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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.junit.Assert.assertArrayEquals;</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.assertNull;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.junit.Assert.fail;</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.io.IOException;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.nio.ByteBuffer;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Arrays;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.HashSet;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.Random;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.ConcurrentLinkedQueue;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.ThreadLocalRandom;</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.fs.Path;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.MultithreadedTestUtil;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.MultithreadedTestUtil.TestThread;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.io.ByteBuffAllocator;</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.compress.Compression;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.nio.ByteBuff;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.ChecksumType;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47">public class CacheTestUtils {</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49"> private static final boolean includesMemstoreTS = true;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> /**</span> |
| <span class="source-line-no">052</span><span id="line-52"> * Just checks if heapsize grows when something is cached, and gets smaller when the same object</span> |
| <span class="source-line-no">053</span><span id="line-53"> * is evicted</span> |
| <span class="source-line-no">054</span><span id="line-54"> */</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> public static void testHeapSizeChanges(final BlockCache toBeTested, final int blockSize) {</span> |
| <span class="source-line-no">057</span><span id="line-57"> HFileBlockPair[] blocks = generateHFileBlocks(blockSize, 1);</span> |
| <span class="source-line-no">058</span><span id="line-58"> long heapSize = ((HeapSize) toBeTested).heapSize();</span> |
| <span class="source-line-no">059</span><span id="line-59"> toBeTested.cacheBlock(blocks[0].blockName, blocks[0].block);</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> /* When we cache something HeapSize should always increase */</span> |
| <span class="source-line-no">062</span><span id="line-62"> assertTrue(heapSize < ((HeapSize) toBeTested).heapSize());</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> toBeTested.evictBlock(blocks[0].blockName);</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> /* Post eviction, heapsize should be the same */</span> |
| <span class="source-line-no">067</span><span id="line-67"> assertEquals(heapSize, ((HeapSize) toBeTested).heapSize());</span> |
| <span class="source-line-no">068</span><span id="line-68"> }</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> public static void testCacheMultiThreaded(final BlockCache toBeTested, final int blockSize,</span> |
| <span class="source-line-no">071</span><span id="line-71"> final int numThreads, final int numQueries, final double passingScore) throws Exception {</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> Configuration conf = new Configuration();</span> |
| <span class="source-line-no">074</span><span id="line-74"> MultithreadedTestUtil.TestContext ctx = new MultithreadedTestUtil.TestContext(conf);</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> final AtomicInteger totalQueries = new AtomicInteger();</span> |
| <span class="source-line-no">077</span><span id="line-77"> final ConcurrentLinkedQueue<HFileBlockPair> blocksToTest = new ConcurrentLinkedQueue<>();</span> |
| <span class="source-line-no">078</span><span id="line-78"> final AtomicInteger hits = new AtomicInteger();</span> |
| <span class="source-line-no">079</span><span id="line-79"> final AtomicInteger miss = new AtomicInteger();</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> HFileBlockPair[] blocks = generateHFileBlocks(numQueries, blockSize);</span> |
| <span class="source-line-no">082</span><span id="line-82"> blocksToTest.addAll(Arrays.asList(blocks));</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> for (int i = 0; i < numThreads; i++) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> TestThread t = new MultithreadedTestUtil.RepeatingTestThread(ctx) {</span> |
| <span class="source-line-no">086</span><span id="line-86"> @Override</span> |
| <span class="source-line-no">087</span><span id="line-87"> public void doAnAction() throws Exception {</span> |
| <span class="source-line-no">088</span><span id="line-88"> if (!blocksToTest.isEmpty()) {</span> |
| <span class="source-line-no">089</span><span id="line-89"> HFileBlockPair ourBlock = blocksToTest.poll();</span> |
| <span class="source-line-no">090</span><span id="line-90"> // if we run out of blocks to test, then we should stop the tests.</span> |
| <span class="source-line-no">091</span><span id="line-91"> if (ourBlock == null) {</span> |
| <span class="source-line-no">092</span><span id="line-92"> ctx.setStopFlag(true);</span> |
| <span class="source-line-no">093</span><span id="line-93"> return;</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"> toBeTested.cacheBlock(ourBlock.blockName, ourBlock.block);</span> |
| <span class="source-line-no">096</span><span id="line-96"> Cacheable retrievedBlock = toBeTested.getBlock(ourBlock.blockName, false, false, true);</span> |
| <span class="source-line-no">097</span><span id="line-97"> if (retrievedBlock != null) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> assertEquals(ourBlock.block, retrievedBlock);</span> |
| <span class="source-line-no">099</span><span id="line-99"> toBeTested.evictBlock(ourBlock.blockName);</span> |
| <span class="source-line-no">100</span><span id="line-100"> hits.incrementAndGet();</span> |
| <span class="source-line-no">101</span><span id="line-101"> assertNull(toBeTested.getBlock(ourBlock.blockName, false, false, true));</span> |
| <span class="source-line-no">102</span><span id="line-102"> } else {</span> |
| <span class="source-line-no">103</span><span id="line-103"> miss.incrementAndGet();</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"> totalQueries.incrementAndGet();</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"> };</span> |
| <span class="source-line-no">109</span><span id="line-109"> t.setDaemon(true);</span> |
| <span class="source-line-no">110</span><span id="line-110"> ctx.addThread(t);</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"> ctx.startThreads();</span> |
| <span class="source-line-no">113</span><span id="line-113"> while (!blocksToTest.isEmpty() && ctx.shouldRun()) {</span> |
| <span class="source-line-no">114</span><span id="line-114"> Thread.sleep(10);</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"> ctx.stop();</span> |
| <span class="source-line-no">117</span><span id="line-117"> if (hits.get() / ((double) hits.get() + (double) miss.get()) < passingScore) {</span> |
| <span class="source-line-no">118</span><span id="line-118"> fail("Too many nulls returned. Hits: " + hits.get() + " Misses: " + miss.get());</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"> public static void testCacheSimple(BlockCache toBeTested, int blockSize, int numBlocks)</span> |
| <span class="source-line-no">123</span><span id="line-123"> throws Exception {</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> HFileBlockPair[] blocks = generateHFileBlocks(blockSize, numBlocks);</span> |
| <span class="source-line-no">126</span><span id="line-126"> // Confirm empty</span> |
| <span class="source-line-no">127</span><span id="line-127"> for (HFileBlockPair block : blocks) {</span> |
| <span class="source-line-no">128</span><span id="line-128"> assertNull(toBeTested.getBlock(block.blockName, true, false, true));</span> |
| <span class="source-line-no">129</span><span id="line-129"> }</span> |
| <span class="source-line-no">130</span><span id="line-130"></span> |
| <span class="source-line-no">131</span><span id="line-131"> // Add blocks</span> |
| <span class="source-line-no">132</span><span id="line-132"> for (HFileBlockPair block : blocks) {</span> |
| <span class="source-line-no">133</span><span id="line-133"> toBeTested.cacheBlock(block.blockName, block.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"></span> |
| <span class="source-line-no">136</span><span id="line-136"> // Check if all blocks are properly cached and contain the right</span> |
| <span class="source-line-no">137</span><span id="line-137"> // information, or the blocks are null.</span> |
| <span class="source-line-no">138</span><span id="line-138"> // MapMaker makes no guarantees when it will evict, so neither can we.</span> |
| <span class="source-line-no">139</span><span id="line-139"></span> |
| <span class="source-line-no">140</span><span id="line-140"> for (HFileBlockPair block : blocks) {</span> |
| <span class="source-line-no">141</span><span id="line-141"> HFileBlock buf = (HFileBlock) toBeTested.getBlock(block.blockName, true, false, true);</span> |
| <span class="source-line-no">142</span><span id="line-142"> if (buf != null) {</span> |
| <span class="source-line-no">143</span><span id="line-143"> assertEquals(block.block, buf);</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"> }</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> // Re-add some duplicate blocks. Hope nothing breaks.</span> |
| <span class="source-line-no">148</span><span id="line-148"></span> |
| <span class="source-line-no">149</span><span id="line-149"> for (HFileBlockPair block : blocks) {</span> |
| <span class="source-line-no">150</span><span id="line-150"> try {</span> |
| <span class="source-line-no">151</span><span id="line-151"> if (toBeTested.getBlock(block.blockName, true, false, true) != null) {</span> |
| <span class="source-line-no">152</span><span id="line-152"> toBeTested.cacheBlock(block.blockName, block.block);</span> |
| <span class="source-line-no">153</span><span id="line-153"> if (!(toBeTested instanceof BucketCache)) {</span> |
| <span class="source-line-no">154</span><span id="line-154"> // BucketCache won't throw exception when caching already cached</span> |
| <span class="source-line-no">155</span><span id="line-155"> // block</span> |
| <span class="source-line-no">156</span><span id="line-156"> fail("Cache should not allow re-caching a block");</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"> } catch (RuntimeException re) {</span> |
| <span class="source-line-no">160</span><span id="line-160"> // expected</span> |
| <span class="source-line-no">161</span><span id="line-161"> }</span> |
| <span class="source-line-no">162</span><span id="line-162"> }</span> |
| <span class="source-line-no">163</span><span id="line-163"></span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"></span> |
| <span class="source-line-no">166</span><span id="line-166"> public static void hammerSingleKey(final BlockCache toBeTested, int numThreads, int numQueries)</span> |
| <span class="source-line-no">167</span><span id="line-167"> throws Exception {</span> |
| <span class="source-line-no">168</span><span id="line-168"> final BlockCacheKey key = new BlockCacheKey("key", 0);</span> |
| <span class="source-line-no">169</span><span id="line-169"> final byte[] buf = new byte[5 * 1024];</span> |
| <span class="source-line-no">170</span><span id="line-170"> Arrays.fill(buf, (byte) 5);</span> |
| <span class="source-line-no">171</span><span id="line-171"></span> |
| <span class="source-line-no">172</span><span id="line-172"> final ByteArrayCacheable bac = new ByteArrayCacheable(buf);</span> |
| <span class="source-line-no">173</span><span id="line-173"> Configuration conf = new Configuration();</span> |
| <span class="source-line-no">174</span><span id="line-174"> MultithreadedTestUtil.TestContext ctx = new MultithreadedTestUtil.TestContext(conf);</span> |
| <span class="source-line-no">175</span><span id="line-175"></span> |
| <span class="source-line-no">176</span><span id="line-176"> final AtomicInteger totalQueries = new AtomicInteger();</span> |
| <span class="source-line-no">177</span><span id="line-177"> toBeTested.cacheBlock(key, bac);</span> |
| <span class="source-line-no">178</span><span id="line-178"></span> |
| <span class="source-line-no">179</span><span id="line-179"> for (int i = 0; i < numThreads; i++) {</span> |
| <span class="source-line-no">180</span><span id="line-180"> TestThread t = new MultithreadedTestUtil.RepeatingTestThread(ctx) {</span> |
| <span class="source-line-no">181</span><span id="line-181"> @Override</span> |
| <span class="source-line-no">182</span><span id="line-182"> public void doAnAction() throws Exception {</span> |
| <span class="source-line-no">183</span><span id="line-183"> ByteArrayCacheable returned =</span> |
| <span class="source-line-no">184</span><span id="line-184"> (ByteArrayCacheable) toBeTested.getBlock(key, false, false, true);</span> |
| <span class="source-line-no">185</span><span id="line-185"> if (returned != null) {</span> |
| <span class="source-line-no">186</span><span id="line-186"> assertArrayEquals(buf, returned.buf);</span> |
| <span class="source-line-no">187</span><span id="line-187"> } else {</span> |
| <span class="source-line-no">188</span><span id="line-188"> Thread.sleep(10);</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"> totalQueries.incrementAndGet();</span> |
| <span class="source-line-no">191</span><span id="line-191"> }</span> |
| <span class="source-line-no">192</span><span id="line-192"> };</span> |
| <span class="source-line-no">193</span><span id="line-193"></span> |
| <span class="source-line-no">194</span><span id="line-194"> t.setDaemon(true);</span> |
| <span class="source-line-no">195</span><span id="line-195"> ctx.addThread(t);</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"> // add a thread to periodically evict and re-cache the block</span> |
| <span class="source-line-no">199</span><span id="line-199"> final long blockEvictPeriod = 50;</span> |
| <span class="source-line-no">200</span><span id="line-200"> TestThread t = new MultithreadedTestUtil.RepeatingTestThread(ctx) {</span> |
| <span class="source-line-no">201</span><span id="line-201"> @Override</span> |
| <span class="source-line-no">202</span><span id="line-202"> public void doAnAction() throws Exception {</span> |
| <span class="source-line-no">203</span><span id="line-203"> toBeTested.evictBlock(key);</span> |
| <span class="source-line-no">204</span><span id="line-204"> toBeTested.cacheBlock(key, bac);</span> |
| <span class="source-line-no">205</span><span id="line-205"> Thread.sleep(blockEvictPeriod);</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"> t.setDaemon(true);</span> |
| <span class="source-line-no">209</span><span id="line-209"> ctx.addThread(t);</span> |
| <span class="source-line-no">210</span><span id="line-210"></span> |
| <span class="source-line-no">211</span><span id="line-211"> ctx.startThreads();</span> |
| <span class="source-line-no">212</span><span id="line-212"> while (totalQueries.get() < numQueries && ctx.shouldRun()) {</span> |
| <span class="source-line-no">213</span><span id="line-213"> Thread.sleep(10);</span> |
| <span class="source-line-no">214</span><span id="line-214"> }</span> |
| <span class="source-line-no">215</span><span id="line-215"> ctx.stop();</span> |
| <span class="source-line-no">216</span><span id="line-216"> }</span> |
| <span class="source-line-no">217</span><span id="line-217"></span> |
| <span class="source-line-no">218</span><span id="line-218"> public static class ByteArrayCacheable implements Cacheable {</span> |
| <span class="source-line-no">219</span><span id="line-219"></span> |
| <span class="source-line-no">220</span><span id="line-220"> static final CacheableDeserializer<Cacheable> blockDeserializer =</span> |
| <span class="source-line-no">221</span><span id="line-221"> new CacheableDeserializer<Cacheable>() {</span> |
| <span class="source-line-no">222</span><span id="line-222"> @Override</span> |
| <span class="source-line-no">223</span><span id="line-223"> public int getDeserializerIdentifier() {</span> |
| <span class="source-line-no">224</span><span id="line-224"> return deserializerIdentifier;</span> |
| <span class="source-line-no">225</span><span id="line-225"> }</span> |
| <span class="source-line-no">226</span><span id="line-226"></span> |
| <span class="source-line-no">227</span><span id="line-227"> @Override</span> |
| <span class="source-line-no">228</span><span id="line-228"> public Cacheable deserialize(ByteBuff b, ByteBuffAllocator alloc) throws IOException {</span> |
| <span class="source-line-no">229</span><span id="line-229"> int len = b.getInt();</span> |
| <span class="source-line-no">230</span><span id="line-230"> Thread.yield();</span> |
| <span class="source-line-no">231</span><span id="line-231"> byte buf[] = new byte[len];</span> |
| <span class="source-line-no">232</span><span id="line-232"> b.get(buf);</span> |
| <span class="source-line-no">233</span><span id="line-233"> return new ByteArrayCacheable(buf);</span> |
| <span class="source-line-no">234</span><span id="line-234"> }</span> |
| <span class="source-line-no">235</span><span id="line-235"> };</span> |
| <span class="source-line-no">236</span><span id="line-236"></span> |
| <span class="source-line-no">237</span><span id="line-237"> final byte[] buf;</span> |
| <span class="source-line-no">238</span><span id="line-238"></span> |
| <span class="source-line-no">239</span><span id="line-239"> public ByteArrayCacheable(byte[] buf) {</span> |
| <span class="source-line-no">240</span><span id="line-240"> this.buf = buf;</span> |
| <span class="source-line-no">241</span><span id="line-241"> }</span> |
| <span class="source-line-no">242</span><span id="line-242"></span> |
| <span class="source-line-no">243</span><span id="line-243"> @Override</span> |
| <span class="source-line-no">244</span><span id="line-244"> public long heapSize() {</span> |
| <span class="source-line-no">245</span><span id="line-245"> return 4L + buf.length;</span> |
| <span class="source-line-no">246</span><span id="line-246"> }</span> |
| <span class="source-line-no">247</span><span id="line-247"></span> |
| <span class="source-line-no">248</span><span id="line-248"> @Override</span> |
| <span class="source-line-no">249</span><span id="line-249"> public int getSerializedLength() {</span> |
| <span class="source-line-no">250</span><span id="line-250"> return 4 + buf.length;</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252"></span> |
| <span class="source-line-no">253</span><span id="line-253"> @Override</span> |
| <span class="source-line-no">254</span><span id="line-254"> public void serialize(ByteBuffer destination, boolean includeNextBlockMetadata) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> destination.putInt(buf.length);</span> |
| <span class="source-line-no">256</span><span id="line-256"> Thread.yield();</span> |
| <span class="source-line-no">257</span><span id="line-257"> destination.put(buf);</span> |
| <span class="source-line-no">258</span><span id="line-258"> destination.rewind();</span> |
| <span class="source-line-no">259</span><span id="line-259"> }</span> |
| <span class="source-line-no">260</span><span id="line-260"></span> |
| <span class="source-line-no">261</span><span id="line-261"> @Override</span> |
| <span class="source-line-no">262</span><span id="line-262"> public CacheableDeserializer<Cacheable> getDeserializer() {</span> |
| <span class="source-line-no">263</span><span id="line-263"> return blockDeserializer;</span> |
| <span class="source-line-no">264</span><span id="line-264"> }</span> |
| <span class="source-line-no">265</span><span id="line-265"></span> |
| <span class="source-line-no">266</span><span id="line-266"> private static final int deserializerIdentifier;</span> |
| <span class="source-line-no">267</span><span id="line-267"> static {</span> |
| <span class="source-line-no">268</span><span id="line-268"> deserializerIdentifier =</span> |
| <span class="source-line-no">269</span><span id="line-269"> CacheableDeserializerIdManager.registerDeserializer(blockDeserializer);</span> |
| <span class="source-line-no">270</span><span id="line-270"> }</span> |
| <span class="source-line-no">271</span><span id="line-271"></span> |
| <span class="source-line-no">272</span><span id="line-272"> @Override</span> |
| <span class="source-line-no">273</span><span id="line-273"> public BlockType getBlockType() {</span> |
| <span class="source-line-no">274</span><span id="line-274"> return BlockType.DATA;</span> |
| <span class="source-line-no">275</span><span id="line-275"> }</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"></span> |
| <span class="source-line-no">278</span><span id="line-278"> public static HFileBlockPair[] generateHFileBlocks(int blockSize, int numBlocks) {</span> |
| <span class="source-line-no">279</span><span id="line-279"> return generateBlocksForPath(blockSize, numBlocks, null);</span> |
| <span class="source-line-no">280</span><span id="line-280"> }</span> |
| <span class="source-line-no">281</span><span id="line-281"></span> |
| <span class="source-line-no">282</span><span id="line-282"> public static HFileBlockPair[] generateBlocksForPath(int blockSize, int numBlocks, Path path) {</span> |
| <span class="source-line-no">283</span><span id="line-283"> HFileBlockPair[] returnedBlocks = new HFileBlockPair[numBlocks];</span> |
| <span class="source-line-no">284</span><span id="line-284"> Random rand = ThreadLocalRandom.current();</span> |
| <span class="source-line-no">285</span><span id="line-285"> HashSet<String> usedStrings = new HashSet<>();</span> |
| <span class="source-line-no">286</span><span id="line-286"> for (int i = 0; i < numBlocks; i++) {</span> |
| <span class="source-line-no">287</span><span id="line-287"> ByteBuffer cachedBuffer = ByteBuffer.allocate(blockSize);</span> |
| <span class="source-line-no">288</span><span id="line-288"> Bytes.random(cachedBuffer.array());</span> |
| <span class="source-line-no">289</span><span id="line-289"> cachedBuffer.rewind();</span> |
| <span class="source-line-no">290</span><span id="line-290"> int onDiskSizeWithoutHeader = blockSize;</span> |
| <span class="source-line-no">291</span><span id="line-291"> int uncompressedSizeWithoutHeader = blockSize;</span> |
| <span class="source-line-no">292</span><span id="line-292"> long prevBlockOffset = rand.nextLong();</span> |
| <span class="source-line-no">293</span><span id="line-293"> BlockType.DATA.write(cachedBuffer);</span> |
| <span class="source-line-no">294</span><span id="line-294"> cachedBuffer.putInt(onDiskSizeWithoutHeader);</span> |
| <span class="source-line-no">295</span><span id="line-295"> cachedBuffer.putInt(uncompressedSizeWithoutHeader);</span> |
| <span class="source-line-no">296</span><span id="line-296"> cachedBuffer.putLong(prevBlockOffset);</span> |
| <span class="source-line-no">297</span><span id="line-297"> cachedBuffer.rewind();</span> |
| <span class="source-line-no">298</span><span id="line-298"> HFileContext meta =</span> |
| <span class="source-line-no">299</span><span id="line-299"> new HFileContextBuilder().withHBaseCheckSum(false).withIncludesMvcc(includesMemstoreTS)</span> |
| <span class="source-line-no">300</span><span id="line-300"> .withIncludesTags(false).withCompression(Compression.Algorithm.NONE)</span> |
| <span class="source-line-no">301</span><span id="line-301"> .withBytesPerCheckSum(0).withChecksumType(ChecksumType.NULL).build();</span> |
| <span class="source-line-no">302</span><span id="line-302"> HFileBlock generated =</span> |
| <span class="source-line-no">303</span><span id="line-303"> new HFileBlock(BlockType.DATA, onDiskSizeWithoutHeader, uncompressedSizeWithoutHeader,</span> |
| <span class="source-line-no">304</span><span id="line-304"> prevBlockOffset, ByteBuff.wrap(cachedBuffer), HFileBlock.DONT_FILL_HEADER, blockSize,</span> |
| <span class="source-line-no">305</span><span id="line-305"> onDiskSizeWithoutHeader + HConstants.HFILEBLOCK_HEADER_SIZE, -1, meta,</span> |
| <span class="source-line-no">306</span><span id="line-306"> ByteBuffAllocator.HEAP);</span> |
| <span class="source-line-no">307</span><span id="line-307"> String key = null;</span> |
| <span class="source-line-no">308</span><span id="line-308"> long offset = 0;</span> |
| <span class="source-line-no">309</span><span id="line-309"> if (path != null) {</span> |
| <span class="source-line-no">310</span><span id="line-310"> key = path.getName();</span> |
| <span class="source-line-no">311</span><span id="line-311"> offset = i * blockSize;</span> |
| <span class="source-line-no">312</span><span id="line-312"> } else {</span> |
| <span class="source-line-no">313</span><span id="line-313"> /* No conflicting keys */</span> |
| <span class="source-line-no">314</span><span id="line-314"> key = Long.toString(rand.nextLong());</span> |
| <span class="source-line-no">315</span><span id="line-315"> while (!usedStrings.add(key)) {</span> |
| <span class="source-line-no">316</span><span id="line-316"> key = Long.toString(rand.nextLong());</span> |
| <span class="source-line-no">317</span><span id="line-317"> }</span> |
| <span class="source-line-no">318</span><span id="line-318"> }</span> |
| <span class="source-line-no">319</span><span id="line-319"> returnedBlocks[i] = new HFileBlockPair();</span> |
| <span class="source-line-no">320</span><span id="line-320"> returnedBlocks[i].blockName = new BlockCacheKey(key, offset);</span> |
| <span class="source-line-no">321</span><span id="line-321"> returnedBlocks[i].block = generated;</span> |
| <span class="source-line-no">322</span><span id="line-322"> }</span> |
| <span class="source-line-no">323</span><span id="line-323"> return returnedBlocks;</span> |
| <span class="source-line-no">324</span><span id="line-324"> }</span> |
| <span class="source-line-no">325</span><span id="line-325"></span> |
| <span class="source-line-no">326</span><span id="line-326"> public static class HFileBlockPair {</span> |
| <span class="source-line-no">327</span><span id="line-327"> BlockCacheKey blockName;</span> |
| <span class="source-line-no">328</span><span id="line-328"> HFileBlock block;</span> |
| <span class="source-line-no">329</span><span id="line-329"></span> |
| <span class="source-line-no">330</span><span id="line-330"> public BlockCacheKey getBlockName() {</span> |
| <span class="source-line-no">331</span><span id="line-331"> return this.blockName;</span> |
| <span class="source-line-no">332</span><span id="line-332"> }</span> |
| <span class="source-line-no">333</span><span id="line-333"></span> |
| <span class="source-line-no">334</span><span id="line-334"> public HFileBlock getBlock() {</span> |
| <span class="source-line-no">335</span><span id="line-335"> return this.block;</span> |
| <span class="source-line-no">336</span><span id="line-336"> }</span> |
| <span class="source-line-no">337</span><span id="line-337"> }</span> |
| <span class="source-line-no">338</span><span id="line-338"></span> |
| <span class="source-line-no">339</span><span id="line-339"> public static void getBlockAndAssertEquals(BlockCache cache, BlockCacheKey key,</span> |
| <span class="source-line-no">340</span><span id="line-340"> Cacheable blockToCache, ByteBuffer destBuffer, ByteBuffer expectedBuffer) {</span> |
| <span class="source-line-no">341</span><span id="line-341"> destBuffer.clear();</span> |
| <span class="source-line-no">342</span><span id="line-342"> cache.cacheBlock(key, blockToCache);</span> |
| <span class="source-line-no">343</span><span id="line-343"> Cacheable actualBlock = cache.getBlock(key, false, false, false);</span> |
| <span class="source-line-no">344</span><span id="line-344"> try {</span> |
| <span class="source-line-no">345</span><span id="line-345"> actualBlock.serialize(destBuffer, true);</span> |
| <span class="source-line-no">346</span><span id="line-346"> assertEquals(expectedBuffer, destBuffer);</span> |
| <span class="source-line-no">347</span><span id="line-347"> } finally {</span> |
| <span class="source-line-no">348</span><span id="line-348"> // Release the reference count increased by getBlock.</span> |
| <span class="source-line-no">349</span><span id="line-349"> if (actualBlock != null) {</span> |
| <span class="source-line-no">350</span><span id="line-350"> actualBlock.release();</span> |
| <span class="source-line-no">351</span><span id="line-351"> }</span> |
| <span class="source-line-no">352</span><span id="line-352"> }</span> |
| <span class="source-line-no">353</span><span id="line-353"> }</span> |
| <span class="source-line-no">354</span><span id="line-354">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
