int i = 0; i < 3; i++) {</span> |
| <span class="source-line-no">346</span><span id="line-346"></span> |
| <span class="source-line-no">347</span><span id="line-347"> // Just add single blocks</span> |
| <span class="source-line-no">348</span><span id="line-348"> cache.cacheBlock(singleBlocks[i].cacheKey, singleBlocks[i]);</span> |
| <span class="source-line-no">349</span><span id="line-349"> expectedCacheSize += singleBlocks[i].cacheBlockHeapSize();</span> |
| <span class="source-line-no">350</span><span id="line-350"></span> |
| <span class="source-line-no">351</span><span id="line-351"> // Add and get multi blocks</span> |
| <span class="source-line-no">352</span><span id="line-352"> cache.cacheBlock(multiBlocks[i].cacheKey, multiBlocks[i]);</span> |
| <span class="source-line-no">353</span><span id="line-353"> expectedCacheSize += multiBlocks[i].cacheBlockHeapSize();</span> |
| <span class="source-line-no">354</span><span id="line-354"> cache.getBlock(multiBlocks[i].cacheKey, true, false, true);</span> |
| <span class="source-line-no">355</span><span id="line-355"></span> |
| <span class="source-line-no">356</span><span id="line-356"> // Add memory blocks as such</span> |
| <span class="source-line-no">357</span><span id="line-357"> cache.cacheBlock(memoryBlocks[i].cacheKey, memoryBlocks[i], true);</span> |
| <span class="source-line-no">358</span><span id="line-358"> expectedCacheSize += memoryBlocks[i].cacheBlockHeapSize();</span> |
| <span class="source-line-no">359</span><span id="line-359"></span> |
| <span class="source-line-no">360</span><span id="line-360"> }</span> |
| <span class="source-line-no">361</span><span id="line-361"></span> |
| <span class="source-line-no">362</span><span id="line-362"> // Do not expect any evictions yet</span> |
| <span class="source-line-no">363</span><span id="line-363"> assertEquals(0, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">364</span><span id="line-364"></span> |
| <span class="source-line-no">365</span><span id="line-365"> // Verify cache size</span> |
| <span class="source-line-no">366</span><span id="line-366"> assertEquals(expectedCacheSize, cache.heapSize());</span> |
| <span class="source-line-no">367</span><span id="line-367"></span> |
| <span class="source-line-no">368</span><span id="line-368"> // Insert a single block, oldest single should be evicted</span> |
| <span class="source-line-no">369</span><span id="line-369"> cache.cacheBlock(singleBlocks[3].cacheKey, singleBlocks[3]);</span> |
| <span class="source-line-no">370</span><span id="line-370"></span> |
| <span class="source-line-no">371</span><span id="line-371"> // Single eviction, one thing evicted</span> |
| <span class="source-line-no">372</span><span id="line-372"> assertEquals(1, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">373</span><span id="line-373"> assertEquals(1, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">374</span><span id="line-374"></span> |
| <span class="source-line-no">375</span><span id="line-375"> // Verify oldest single block is the one evicted</span> |
| <span class="source-line-no">376</span><span id="line-376"> assertEquals(null, cache.getBlock(singleBlocks[0].cacheKey, true, false, true));</span> |
| <span class="source-line-no">377</span><span id="line-377"></span> |
| <span class="source-line-no">378</span><span id="line-378"> // Change the oldest remaining single block to a multi</span> |
| <span class="source-line-no">379</span><span id="line-379"> cache.getBlock(singleBlocks[1].cacheKey, true, false, true);</span> |
| <span class="source-line-no">380</span><span id="line-380"></span> |
| <span class="source-line-no">381</span><span id="line-381"> // Insert another single block</span> |
| <span class="source-line-no">382</span><span id="line-382"> cache.cacheBlock(singleBlocks[4].cacheKey, singleBlocks[4]);</span> |
| <span class="source-line-no">383</span><span id="line-383"></span> |
| <span class="source-line-no">384</span><span id="line-384"> // Two evictions, two evicted.</span> |
| <span class="source-line-no">385</span><span id="line-385"> assertEquals(2, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">386</span><span id="line-386"> assertEquals(2, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">387</span><span id="line-387"></span> |
| <span class="source-line-no">388</span><span id="line-388"> // Oldest multi block should be evicted now</span> |
| <span class="source-line-no">389</span><span id="line-389"> assertEquals(null, cache.getBlock(multiBlocks[0].cacheKey, true, false, true));</span> |
| <span class="source-line-no">390</span><span id="line-390"></span> |
| <span class="source-line-no">391</span><span id="line-391"> // Insert another memory block</span> |
| <span class="source-line-no">392</span><span id="line-392"> cache.cacheBlock(memoryBlocks[3].cacheKey, memoryBlocks[3], true);</span> |
| <span class="source-line-no">393</span><span id="line-393"></span> |
| <span class="source-line-no">394</span><span id="line-394"> // Three evictions, three evicted.</span> |
| <span class="source-line-no">395</span><span id="line-395"> assertEquals(3, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">396</span><span id="line-396"> assertEquals(3, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">397</span><span id="line-397"></span> |
| <span class="source-line-no">398</span><span id="line-398"> // Oldest memory block should be evicted now</span> |
| <span class="source-line-no">399</span><span id="line-399"> assertEquals(null, cache.getBlock(memoryBlocks[0].cacheKey, true, false, true));</span> |
| <span class="source-line-no">400</span><span id="line-400"></span> |
| <span class="source-line-no">401</span><span id="line-401"> // Add a block that is twice as big (should force two evictions)</span> |
| <span class="source-line-no">402</span><span id="line-402"> CachedItem[] bigBlocks = generateFixedBlocks(3, blockSize * 3, "big");</span> |
| <span class="source-line-no">403</span><span id="line-403"> cache.cacheBlock(bigBlocks[0].cacheKey, bigBlocks[0]);</span> |
| <span class="source-line-no">404</span><span id="line-404"></span> |
| <span class="source-line-no">405</span><span id="line-405"> // Four evictions, six evicted (inserted block 3X size, expect +3 evicted)</span> |
| <span class="source-line-no">406</span><span id="line-406"> assertEquals(4, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">407</span><span id="line-407"> assertEquals(6, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">408</span><span id="line-408"></span> |
| <span class="source-line-no">409</span><span id="line-409"> // Expect three remaining singles to be evicted</span> |
| <span class="source-line-no">410</span><span id="line-410"> assertEquals(null, cache.getBlock(singleBlocks[2].cacheKey, true, false, true));</span> |
| <span class="source-line-no">411</span><span id="line-411"> assertEquals(null, cache.getBlock(singleBlocks[3].cacheKey, true, false, true));</span> |
| <span class="source-line-no">412</span><span id="line-412"> assertEquals(null, cache.getBlock(singleBlocks[4].cacheKey, true, false, true));</span> |
| <span class="source-line-no">413</span><span id="line-413"></span> |
| <span class="source-line-no">414</span><span id="line-414"> // Make the big block a multi block</span> |
| <span class="source-line-no">415</span><span id="line-415"> cache.getBlock(bigBlocks[0].cacheKey, true, false, true);</span> |
| <span class="source-line-no">416</span><span id="line-416"></span> |
| <span class="source-line-no">417</span><span id="line-417"> // Cache another single big block</span> |
| <span class="source-line-no">418</span><span id="line-418"> cache.cacheBlock(bigBlocks[1].cacheKey, bigBlocks[1]);</span> |
| <span class="source-line-no">419</span><span id="line-419"></span> |
| <span class="source-line-no">420</span><span id="line-420"> // Five evictions, nine evicted (3 new)</span> |
| <span class="source-line-no">421</span><span id="line-421"> assertEquals(5, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">422</span><span id="line-422"> assertEquals(9, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">423</span><span id="line-423"></span> |
| <span class="source-line-no">424</span><span id="line-424"> // Expect three remaining multis to be evicted</span> |
| <span class="source-line-no">425</span><span id="line-425"> assertEquals(null, cache.getBlock(singleBlocks[1].cacheKey, true, false, true));</span> |
| <span class="source-line-no">426</span><span id="line-426"> assertEquals(null, cache.getBlock(multiBlocks[1].cacheKey, true, false, true));</span> |
| <span class="source-line-no">427</span><span id="line-427"> assertEquals(null, cache.getBlock(multiBlocks[2].cacheKey, true, false, true));</span> |
| <span class="source-line-no">428</span><span id="line-428"></span> |
| <span class="source-line-no">429</span><span id="line-429"> // Cache a big memory block</span> |
| <span class="source-line-no">430</span><span id="line-430"> cache.cacheBlock(bigBlocks[2].cacheKey, bigBlocks[2], true);</span> |
| <span class="source-line-no">431</span><span id="line-431"></span> |
| <span class="source-line-no">432</span><span id="line-432"> // Six evictions, twelve evicted (3 new)</span> |
| <span class="source-line-no">433</span><span id="line-433"> assertEquals(6, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">434</span><span id="line-434"> assertEquals(12, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">435</span><span id="line-435"></span> |
| <span class="source-line-no">436</span><span id="line-436"> // Expect three remaining in-memory to be evicted</span> |
| <span class="source-line-no">437</span><span id="line-437"> assertEquals(null, cache.getBlock(memoryBlocks[1].cacheKey, true, false, true));</span> |
| <span class="source-line-no">438</span><span id="line-438"> assertEquals(null, cache.getBlock(memoryBlocks[2].cacheKey, true, false, true));</span> |
| <span class="source-line-no">439</span><span id="line-439"> assertEquals(null, cache.getBlock(memoryBlocks[3].cacheKey, true, false, true));</span> |
| <span class="source-line-no">440</span><span id="line-440"> }</span> |
| <span class="source-line-no">441</span><span id="line-441"></span> |
| <span class="source-line-no">442</span><span id="line-442"> @Test</span> |
| <span class="source-line-no">443</span><span id="line-443"> public void testCacheEvictionInMemoryForceMode() throws Exception {</span> |
| <span class="source-line-no">444</span><span id="line-444"> long maxSize = 100000;</span> |
| <span class="source-line-no">445</span><span id="line-445"> long blockSize = calculateBlockSize(maxSize, 10);</span> |
| <span class="source-line-no">446</span><span id="line-446"></span> |
| <span class="source-line-no">447</span><span id="line-447"> LruBlockCache cache =</span> |
| <span class="source-line-no">448</span><span id="line-448"> new LruBlockCache(maxSize, blockSize, false, (int) Math.ceil(1.2 * maxSize / blockSize),</span> |
| <span class="source-line-no">449</span><span id="line-449"> LruBlockCache.DEFAULT_LOAD_FACTOR, LruBlockCache.DEFAULT_CONCURRENCY_LEVEL, 0.98f, // min</span> |
| <span class="source-line-no">450</span><span id="line-450"> 0.99f, // acceptable</span> |
| <span class="source-line-no">451</span><span id="line-451"> 0.2f, // single</span> |
| <span class="source-line-no">452</span><span id="line-452"> 0.3f, // multi</span> |
| <span class="source-line-no">453</span><span id="line-453"> 0.5f, // memory</span> |
| <span class="source-line-no">454</span><span id="line-454"> 1.2f, // limit</span> |
| <span class="source-line-no">455</span><span id="line-455"> true, 16 * 1024 * 1024);</span> |
| <span class="source-line-no">456</span><span id="line-456"></span> |
| <span class="source-line-no">457</span><span id="line-457"> CachedItem[] singleBlocks = generateFixedBlocks(10, blockSize, "single");</span> |
| <span class="source-line-no">458</span><span id="line-458"> CachedItem[] multiBlocks = generateFixedBlocks(10, blockSize, "multi");</span> |
| <span class="source-line-no">459</span><span id="line-459"> CachedItem[] memoryBlocks = generateFixedBlocks(10, blockSize, "memory");</span> |
| <span class="source-line-no">460</span><span id="line-460"></span> |
| <span class="source-line-no">461</span><span id="line-461"> long expectedCacheSize = cache.heapSize();</span> |
| <span class="source-line-no">462</span><span id="line-462"></span> |
| <span class="source-line-no">463</span><span id="line-463"> // 0. Add 5 single blocks and 4 multi blocks to make cache full, si:mu:me = 5:4:0</span> |
| <span class="source-line-no">464</span><span id="line-464"> for (int i = 0; i < 4; i++) {</span> |
| <span class="source-line-no">465</span><span id="line-465"> // Just add single blocks</span> |
| <span class="source-line-no">466</span><span id="line-466"> cache.cacheBlock(singleBlocks[i].cacheKey, singleBlocks[i]);</span> |
| <span class="source-line-no">467</span><span id="line-467"> expectedCacheSize += singleBlocks[i].cacheBlockHeapSize();</span> |
| <span class="source-line-no">468</span><span id="line-468"> // Add and get multi blocks</span> |
| <span class="source-line-no">469</span><span id="line-469"> cache.cacheBlock(multiBlocks[i].cacheKey, multiBlocks[i]);</span> |
| <span class="source-line-no">470</span><span id="line-470"> expectedCacheSize += multiBlocks[i].cacheBlockHeapSize();</span> |
| <span class="source-line-no">471</span><span id="line-471"> cache.getBlock(multiBlocks[i].cacheKey, true, false, true);</span> |
| <span class="source-line-no">472</span><span id="line-472"> }</span> |
| <span class="source-line-no">473</span><span id="line-473"> // 5th single block</span> |
| <span class="source-line-no">474</span><span id="line-474"> cache.cacheBlock(singleBlocks[4].cacheKey, singleBlocks[4]);</span> |
| <span class="source-line-no">475</span><span id="line-475"> expectedCacheSize += singleBlocks[4].cacheBlockHeapSize();</span> |
| <span class="source-line-no">476</span><span id="line-476"> // Do not expect any evictions yet</span> |
| <span class="source-line-no">477</span><span id="line-477"> assertEquals(0, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">478</span><span id="line-478"> // Verify cache size</span> |
| <span class="source-line-no">479</span><span id="line-479"> assertEquals(expectedCacheSize, cache.heapSize());</span> |
| <span class="source-line-no">480</span><span id="line-480"></span> |
| <span class="source-line-no">481</span><span id="line-481"> // 1. Insert a memory block, oldest single should be evicted, si:mu:me = 4:4:1</span> |
| <span class="source-line-no">482</span><span id="line-482"> cache.cacheBlock(memoryBlocks[0].cacheKey, memoryBlocks[0], true);</span> |
| <span class="source-line-no">483</span><span id="line-483"> // Single eviction, one block evicted</span> |
| <span class="source-line-no">484</span><span id="line-484"> assertEquals(1, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">485</span><span id="line-485"> assertEquals(1, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">486</span><span id="line-486"> // Verify oldest single block (index = 0) is the one evicted</span> |
| <span class="source-line-no">487</span><span id="line-487"> assertEquals(null, cache.getBlock(singleBlocks[0].cacheKey, true, false, true));</span> |
| <span class="source-line-no">488</span><span id="line-488"></span> |
| <span class="source-line-no">489</span><span id="line-489"> // 2. Insert another memory block, another single evicted, si:mu:me = 3:4:2</span> |
| <span class="source-line-no">490</span><span id="line-490"> cache.cacheBlock(memoryBlocks[1].cacheKey, memoryBlocks[1], true);</span> |
| <span class="source-line-no">491</span><span id="line-491"> // Two evictions, two evicted.</span> |
| <span class="source-line-no">492</span><span id="line-492"> assertEquals(2, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">493</span><span id="line-493"> assertEquals(2, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">494</span><span id="line-494"> // Current oldest single block (index = 1) should be evicted now</span> |
| <span class="source-line-no">495</span><span id="line-495"> assertEquals(null, cache.getBlock(singleBlocks[1].cacheKey, true, false, true));</span> |
| <span class="source-line-no">496</span><span id="line-496"></span> |
| <span class="source-line-no">497</span><span id="line-497"> // 3. Insert 4 memory blocks, 2 single and 2 multi evicted, si:mu:me = 1:2:6</span> |
| <span class="source-line-no">498</span><span id="line-498"> cache.cacheBlock(memoryBlocks[2].cacheKey, memoryBlocks[2], true);</span> |
| <span class="source-line-no">499</span><span id="line-499"> cache.cacheBlock(memoryBlocks[3].cacheKey, memoryBlocks[3], true);</span> |
| <span class="source-line-no">500</span><span id="line-500"> cache.cacheBlock(memoryBlocks[4].cacheKey, memoryBlocks[4], true);</span> |
| <span class="source-line-no">501</span><span id="line-501"> cache.cacheBlock(memoryBlocks[5].cacheKey, memoryBlocks[5], true);</span> |
| <span class="source-line-no">502</span><span id="line-502"> // Three evictions, three evicted.</span> |
| <span class="source-line-no">503</span><span id="line-503"> assertEquals(6, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">504</span><span id="line-504"> assertEquals(6, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">505</span><span id="line-505"> // two oldest single blocks and two oldest multi blocks evicted</span> |
| <span class="source-line-no">506</span><span id="line-506"> assertEquals(null, cache.getBlock(singleBlocks[2].cacheKey, true, false, true));</span> |
| <span class="source-line-no">507</span><span id="line-507"> assertEquals(null, cache.getBlock(singleBlocks[3].cacheKey, true, false, true));</span> |
| <span class="source-line-no">508</span><span id="line-508"> assertEquals(null, cache.getBlock(multiBlocks[0].cacheKey, true, false, true));</span> |
| <span class="source-line-no">509</span><span id="line-509"> assertEquals(null, cache.getBlock(multiBlocks[1].cacheKey, true, false, true));</span> |
| <span class="source-line-no">510</span><span id="line-510"></span> |
| <span class="source-line-no">511</span><span id="line-511"> // 4. Insert 3 memory blocks, the remaining 1 single and 2 multi evicted</span> |
| <span class="source-line-no">512</span><span id="line-512"> // si:mu:me = 0:0:9</span> |
| <span class="source-line-no">513</span><span id="line-513"> cache.cacheBlock(memoryBlocks[6].cacheKey, memoryBlocks[6], true);</span> |
| <span class="source-line-no">514</span><span id="line-514"> cache.cacheBlock(memoryBlocks[7].cacheKey, memoryBlocks[7], true);</span> |
| <span class="source-line-no">515</span><span id="line-515"> cache.cacheBlock(memoryBlocks[8].cacheKey, memoryBlocks[8], true);</span> |
| <span class="source-line-no">516</span><span id="line-516"> // Three evictions, three evicted.</span> |
| <span class="source-line-no">517</span><span id="line-517"> assertEquals(9, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">518</span><span id="line-518"> assertEquals(9, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">519</span><span id="line-519"> // one oldest single block and two oldest multi blocks evicted</span> |
| <span class="source-line-no">520</span><span id="line-520"> assertEquals(null, cache.getBlock(singleBlocks[4].cacheKey, true, false, true));</span> |
| <span class="source-line-no">521</span><span id="line-521"> assertEquals(null, cache.getBlock(multiBlocks[2].cacheKey, true, false, true));</span> |
| <span class="source-line-no">522</span><span id="line-522"> assertEquals(null, cache.getBlock(multiBlocks[3].cacheKey, true, false, true));</span> |
| <span class="source-line-no">523</span><span id="line-523"></span> |
| <span class="source-line-no">524</span><span id="line-524"> // 5. Insert one memory block, the oldest memory evicted</span> |
| <span class="source-line-no">525</span><span id="line-525"> // si:mu:me = 0:0:9</span> |
| <span class="source-line-no">526</span><span id="line-526"> cache.cacheBlock(memoryBlocks[9].cacheKey, memoryBlocks[9], true);</span> |
| <span class="source-line-no">527</span><span id="line-527"> // one eviction, one evicted.</span> |
| <span class="source-line-no">528</span><span id="line-528"> assertEquals(10, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">529</span><span id="line-529"> assertEquals(10, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">530</span><span id="line-530"> // oldest memory block evicted</span> |
| <span class="source-line-no">531</span><span id="line-531"> assertEquals(null, cache.getBlock(memoryBlocks[0].cacheKey, true, false, true));</span> |
| <span class="source-line-no">532</span><span id="line-532"></span> |
| <span class="source-line-no">533</span><span id="line-533"> // 6. Insert one new single block, itself evicted immediately since</span> |
| <span class="source-line-no">534</span><span id="line-534"> // all blocks in cache are memory-type which have higher priority</span> |
| <span class="source-line-no">535</span><span id="line-535"> // si:mu:me = 0:0:9 (no change)</span> |
| <span class="source-line-no">536</span><span id="line-536"> cache.cacheBlock(singleBlocks[9].cacheKey, singleBlocks[9]);</span> |
| <span class="source-line-no">537</span><span id="line-537"> // one eviction, one evicted.</span> |
| <span class="source-line-no">538</span><span id="line-538"> assertEquals(11, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">539</span><span id="line-539"> assertEquals(11, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">540</span><span id="line-540"> // the single block just cached now evicted (can't evict memory)</span> |
| <span class="source-line-no">541</span><span id="line-541"> assertEquals(null, cache.getBlock(singleBlocks[9].cacheKey, true, false, true));</span> |
| <span class="source-line-no">542</span><span id="line-542"> }</span> |
| <span class="source-line-no">543</span><span id="line-543"></span> |
| <span class="source-line-no">544</span><span id="line-544"> // test scan resistance</span> |
| <span class="source-line-no">545</span><span id="line-545"> @Test</span> |
| <span class="source-line-no">546</span><span id="line-546"> public void testScanResistance() throws Exception {</span> |
| <span class="source-line-no">547</span><span id="line-547"></span> |
| <span class="source-line-no">548</span><span id="line-548"> long maxSize = 100000;</span> |
| <span class="source-line-no">549</span><span id="line-549"> long blockSize = calculateBlockSize(maxSize, 10);</span> |
| <span class="source-line-no">550</span><span id="line-550"></span> |
| <span class="source-line-no">551</span><span id="line-551"> LruBlockCache cache =</span> |
| <span class="source-line-no">552</span><span id="line-552"> new LruBlockCache(maxSize, blockSize, false, (int) Math.ceil(1.2 * maxSize / blockSize),</span> |
| <span class="source-line-no">553</span><span id="line-553"> LruBlockCache.DEFAULT_LOAD_FACTOR, LruBlockCache.DEFAULT_CONCURRENCY_LEVEL, 0.66f, // min</span> |
| <span class="source-line-no">554</span><span id="line-554"> 0.99f, // acceptable</span> |
| <span class="source-line-no">555</span><span id="line-555"> 0.33f, // single</span> |
| <span class="source-line-no">556</span><span id="line-556"> 0.33f, // multi</span> |
| <span class="source-line-no">557</span><span id="line-557"> 0.34f, // memory</span> |
| <span class="source-line-no">558</span><span id="line-558"> 1.2f, // limit</span> |
| <span class="source-line-no">559</span><span id="line-559"> false, 16 * 1024 * 1024);</span> |
| <span class="source-line-no">560</span><span id="line-560"></span> |
| <span class="source-line-no">561</span><span id="line-561"> CachedItem[] singleBlocks = generateFixedBlocks(20, blockSize, "single");</span> |
| <span class="source-line-no">562</span><span id="line-562"> CachedItem[] multiBlocks = generateFixedBlocks(5, blockSize, "multi");</span> |
| <span class="source-line-no">563</span><span id="line-563"></span> |
| <span class="source-line-no">564</span><span id="line-564"> // Add 5 multi blocks</span> |
| <span class="source-line-no">565</span><span id="line-565"> for (CachedItem block : multiBlocks) {</span> |
| <span class="source-line-no">566</span><span id="line-566"> cache.cacheBlock(block.cacheKey, block);</span> |
| <span class="source-line-no">567</span><span id="line-567"> cache.getBlock(block.cacheKey, true, false, true);</span> |
| <span class="source-line-no">568</span><span id="line-568"> }</span> |
| <span class="source-line-no">569</span><span id="line-569"></span> |
| <span class="source-line-no">570</span><span id="line-570"> // Add 5 single blocks</span> |
| <span class="source-line-no">571</span><span id="line-571"> for (int i = 0; i < 5; i++) {</span> |
| <span class="source-line-no">572</span><span id="line-572"> cache.cacheBlock(singleBlocks[i].cacheKey, singleBlocks[i]);</span> |
| <span class="source-line-no">573</span><span id="line-573"> }</span> |
| <span class="source-line-no">574</span><span id="line-574"></span> |
| <span class="source-line-no">575</span><span id="line-575"> // An eviction ran</span> |
| <span class="source-line-no">576</span><span id="line-576"> assertEquals(1, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">577</span><span id="line-577"></span> |
| <span class="source-line-no">578</span><span id="line-578"> // To drop down to 2/3 capacity, we'll need to evict 4 blocks</span> |
| <span class="source-line-no">579</span><span id="line-579"> assertEquals(4, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">580</span><span id="line-580"></span> |
| <span class="source-line-no">581</span><span id="line-581"> // Should have been taken off equally from single and multi</span> |
| <span class="source-line-no">582</span><span id="line-582"> assertEquals(null, cache.getBlock(singleBlocks[0].cacheKey, true, false, true));</span> |
| <span class="source-line-no">583</span><span id="line-583"> assertEquals(null, cache.getBlock(singleBlocks[1].cacheKey, true, false, true));</span> |
| <span class="source-line-no">584</span><span id="line-584"> assertEquals(null, cache.getBlock(multiBlocks[0].cacheKey, true, false, true));</span> |
| <span class="source-line-no">585</span><span id="line-585"> assertEquals(null, cache.getBlock(multiBlocks[1].cacheKey, true, false, true));</span> |
| <span class="source-line-no">586</span><span id="line-586"></span> |
| <span class="source-line-no">587</span><span id="line-587"> // Let's keep "scanning" by adding single blocks. From here on we only</span> |
| <span class="source-line-no">588</span><span id="line-588"> // expect evictions from the single bucket.</span> |
| <span class="source-line-no">589</span><span id="line-589"></span> |
| <span class="source-line-no">590</span><span id="line-590"> // Every time we reach 10 total blocks (every 4 inserts) we get 4 single</span> |
| <span class="source-line-no">591</span><span id="line-591"> // blocks evicted. Inserting 13 blocks should yield 3 more evictions and</span> |
| <span class="source-line-no">592</span><span id="line-592"> // 12 more evicted.</span> |
| <span class="source-line-no">593</span><span id="line-593"></span> |
| <span class="source-line-no">594</span><span id="line-594"> for (int i = 5; i < 18; i++) {</span> |
| <span class="source-line-no">595</span><span id="line-595"> cache.cacheBlock(singleBlocks[i].cacheKey, singleBlocks[i]);</span> |
| <span class="source-line-no">596</span><span id="line-596"> }</span> |
| <span class="source-line-no">597</span><span id="line-597"></span> |
| <span class="source-line-no">598</span><span id="line-598"> // 4 total evictions, 16 total evicted</span> |
| <span class="source-line-no">599</span><span id="line-599"> assertEquals(4, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">600</span><span id="line-600"> assertEquals(16, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">601</span><span id="line-601"></span> |
| <span class="source-line-no">602</span><span id="line-602"> // Should now have 7 total blocks</span> |
| <span class="source-line-no">603</span><span id="line-603"> assertEquals(7, cache.getBlockCount());</span> |
| <span class="source-line-no">604</span><span id="line-604"></span> |
| <span class="source-line-no">605</span><span id="line-605"> }</span> |
| <span class="source-line-no">606</span><span id="line-606"></span> |
| <span class="source-line-no">607</span><span id="line-607"> @Test</span> |
| <span class="source-line-no">608</span><span id="line-608"> public void testMaxBlockSize() throws Exception {</span> |
| <span class="source-line-no">609</span><span id="line-609"> long maxSize = 100000;</span> |
| <span class="source-line-no">610</span><span id="line-610"> long blockSize = calculateBlockSize(maxSize, 10);</span> |
| <span class="source-line-no">611</span><span id="line-611"></span> |
| <span class="source-line-no">612</span><span id="line-612"> LruBlockCache cache =</span> |
| <span class="source-line-no">613</span><span id="line-613"> new LruBlockCache(maxSize, blockSize, false, (int) Math.ceil(1.2 * maxSize / blockSize),</span> |
| <span class="source-line-no">614</span><span id="line-614"> LruBlockCache.DEFAULT_LOAD_FACTOR, LruBlockCache.DEFAULT_CONCURRENCY_LEVEL, 0.66f, // min</span> |
| <span class="source-line-no">615</span><span id="line-615"> 0.99f, // acceptable</span> |
| <span class="source-line-no">616</span><span id="line-616"> 0.33f, // single</span> |
| <span class="source-line-no">617</span><span id="line-617"> 0.33f, // multi</span> |
| <span class="source-line-no">618</span><span id="line-618"> 0.34f, // memory</span> |
| <span class="source-line-no">619</span><span id="line-619"> 1.2f, // limit</span> |
| <span class="source-line-no">620</span><span id="line-620"> false, 1024);</span> |
| <span class="source-line-no">621</span><span id="line-621"> CachedItem[] tooLong = generateFixedBlocks(10, 1024 + 5, "long");</span> |
| <span class="source-line-no">622</span><span id="line-622"> CachedItem[] small = generateFixedBlocks(15, 600, "small");</span> |
| <span class="source-line-no">623</span><span id="line-623"></span> |
| <span class="source-line-no">624</span><span id="line-624"> for (CachedItem i : tooLong) {</span> |
| <span class="source-line-no">625</span><span id="line-625"> cache.cacheBlock(i.cacheKey, i);</span> |
| <span class="source-line-no">626</span><span id="line-626"> }</span> |
| <span class="source-line-no">627</span><span id="line-627"> for (CachedItem i : small) {</span> |
| <span class="source-line-no">628</span><span id="line-628"> cache.cacheBlock(i.cacheKey, i);</span> |
| <span class="source-line-no">629</span><span id="line-629"> }</span> |
| <span class="source-line-no">630</span><span id="line-630"> assertEquals(15, cache.getBlockCount());</span> |
| <span class="source-line-no">631</span><span id="line-631"> for (CachedItem i : small) {</span> |
| <span class="source-line-no">632</span><span id="line-632"> assertNotNull(cache.getBlock(i.cacheKey, true, false, false));</span> |
| <span class="source-line-no">633</span><span id="line-633"> }</span> |
| <span class="source-line-no">634</span><span id="line-634"> for (CachedItem i : tooLong) {</span> |
| <span class="source-line-no">635</span><span id="line-635"> assertNull(cache.getBlock(i.cacheKey, true, false, false));</span> |
| <span class="source-line-no">636</span><span id="line-636"> }</span> |
| <span class="source-line-no">637</span><span id="line-637"></span> |
| <span class="source-line-no">638</span><span id="line-638"> assertEquals(10, cache.getStats().getFailedInserts());</span> |
| <span class="source-line-no">639</span><span id="line-639"> }</span> |
| <span class="source-line-no">640</span><span id="line-640"></span> |
| <span class="source-line-no">641</span><span id="line-641"> // test setMaxSize</span> |
| <span class="source-line-no">642</span><span id="line-642"> @Test</span> |
| <span class="source-line-no">643</span><span id="line-643"> public void testResizeBlockCache() throws Exception {</span> |
| <span class="source-line-no">644</span><span id="line-644"> long maxSize = 300000;</span> |
| <span class="source-line-no">645</span><span id="line-645"> long blockSize = calculateBlockSize(maxSize, 31);</span> |
| <span class="source-line-no">646</span><span id="line-646"></span> |
| <span class="source-line-no">647</span><span id="line-647"> LruBlockCache cache =</span> |
| <span class="source-line-no">648</span><span id="line-648"> new LruBlockCache(maxSize, blockSize, false, (int) Math.ceil(1.2 * maxSize / blockSize),</span> |
| <span class="source-line-no">649</span><span id="line-649"> LruBlockCache.DEFAULT_LOAD_FACTOR, LruBlockCache.DEFAULT_CONCURRENCY_LEVEL, 0.98f, // min</span> |
| <span class="source-line-no">650</span><span id="line-650"> 0.99f, // acceptable</span> |
| <span class="source-line-no">651</span><span id="line-651"> 0.33f, // single</span> |
| <span class="source-line-no">652</span><span id="line-652"> 0.33f, // multi</span> |
| <span class="source-line-no">653</span><span id="line-653"> 0.34f, // memory</span> |
| <span class="source-line-no">654</span><span id="line-654"> 1.2f, // limit</span> |
| <span class="source-line-no">655</span><span id="line-655"> false, 16 * 1024 * 1024);</span> |
| <span class="source-line-no">656</span><span id="line-656"></span> |
| <span class="source-line-no">657</span><span id="line-657"> CachedItem[] singleBlocks = generateFixedBlocks(10, blockSize, "single");</span> |
| <span class="source-line-no">658</span><span id="line-658"> CachedItem[] multiBlocks = generateFixedBlocks(10, blockSize, "multi");</span> |
| <span class="source-line-no">659</span><span id="line-659"> CachedItem[] memoryBlocks = generateFixedBlocks(10, blockSize, "memory");</span> |
| <span class="source-line-no">660</span><span id="line-660"></span> |
| <span class="source-line-no">661</span><span id="line-661"> // Add all blocks from all priorities</span> |
| <span class="source-line-no">662</span><span id="line-662"> for (int i = 0; i < 10; i++) {</span> |
| <span class="source-line-no">663</span><span id="line-663"> // Just add single blocks</span> |
| <span class="source-line-no">664</span><span id="line-664"> cache.cacheBlock(singleBlocks[i].cacheKey, singleBlocks[i]);</span> |
| <span class="source-line-no">665</span><span id="line-665"></span> |
| <span class="source-line-no">666</span><span id="line-666"> // Add and get multi blocks</span> |
| <span class="source-line-no">667</span><span id="line-667"> cache.cacheBlock(multiBlocks[i].cacheKey, multiBlocks[i]);</span> |
| <span class="source-line-no">668</span><span id="line-668"> cache.getBlock(multiBlocks[i].cacheKey, true, false, true);</span> |
| <span class="source-line-no">669</span><span id="line-669"></span> |
| <span class="source-line-no">670</span><span id="line-670"> // Add memory blocks as such</span> |
| <span class="source-line-no">671</span><span id="line-671"> cache.cacheBlock(memoryBlocks[i].cacheKey, memoryBlocks[i], true);</span> |
| <span class="source-line-no">672</span><span id="line-672"> }</span> |
| <span class="source-line-no">673</span><span id="line-673"></span> |
| <span class="source-line-no">674</span><span id="line-674"> // Do not expect any evictions yet</span> |
| <span class="source-line-no">675</span><span id="line-675"> assertEquals(0, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">676</span><span id="line-676"></span> |
| <span class="source-line-no">677</span><span id="line-677"> // Resize to half capacity plus an extra block (otherwise we evict an extra)</span> |
| <span class="source-line-no">678</span><span id="line-678"> cache.setMaxSize((long) (maxSize * 0.5f));</span> |
| <span class="source-line-no">679</span><span id="line-679"></span> |
| <span class="source-line-no">680</span><span id="line-680"> // Should have run a single eviction</span> |
| <span class="source-line-no">681</span><span id="line-681"> assertEquals(1, cache.getStats().getEvictionCount());</span> |
| <span class="source-line-no">682</span><span id="line-682"></span> |
| <span class="source-line-no">683</span><span id="line-683"> // And we expect 1/2 of the blocks to be evicted</span> |
| <span class="source-line-no">684</span><span id="line-684"> assertEquals(15, cache.getStats().getEvictedCount());</span> |
| <span class="source-line-no">685</span><span id="line-685"></span> |
| <span class="source-line-no">686</span><span id="line-686"> // And the oldest 5 blocks from each category should be gone</span> |
| <span class="source-line-no">687</span><span id="line-687"> for (int i = 0; i < 5; i++) {</span> |
| <span class="source-line-no">688</span><span id="line-688"> assertEquals(null, cache.getBlock(singleBlocks[i].cacheKey, true, false, true));</span> |
| <span class="source-line-no">689</span><span id="line-689"> assertEquals(null, cache.getBlock(multiBlocks[i].cacheKey, true, false, true));</span> |
| <span class="source-line-no">690</span><span id="line-690"> assertEquals(null, cache.getBlock(memoryBlocks[i].cacheKey, true, false, true));</span> |
| <span class="source-line-no">691</span><span id="line-691"> }</span> |
| <span class="source-line-no">692</span><span id="line-692"></span> |
| <span class="source-line-no">693</span><span id="line-693"> // And the newest 5 blocks should still be accessible</span> |
| <span class="source-line-no">694</span><span id="line-694"> for (int i = 5; i < 10; i++) {</span> |
| <span class="source-line-no">695</span><span id="line-695"> assertEquals(singleBlocks[i], cache.getBlock(singleBlocks[i].cacheKey, true, false, true));</span> |
| <span class="source-line-no">696</span><span id="line-696"> assertEquals(multiBlocks[i], cache.getBlock(multiBlocks[i].cacheKey, true, false, true));</span> |
| <span class="source-line-no">697</span><span id="line-697"> assertEquals(memoryBlocks[i], cache.getBlock(memoryBlocks[i].cacheKey, true, false, true));</span> |
| <span class="source-line-no">698</span><span id="line-698"> }</span> |
| <span class="source-line-no">699</span><span id="line-699"> }</span> |
| <span class="source-line-no">700</span><span id="line-700"></span> |
| <span class="source-line-no">701</span><span id="line-701"> // test metricsPastNPeriods</span> |
| <span class="source-line-no">702</span><span id="line-702"> @Test</span> |
| <span class="source-line-no">703</span><span id="line-703"> public void testPastNPeriodsMetrics() throws Exception {</span> |
| <span class="source-line-no">704</span><span id="line-704"> double delta = 0.01;</span> |
| <span class="source-line-no">705</span><span id="line-705"></span> |
| <span class="source-line-no">706</span><span id="line-706"> // 3 total periods</span> |
| <span class="source-line-no">707</span><span id="line-707"> CacheStats stats = new CacheStats("test", 3);</span> |
| <span class="source-line-no">708</span><span id="line-708"></span> |
| <span class="source-line-no">709</span><span id="line-709"> // No accesses, should be 0</span> |
| <span class="source-line-no">710</span><span id="line-710"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">711</span><span id="line-711"> assertEquals(0.0, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">712</span><span id="line-712"> assertEquals(0.0, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">713</span><span id="line-713"></span> |
| <span class="source-line-no">714</span><span id="line-714"> // period 1, 1 hit caching, 1 hit non-caching, 2 miss non-caching</span> |
| <span class="source-line-no">715</span><span id="line-715"> // should be (2/4)=0.5 and (1/1)=1</span> |
| <span class="source-line-no">716</span><span id="line-716"> stats.hit(false, true, BlockType.DATA);</span> |
| <span class="source-line-no">717</span><span id="line-717"> stats.hit(true, true, BlockType.DATA);</span> |
| <span class="source-line-no">718</span><span id="line-718"> stats.miss(false, false, BlockType.DATA);</span> |
| <span class="source-line-no">719</span><span id="line-719"> stats.miss(false, false, BlockType.DATA);</span> |
| <span class="source-line-no">720</span><span id="line-720"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">721</span><span id="line-721"> assertEquals(0.5, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">722</span><span id="line-722"> assertEquals(1.0, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">723</span><span id="line-723"></span> |
| <span class="source-line-no">724</span><span id="line-724"> // period 2, 1 miss caching, 3 miss non-caching</span> |
| <span class="source-line-no">725</span><span id="line-725"> // should be (2/8)=0.25 and (1/2)=0.5</span> |
| <span class="source-line-no">726</span><span id="line-726"> stats.miss(true, false, BlockType.DATA);</span> |
| <span class="source-line-no">727</span><span id="line-727"> stats.miss(false, false, BlockType.DATA);</span> |
| <span class="source-line-no">728</span><span id="line-728"> stats.miss(false, false, BlockType.DATA);</span> |
| <span class="source-line-no">729</span><span id="line-729"> stats.miss(false, false, BlockType.DATA);</span> |
| <span class="source-line-no">730</span><span id="line-730"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">731</span><span id="line-731"> assertEquals(0.25, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">732</span><span id="line-732"> assertEquals(0.5, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">733</span><span id="line-733"></span> |
| <span class="source-line-no">734</span><span id="line-734"> // period 3, 2 hits of each type</span> |
| <span class="source-line-no">735</span><span id="line-735"> // should be (6/12)=0.5 and (3/4)=0.75</span> |
| <span class="source-line-no">736</span><span id="line-736"> stats.hit(false, true, BlockType.DATA);</span> |
| <span class="source-line-no">737</span><span id="line-737"> stats.hit(true, true, BlockType.DATA);</span> |
| <span class="source-line-no">738</span><span id="line-738"> stats.hit(false, true, BlockType.DATA);</span> |
| <span class="source-line-no">739</span><span id="line-739"> stats.hit(true, true, BlockType.DATA);</span> |
| <span class="source-line-no">740</span><span id="line-740"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">741</span><span id="line-741"> assertEquals(0.5, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">742</span><span id="line-742"> assertEquals(0.75, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">743</span><span id="line-743"></span> |
| <span class="source-line-no">744</span><span id="line-744"> // period 4, evict period 1, two caching misses</span> |
| <span class="source-line-no">745</span><span id="line-745"> // should be (4/10)=0.4 and (2/5)=0.4</span> |
| <span class="source-line-no">746</span><span id="line-746"> stats.miss(true, false, BlockType.DATA);</span> |
| <span class="source-line-no">747</span><span id="line-747"> stats.miss(true, false, BlockType.DATA);</span> |
| <span class="source-line-no">748</span><span id="line-748"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">749</span><span id="line-749"> assertEquals(0.4, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">750</span><span id="line-750"> assertEquals(0.4, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">751</span><span id="line-751"></span> |
| <span class="source-line-no">752</span><span id="line-752"> // period 5, evict period 2, 2 caching misses, 2 non-caching hit</span> |
| <span class="source-line-no">753</span><span id="line-753"> // should be (6/10)=0.6 and (2/6)=1/3</span> |
| <span class="source-line-no">754</span><span id="line-754"> stats.miss(true, false, BlockType.DATA);</span> |
| <span class="source-line-no">755</span><span id="line-755"> stats.miss(true, false, BlockType.DATA);</span> |
| <span class="source-line-no">756</span><span id="line-756"> stats.hit(false, true, BlockType.DATA);</span> |
| <span class="source-line-no">757</span><span id="line-757"> stats.hit(false, true, BlockType.DATA);</span> |
| <span class="source-line-no">758</span><span id="line-758"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">759</span><span id="line-759"> assertEquals(0.6, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">760</span><span id="line-760"> assertEquals((double) 1 / 3, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">761</span><span id="line-761"></span> |
| <span class="source-line-no">762</span><span id="line-762"> // period 6, evict period 3</span> |
| <span class="source-line-no">763</span><span id="line-763"> // should be (2/6)=1/3 and (0/4)=0</span> |
| <span class="source-line-no">764</span><span id="line-764"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">765</span><span id="line-765"> assertEquals((double) 1 / 3, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">766</span><span id="line-766"> assertEquals(0.0, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">767</span><span id="line-767"></span> |
| <span class="source-line-no">768</span><span id="line-768"> // period 7, evict period 4</span> |
| <span class="source-line-no">769</span><span id="line-769"> // should be (2/4)=0.5 and (0/2)=0</span> |
| <span class="source-line-no">770</span><span id="line-770"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">771</span><span id="line-771"> assertEquals(0.5, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">772</span><span id="line-772"> assertEquals(0.0, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">773</span><span id="line-773"></span> |
| <span class="source-line-no">774</span><span id="line-774"> // period 8, evict period 5</span> |
| <span class="source-line-no">775</span><span id="line-775"> // should be 0 and 0</span> |
| <span class="source-line-no">776</span><span id="line-776"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">777</span><span id="line-777"> assertEquals(0.0, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">778</span><span id="line-778"> assertEquals(0.0, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">779</span><span id="line-779"></span> |
| <span class="source-line-no">780</span><span id="line-780"> // period 9, one of each</span> |
| <span class="source-line-no">781</span><span id="line-781"> // should be (2/4)=0.5 and (1/2)=0.5</span> |
| <span class="source-line-no">782</span><span id="line-782"> stats.miss(true, false, BlockType.DATA);</span> |
| <span class="source-line-no">783</span><span id="line-783"> stats.miss(false, false, BlockType.DATA);</span> |
| <span class="source-line-no">784</span><span id="line-784"> stats.hit(true, true, BlockType.DATA);</span> |
| <span class="source-line-no">785</span><span id="line-785"> stats.hit(false, true, BlockType.DATA);</span> |
| <span class="source-line-no">786</span><span id="line-786"> stats.rollMetricsPeriod();</span> |
| <span class="source-line-no">787</span><span id="line-787"> assertEquals(0.5, stats.getHitRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">788</span><span id="line-788"> assertEquals(0.5, stats.getHitCachingRatioPastNPeriods(), delta);</span> |
| <span class="source-line-no">789</span><span id="line-789"> }</span> |
| <span class="source-line-no">790</span><span id="line-790"></span> |
| <span class="source-line-no">791</span><span id="line-791"> @Test</span> |
| <span class="source-line-no">792</span><span id="line-792"> public void testCacheBlockNextBlockMetadataMissing() {</span> |
| <span class="source-line-no">793</span><span id="line-793"> long maxSize = 100000;</span> |
| <span class="source-line-no">794</span><span id="line-794"> long blockSize = calculateBlockSize(maxSize, 10);</span> |
| <span class="source-line-no">795</span><span id="line-795"> int size = 100;</span> |
| <span class="source-line-no">796</span><span id="line-796"> int length = HConstants.HFILEBLOCK_HEADER_SIZE + size;</span> |
| <span class="source-line-no">797</span><span id="line-797"> byte[] byteArr = new byte[length];</span> |
| <span class="source-line-no">798</span><span id="line-798"> ByteBuffer buf = ByteBuffer.wrap(byteArr, 0, size);</span> |
| <span class="source-line-no">799</span><span id="line-799"> HFileContext meta = new HFileContextBuilder().build();</span> |
| <span class="source-line-no">800</span><span id="line-800"> HFileBlock blockWithNextBlockMetadata = new HFileBlock(BlockType.DATA, size, size, -1,</span> |
| <span class="source-line-no">801</span><span id="line-801"> ByteBuff.wrap(buf), HFileBlock.FILL_HEADER, -1, 52, -1, meta, HEAP);</span> |
| <span class="source-line-no">802</span><span id="line-802"> HFileBlock blockWithoutNextBlockMetadata = new HFileBlock(BlockType.DATA, size, size, -1,</span> |
| <span class="source-line-no">803</span><span id="line-803"> ByteBuff.wrap(buf), HFileBlock.FILL_HEADER, -1, -1, -1, meta, HEAP);</span> |
| <span class="source-line-no">804</span><span id="line-804"></span> |
| <span class="source-line-no">805</span><span id="line-805"> LruBlockCache cache =</span> |
| <span class="source-line-no">806</span><span id="line-806"> new LruBlockCache(maxSize, blockSize, false, (int) Math.ceil(1.2 * maxSize / blockSize),</span> |
| <span class="source-line-no">807</span><span id="line-807"> LruBlockCache.DEFAULT_LOAD_FACTOR, LruBlockCache.DEFAULT_CONCURRENCY_LEVEL, 0.66f, // min</span> |
| <span class="source-line-no">808</span><span id="line-808"> 0.99f, // acceptable</span> |
| <span class="source-line-no">809</span><span id="line-809"> 0.33f, // single</span> |
| <span class="source-line-no">810</span><span id="line-810"> 0.33f, // multi</span> |
| <span class="source-line-no">811</span><span id="line-811"> 0.34f, // memory</span> |
| <span class="source-line-no">812</span><span id="line-812"> 1.2f, // limit</span> |
| <span class="source-line-no">813</span><span id="line-813"> false, 1024);</span> |
| <span class="source-line-no">814</span><span id="line-814"></span> |
| <span class="source-line-no">815</span><span id="line-815"> BlockCacheKey key = new BlockCacheKey("key1", 0);</span> |
| <span class="source-line-no">816</span><span id="line-816"> ByteBuffer actualBuffer = ByteBuffer.allocate(length);</span> |
| <span class="source-line-no">817</span><span id="line-817"> ByteBuffer block1Buffer = ByteBuffer.allocate(length);</span> |
| <span class="source-line-no">818</span><span id="line-818"> ByteBuffer block2Buffer = ByteBuffer.allocate(length);</span> |
| <span class="source-line-no">819</span><span id="line-819"> blockWithNextBlockMetadata.serialize(block1Buffer, true);</span> |
| <span class="source-line-no">820</span><span id="line-820"> blockWithoutNextBlockMetadata.serialize(block2Buffer, true);</span> |
| <span class="source-line-no">821</span><span id="line-821"></span> |
| <span class="source-line-no">822</span><span id="line-822"> // Add blockWithNextBlockMetadata, expect blockWithNextBlockMetadata back.</span> |
| <span class="source-line-no">823</span><span id="line-823"> CacheTestUtils.getBlockAndAssertEquals(cache, key, blockWithNextBlockMetadata, actualBuffer,</span> |
| <span class="source-line-no">824</span><span id="line-824"> block1Buffer);</span> |
| <span class="source-line-no">825</span><span id="line-825"></span> |
| <span class="source-line-no">826</span><span id="line-826"> // Add blockWithoutNextBlockMetada, expect blockWithNextBlockMetadata back.</span> |
| <span class="source-line-no">827</span><span id="line-827"> CacheTestUtils.getBlockAndAssertEquals(cache, key, blockWithoutNextBlockMetadata, actualBuffer,</span> |
| <span class="source-line-no">828</span><span id="line-828"> block1Buffer);</span> |
| <span class="source-line-no">829</span><span id="line-829"></span> |
| <span class="source-line-no">830</span><span id="line-830"> // Clear and add blockWithoutNextBlockMetadata</span> |
| <span class="source-line-no">831</span><span id="line-831"> cache.clearCache();</span> |
| <span class="source-line-no">832</span><span id="line-832"> assertNull(cache.getBlock(key, false, false, false));</span> |
| <span class="source-line-no">833</span><span id="line-833"> CacheTestUtils.getBlockAndAssertEquals(cache, key, blockWithoutNextBlockMetadata, actualBuffer,</span> |
| <span class="source-line-no">834</span><span id="line-834"> block2Buffer);</span> |
| <span class="source-line-no">835</span><span id="line-835"></span> |
| <span class="source-line-no">836</span><span id="line-836"> // Add blockWithNextBlockMetadata, expect blockWithNextBlockMetadata to replace.</span> |
| <span class="source-line-no">837</span><span id="line-837"> CacheTestUtils.getBlockAndAssertEquals(cache, key, blockWithNextBlockMetadata, actualBuffer,</span> |
| <span class="source-line-no">838</span><span id="line-838"> block1Buffer);</span> |
| <span class="source-line-no">839</span><span id="line-839"> }</span> |
| <span class="source-line-no">840</span><span id="line-840"></span> |
| <span class="source-line-no">841</span><span id="line-841"> private CachedItem[] generateFixedBlocks(int numBlocks, int size, String pfx) {</span> |
| <span class="source-line-no">842</span><span id="line-842"> CachedItem[] blocks = new CachedItem[numBlocks];</span> |
| <span class="source-line-no">843</span><span id="line-843"> for (int i = 0; i < numBlocks; i++) {</span> |
| <span class="source-line-no">844</span><span id="line-844"> blocks[i] = new CachedItem(pfx + i, size);</span> |
| <span class="source-line-no">845</span><span id="line-845"> }</span> |
| <span class="source-line-no">846</span><span id="line-846"> return blocks;</span> |
| <span class="source-line-no">847</span><span id="line-847"> }</span> |
| <span class="source-line-no">848</span><span id="line-848"></span> |
| <span class="source-line-no">849</span><span id="line-849"> private CachedItem[] generateFixedBlocks(int numBlocks, long size, String pfx) {</span> |
| <span class="source-line-no">850</span><span id="line-850"> return generateFixedBlocks(numBlocks, (int) size, pfx);</span> |
| <span class="source-line-no">851</span><span id="line-851"> }</span> |
| <span class="source-line-no">852</span><span id="line-852"></span> |
| <span class="source-line-no">853</span><span id="line-853"> private CachedItem[] generateRandomBlocks(int numBlocks, long maxSize) {</span> |
| <span class="source-line-no">854</span><span id="line-854"> CachedItem[] blocks = new CachedItem[numBlocks];</span> |
| <span class="source-line-no">855</span><span id="line-855"> Random rand = ThreadLocalRandom.current();</span> |
| <span class="source-line-no">856</span><span id="line-856"> for (int i = 0; i < numBlocks; i++) {</span> |
| <span class="source-line-no">857</span><span id="line-857"> blocks[i] = new CachedItem("block" + i, rand.nextInt((int) maxSize) + 1);</span> |
| <span class="source-line-no">858</span><span id="line-858"> }</span> |
| <span class="source-line-no">859</span><span id="line-859"> return blocks;</span> |
| <span class="source-line-no">860</span><span id="line-860"> }</span> |
| <span class="source-line-no">861</span><span id="line-861"></span> |
| <span class="source-line-no">862</span><span id="line-862"> private long calculateBlockSize(long maxSize, int numBlocks) {</span> |
| <span class="source-line-no">863</span><span id="line-863"> long roughBlockSize = maxSize / numBlocks;</span> |
| <span class="source-line-no">864</span><span id="line-864"> int numEntries = (int) Math.ceil((1.2) * maxSize / roughBlockSize);</span> |
| <span class="source-line-no">865</span><span id="line-865"> long totalOverhead = LruBlockCache.CACHE_FIXED_OVERHEAD + ClassSize.CONCURRENT_HASHMAP</span> |
| <span class="source-line-no">866</span><span id="line-866"> + (numEntries * ClassSize.CONCURRENT_HASHMAP_ENTRY)</span> |
| <span class="source-line-no">867</span><span id="line-867"> + (LruBlockCache.DEFAULT_CONCURRENCY_LEVEL * ClassSize.CONCURRENT_HASHMAP_SEGMENT);</span> |
| <span class="source-line-no">868</span><span id="line-868"> long negateBlockSize = (long) (totalOverhead / numEntries);</span> |
| <span class="source-line-no">869</span><span id="line-869"> negateBlockSize += LruCachedBlock.PER_BLOCK_OVERHEAD;</span> |
| <span class="source-line-no">870</span><span id="line-870"> return ClassSize.align((long) Math.floor((roughBlockSize - negateBlockSize) * 0.99f));</span> |
| <span class="source-line-no">871</span><span id="line-871"> }</span> |
| <span class="source-line-no">872</span><span id="line-872"></span> |
| <span class="source-line-no">873</span><span id="line-873"> private long calculateBlockSizeDefault(long maxSize, int numBlocks) {</span> |
| <span class="source-line-no">874</span><span id="line-874"> long roughBlockSize = maxSize / numBlocks;</span> |
| <span class="source-line-no">875</span><span id="line-875"> int numEntries = (int) Math.ceil((1.2) * maxSize / roughBlockSize);</span> |
| <span class="source-line-no">876</span><span id="line-876"> long totalOverhead = LruBlockCache.CACHE_FIXED_OVERHEAD + ClassSize.CONCURRENT_HASHMAP</span> |
| <span class="source-line-no">877</span><span id="line-877"> + (numEntries * ClassSize.CONCURRENT_HASHMAP_ENTRY)</span> |
| <span class="source-line-no">878</span><span id="line-878"> + (LruBlockCache.DEFAULT_CONCURRENCY_LEVEL * ClassSize.CONCURRENT_HASHMAP_SEGMENT);</span> |
| <span class="source-line-no">879</span><span id="line-879"> long negateBlockSize = totalOverhead / numEntries;</span> |
| <span class="source-line-no">880</span><span id="line-880"> negateBlockSize += LruCachedBlock.PER_BLOCK_OVERHEAD;</span> |
| <span class="source-line-no">881</span><span id="line-881"> return ClassSize.align((long) Math</span> |
| <span class="source-line-no">882</span><span id="line-882"> .floor((roughBlockSize - negateBlockSize) * LruBlockCache.DEFAULT_ACCEPTABLE_FACTOR));</span> |
| <span class="source-line-no">883</span><span id="line-883"> }</span> |
| <span class="source-line-no">884</span><span id="line-884"></span> |
| <span class="source-line-no">885</span><span id="line-885"> private static class CachedItem implements Cacheable {</span> |
| <span class="source-line-no">886</span><span id="line-886"> BlockCacheKey cacheKey;</span> |
| <span class="source-line-no">887</span><span id="line-887"> int size;</span> |
| <span class="source-line-no">888</span><span id="line-888"></span> |
| <span class="source-line-no">889</span><span id="line-889"> CachedItem(String blockName, int size, int offset) {</span> |
| <span class="source-line-no">890</span><span id="line-890"> this.cacheKey = new BlockCacheKey(blockName, offset);</span> |
| <span class="source-line-no">891</span><span id="line-891"> this.size = size;</span> |
| <span class="source-line-no">892</span><span id="line-892"> }</span> |
| <span class="source-line-no">893</span><span id="line-893"></span> |
| <span class="source-line-no">894</span><span id="line-894"> CachedItem(String blockName, int size) {</span> |
| <span class="source-line-no">895</span><span id="line-895"> this.cacheKey = new BlockCacheKey(blockName, 0);</span> |
| <span class="source-line-no">896</span><span id="line-896"> this.size = size;</span> |
| <span class="source-line-no">897</span><span id="line-897"> }</span> |
| <span class="source-line-no">898</span><span id="line-898"></span> |
| <span class="source-line-no">899</span><span id="line-899"> /** The size of this item reported to the block cache layer */</span> |
| <span class="source-line-no">900</span><span id="line-900"> @Override</span> |
| <span class="source-line-no">901</span><span id="line-901"> public long heapSize() {</span> |
| <span class="source-line-no">902</span><span id="line-902"> return ClassSize.align(size);</span> |
| <span class="source-line-no">903</span><span id="line-903"> }</span> |
| <span class="source-line-no">904</span><span id="line-904"></span> |
| <span class="source-line-no">905</span><span id="line-905"> /** Size of the cache block holding this item. Used for verification. */</span> |
| <span class="source-line-no">906</span><span id="line-906"> public long cacheBlockHeapSize() {</span> |
| <span class="source-line-no">907</span><span id="line-907"> return LruCachedBlock.PER_BLOCK_OVERHEAD + ClassSize.align(cacheKey.heapSize())</span> |
| <span class="source-line-no">908</span><span id="line-908"> + ClassSize.align(size);</span> |
| <span class="source-line-no">909</span><span id="line-909"> }</span> |
| <span class="source-line-no">910</span><span id="line-910"></span> |
| <span class="source-line-no">911</span><span id="line-911"> @Override</span> |
| <span class="source-line-no">912</span><span id="line-912"> public int getSerializedLength() {</span> |
| <span class="source-line-no">913</span><span id="line-913"> return 0;</span> |
| <span class="source-line-no">914</span><span id="line-914"> }</span> |
| <span class="source-line-no">915</span><span id="line-915"></span> |
| <span class="source-line-no">916</span><span id="line-916"> @Override</span> |
| <span class="source-line-no">917</span><span id="line-917"> public CacheableDeserializer<Cacheable> getDeserializer() {</span> |
| <span class="source-line-no">918</span><span id="line-918"> return null;</span> |
| <span class="source-line-no">919</span><span id="line-919"> }</span> |
| <span class="source-line-no">920</span><span id="line-920"></span> |
| <span class="source-line-no">921</span><span id="line-921"> @Override</span> |
| <span class="source-line-no">922</span><span id="line-922"> public void serialize(ByteBuffer destination, boolean includeNextBlockMetadata) {</span> |
| <span class="source-line-no">923</span><span id="line-923"> }</span> |
| <span class="source-line-no">924</span><span id="line-924"></span> |
| <span class="source-line-no">925</span><span id="line-925"> @Override</span> |
| <span class="source-line-no">926</span><span id="line-926"> public BlockType getBlockType() {</span> |
| <span class="source-line-no">927</span><span id="line-927"> return BlockType.DATA;</span> |
| <span class="source-line-no">928</span><span id="line-928"> }</span> |
| <span class="source-line-no">929</span><span id="line-929"> }</span> |
| <span class="source-line-no">930</span><span id="line-930"></span> |
| <span class="source-line-no">931</span><span id="line-931"> static void testMultiThreadGetAndEvictBlockInternal(BlockCache cache) throws Exception {</span> |
| <span class="source-line-no">932</span><span id="line-932"> int size = 100;</span> |
| <span class="source-line-no">933</span><span id="line-933"> int length = HConstants.HFILEBLOCK_HEADER_SIZE + size;</span> |
| <span class="source-line-no">934</span><span id="line-934"> byte[] byteArr = new byte[length];</span> |
| <span class="source-line-no">935</span><span id="line-935"> HFileContext meta = new HFileContextBuilder().build();</span> |
| <span class="source-line-no">936</span><span id="line-936"> BlockCacheKey key = new BlockCacheKey("key1", 0);</span> |
| <span class="source-line-no">937</span><span id="line-937"> HFileBlock blk = new HFileBlock(BlockType.DATA, size, size, -1,</span> |
| <span class="source-line-no">938</span><span id="line-938"> ByteBuff.wrap(ByteBuffer.wrap(byteArr, 0, size)), HFileBlock.FILL_HEADER, -1, 52, -1, meta,</span> |
| <span class="source-line-no">939</span><span id="line-939"> HEAP);</span> |
| <span class="source-line-no">940</span><span id="line-940"> AtomicBoolean err1 = new AtomicBoolean(false);</span> |
| <span class="source-line-no">941</span><span id="line-941"> Thread t1 = new Thread(() -> {</span> |
| <span class="source-line-no">942</span><span id="line-942"> for (int i = 0; i < 10000 && !err1.get(); i++) {</span> |
| <span class="source-line-no">943</span><span id="line-943"> try {</span> |
| <span class="source-line-no">944</span><span id="line-944"> cache.getBlock(key, false, false, true);</span> |
| <span class="source-line-no">945</span><span id="line-945"> } catch (Exception e) {</span> |
| <span class="source-line-no">946</span><span id="line-946"> err1.set(true);</span> |
| <span class="source-line-no">947</span><span id="line-947"> LOG.info("Cache block or get block failure: ", e);</span> |
| <span class="source-line-no">948</span><span id="line-948"> }</span> |
| <span class="source-line-no">949</span><span id="line-949"> }</span> |
| <span class="source-line-no">950</span><span id="line-950"> });</span> |
| <span class="source-line-no">951</span><span id="line-951"></span> |
| <span class="source-line-no">952</span><span id="line-952"> AtomicBoolean err2 = new AtomicBoolean(false);</span> |
| <span class="source-line-no">953</span><span id="line-953"> Thread t2 = new Thread(() -> {</span> |
| <span class="source-line-no">954</span><span id="line-954"> for (int i = 0; i < 10000 && !err2.get(); i++) {</span> |
| <span class="source-line-no">955</span><span id="line-955"> try {</span> |
| <span class="source-line-no">956</span><span id="line-956"> cache.evictBlock(key);</span> |
| <span class="source-line-no">957</span><span id="line-957"> } catch (Exception e) {</span> |
| <span class="source-line-no">958</span><span id="line-958"> err2.set(true);</span> |
| <span class="source-line-no">959</span><span id="line-959"> LOG.info("Evict block failure: ", e);</span> |
| <span class="source-line-no">960</span><span id="line-960"> }</span> |
| <span class="source-line-no">961</span><span id="line-961"> }</span> |
| <span class="source-line-no">962</span><span id="line-962"> });</span> |
| <span class="source-line-no">963</span><span id="line-963"></span> |
| <span class="source-line-no">964</span><span id="line-964"> AtomicBoolean err3 = new AtomicBoolean(false);</span> |
| <span class="source-line-no">965</span><span id="line-965"> Thread t3 = new Thread(() -> {</span> |
| <span class="source-line-no">966</span><span id="line-966"> for (int i = 0; i < 10000 && !err3.get(); i++) {</span> |
| <span class="source-line-no">967</span><span id="line-967"> try {</span> |
| <span class="source-line-no">968</span><span id="line-968"> cache.cacheBlock(key, blk);</span> |
| <span class="source-line-no">969</span><span id="line-969"> } catch (Exception e) {</span> |
| <span class="source-line-no">970</span><span id="line-970"> err3.set(true);</span> |
| <span class="source-line-no">971</span><span id="line-971"> LOG.info("Cache block failure: ", e);</span> |
| <span class="source-line-no">972</span><span id="line-972"> }</span> |
| <span class="source-line-no">973</span><span id="line-973"> }</span> |
| <span class="source-line-no">974</span><span id="line-974"> });</span> |
| <span class="source-line-no">975</span><span id="line-975"> t1.start();</span> |
| <span class="source-line-no">976</span><span id="line-976"> t2.start();</span> |
| <span class="source-line-no">977</span><span id="line-977"> t3.start();</span> |
| <span class="source-line-no">978</span><span id="line-978"> t1.join();</span> |
| <span class="source-line-no">979</span><span id="line-979"> t2.join();</span> |
| <span class="source-line-no">980</span><span id="line-980"> t3.join();</span> |
| <span class="source-line-no">981</span><span id="line-981"> Assert.assertFalse(err1.get());</span> |
| <span class="source-line-no">982</span><span id="line-982"> Assert.assertFalse(err2.get());</span> |
| <span class="source-line-no">983</span><span id="line-983"> Assert.assertFalse(err3.get());</span> |
| <span class="source-line-no">984</span><span id="line-984"> }</span> |
| <span class="source-line-no">985</span><span id="line-985"></span> |
| <span class="source-line-no">986</span><span id="line-986"> @Test</span> |
| <span class="source-line-no">987</span><span id="line-987"> public void testMultiThreadGetAndEvictBlock() throws Exception {</span> |
| <span class="source-line-no">988</span><span id="line-988"> long maxSize = 100000;</span> |
| <span class="source-line-no">989</span><span id="line-989"> long blockSize = calculateBlockSize(maxSize, 10);</span> |
| <span class="source-line-no">990</span><span id="line-990"> LruBlockCache cache =</span> |
| <span class="source-line-no">991</span><span id="line-991"> new LruBlockCache(maxSize, blockSize, false, (int) Math.ceil(1.2 * maxSize / blockSize),</span> |
| <span class="source-line-no">992</span><span id="line-992"> LruBlockCache.DEFAULT_LOAD_FACTOR, LruBlockCache.DEFAULT_CONCURRENCY_LEVEL, 0.66f, // min</span> |
| <span class="source-line-no">993</span><span id="line-993"> 0.99f, // acceptable</span> |
| <span class="source-line-no">994</span><span id="line-994"> 0.33f, // single</span> |
| <span class="source-line-no">995</span><span id="line-995"> 0.33f, // multi</span> |
| <span class="source-line-no">996</span><span id="line-996"> 0.34f, // memory</span> |
| <span class="source-line-no">997</span><span id="line-997"> 1.2f, // limit</span> |
| <span class="source-line-no">998</span><span id="line-998"> false, 1024);</span> |
| <span class="source-line-no">999</span><span id="line-999"> testMultiThreadGetAndEvictBlockInternal(cache);</span> |
| <span class="source-line-no">1000</span><span id="line-1000"> }</span> |
| <span class="source-line-no">1001</span><span id="line-1001">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
