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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.io.hfile;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertArrayEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertNull;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.junit.Assert.fail;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.nio.ByteBuffer;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.Arrays;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.HashSet;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.Random;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.ConcurrentLinkedQueue;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.conf.Configuration;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.MultithreadedTestUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.MultithreadedTestUtil.TestThread;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.ByteBuffAllocator;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.compress.Compression;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.ChecksumType;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span>public class CacheTestUtils {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private static final boolean includesMemstoreTS = true;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> /**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * Just checks if heapsize grows when something is cached, and gets smaller when the same object<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * is evicted<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> */<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> public static void testHeapSizeChanges(final BlockCache toBeTested, final int blockSize) {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> HFileBlockPair[] blocks = generateHFileBlocks(blockSize, 1);<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> long heapSize = ((HeapSize) toBeTested).heapSize();<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> toBeTested.cacheBlock(blocks[0].blockName, blocks[0].block);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> /* When we cache something HeapSize should always increase */<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> assertTrue(heapSize < ((HeapSize) toBeTested).heapSize());<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> toBeTested.evictBlock(blocks[0].blockName);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> /* Post eviction, heapsize should be the same */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> assertEquals(heapSize, ((HeapSize) toBeTested).heapSize());<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> }<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> public static void testCacheMultiThreaded(final BlockCache toBeTested, final int blockSize,<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> final int numThreads, final int numQueries, final double passingScore) throws Exception {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> Configuration conf = new Configuration();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> MultithreadedTestUtil.TestContext ctx = new MultithreadedTestUtil.TestContext(conf);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> final AtomicInteger totalQueries = new AtomicInteger();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> final ConcurrentLinkedQueue<HFileBlockPair> blocksToTest = new ConcurrentLinkedQueue<>();<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> final AtomicInteger hits = new AtomicInteger();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> final AtomicInteger miss = new AtomicInteger();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> HFileBlockPair[] blocks = generateHFileBlocks(numQueries, blockSize);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> blocksToTest.addAll(Arrays.asList(blocks));<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> for (int i = 0; i < numThreads; i++) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> TestThread t = new MultithreadedTestUtil.RepeatingTestThread(ctx) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> @Override<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public void doAnAction() throws Exception {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> if (!blocksToTest.isEmpty()) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> HFileBlockPair ourBlock = blocksToTest.poll();<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> // if we run out of blocks to test, then we should stop the tests.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> if (ourBlock == null) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> ctx.setStopFlag(true);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> return;<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> toBeTested.cacheBlock(ourBlock.blockName, ourBlock.block);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> Cacheable retrievedBlock = toBeTested.getBlock(ourBlock.blockName, false, false, true);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> if (retrievedBlock != null) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> assertEquals(ourBlock.block, retrievedBlock);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> toBeTested.evictBlock(ourBlock.blockName);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> hits.incrementAndGet();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> assertNull(toBeTested.getBlock(ourBlock.blockName, false, false, true));<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> } else {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> miss.incrementAndGet();<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> totalQueries.incrementAndGet();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> };<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> t.setDaemon(true);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> ctx.addThread(t);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> ctx.startThreads();<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> while (!blocksToTest.isEmpty() && ctx.shouldRun()) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> Thread.sleep(10);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> ctx.stop();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> if (hits.get() / ((double) hits.get() + (double) miss.get()) < passingScore) {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> fail("Too many nulls returned. Hits: " + hits.get() + " Misses: " + miss.get());<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> public static void testCacheSimple(BlockCache toBeTested, int blockSize, int numBlocks)<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> throws Exception {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> HFileBlockPair[] blocks = generateHFileBlocks(blockSize, numBlocks);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // Confirm empty<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> for (HFileBlockPair block : blocks) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> assertNull(toBeTested.getBlock(block.blockName, true, false, true));<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> // Add blocks<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> for (HFileBlockPair block : blocks) {<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> toBeTested.cacheBlock(block.blockName, block.block);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> }<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> // Check if all blocks are properly cached and contain the right<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> // information, or the blocks are null.<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> // MapMaker makes no guarantees when it will evict, so neither can we.<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> for (HFileBlockPair block : blocks) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> HFileBlock buf = (HFileBlock) toBeTested.getBlock(block.blockName, true, false, true);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> if (buf != null) {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> assertEquals(block.block, buf);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> // Re-add some duplicate blocks. Hope nothing breaks.<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> for (HFileBlockPair block : blocks) {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> try {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> if (toBeTested.getBlock(block.blockName, true, false, true) != null) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> toBeTested.cacheBlock(block.blockName, block.block);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> if (!(toBeTested instanceof BucketCache)) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> // BucketCache won't throw exception when caching already cached<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> // block<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> fail("Cache should not allow re-caching a block");<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> } catch (RuntimeException re) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> // expected<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span><a name="line.164"></a> |
| <span class="sourceLineNo">165</span> public static void hammerSingleKey(final BlockCache toBeTested, int numThreads, int numQueries)<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> throws Exception {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> final BlockCacheKey key = new BlockCacheKey("key", 0);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> final byte[] buf = new byte[5 * 1024];<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> Arrays.fill(buf, (byte) 5);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> final ByteArrayCacheable bac = new ByteArrayCacheable(buf);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> Configuration conf = new Configuration();<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> MultithreadedTestUtil.TestContext ctx = new MultithreadedTestUtil.TestContext(conf);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> final AtomicInteger totalQueries = new AtomicInteger();<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> toBeTested.cacheBlock(key, bac);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> for (int i = 0; i < numThreads; i++) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> TestThread t = new MultithreadedTestUtil.RepeatingTestThread(ctx) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> @Override<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> public void doAnAction() throws Exception {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> ByteArrayCacheable returned =<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> (ByteArrayCacheable) toBeTested.getBlock(key, false, false, true);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> if (returned != null) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> assertArrayEquals(buf, returned.buf);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> } else {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> Thread.sleep(10);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> totalQueries.incrementAndGet();<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> };<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> t.setDaemon(true);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> ctx.addThread(t);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // add a thread to periodically evict and re-cache the block<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> final long blockEvictPeriod = 50;<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> TestThread t = new MultithreadedTestUtil.RepeatingTestThread(ctx) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> @Override<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> public void doAnAction() throws Exception {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> toBeTested.evictBlock(key);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> toBeTested.cacheBlock(key, bac);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> Thread.sleep(blockEvictPeriod);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> };<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> t.setDaemon(true);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> ctx.addThread(t);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> ctx.startThreads();<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> while (totalQueries.get() < numQueries && ctx.shouldRun()) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> Thread.sleep(10);<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> ctx.stop();<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> public static class ByteArrayCacheable implements Cacheable {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> static final CacheableDeserializer<Cacheable> blockDeserializer =<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> new CacheableDeserializer<Cacheable>() {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> @Override<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> public int getDeserializerIdentifier() {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> return deserializerIdentifier;<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> @Override<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> public Cacheable deserialize(ByteBuff b, ByteBuffAllocator alloc) throws IOException {<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> int len = b.getInt();<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> Thread.yield();<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> byte buf[] = new byte[len];<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> b.get(buf);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return new ByteArrayCacheable(buf);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> };<a name="line.234"></a> |
| <span class="sourceLineNo">235</span><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> final byte[] buf;<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> public ByteArrayCacheable(byte[] buf) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> this.buf = buf;<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span><a name="line.241"></a> |
| <span class="sourceLineNo">242</span> @Override<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> public long heapSize() {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> return 4L + buf.length;<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> @Override<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> public int getSerializedLength() {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> return 4 + buf.length;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span><a name="line.251"></a> |
| <span class="sourceLineNo">252</span> @Override<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> public void serialize(ByteBuffer destination, boolean includeNextBlockMetadata) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> destination.putInt(buf.length);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> Thread.yield();<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> destination.put(buf);<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> destination.rewind();<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span><a name="line.259"></a> |
| <span class="sourceLineNo">260</span> @Override<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> public CacheableDeserializer<Cacheable> getDeserializer() {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> return blockDeserializer;<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span><a name="line.264"></a> |
| <span class="sourceLineNo">265</span> private static final int deserializerIdentifier;<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> static {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> deserializerIdentifier =<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> CacheableDeserializerIdManager.registerDeserializer(blockDeserializer);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> }<a name="line.269"></a> |
| <span class="sourceLineNo">270</span><a name="line.270"></a> |
| <span class="sourceLineNo">271</span> @Override<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> public BlockType getBlockType() {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> return BlockType.DATA;<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span> public static HFileBlockPair[] generateHFileBlocks(int blockSize, int numBlocks) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> HFileBlockPair[] returnedBlocks = new HFileBlockPair[numBlocks];<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> Random rand = ThreadLocalRandom.current();<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> HashSet<String> usedStrings = new HashSet<>();<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> for (int i = 0; i < numBlocks; i++) {<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> ByteBuffer cachedBuffer = ByteBuffer.allocate(blockSize);<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> Bytes.random(cachedBuffer.array());<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> cachedBuffer.rewind();<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> int onDiskSizeWithoutHeader = blockSize;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> int uncompressedSizeWithoutHeader = blockSize;<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> long prevBlockOffset = rand.nextLong();<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> BlockType.DATA.write(cachedBuffer);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> cachedBuffer.putInt(onDiskSizeWithoutHeader);<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> cachedBuffer.putInt(uncompressedSizeWithoutHeader);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> cachedBuffer.putLong(prevBlockOffset);<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> cachedBuffer.rewind();<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> HFileContext meta =<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> new HFileContextBuilder().withHBaseCheckSum(false).withIncludesMvcc(includesMemstoreTS)<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> .withIncludesTags(false).withCompression(Compression.Algorithm.NONE)<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> .withBytesPerCheckSum(0).withChecksumType(ChecksumType.NULL).build();<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> HFileBlock generated =<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> new HFileBlock(BlockType.DATA, onDiskSizeWithoutHeader, uncompressedSizeWithoutHeader,<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> prevBlockOffset, ByteBuff.wrap(cachedBuffer), HFileBlock.DONT_FILL_HEADER, blockSize,<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> onDiskSizeWithoutHeader + HConstants.HFILEBLOCK_HEADER_SIZE, -1, meta,<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> ByteBuffAllocator.HEAP);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> String strKey;<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> /* No conflicting keys */<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> strKey = Long.toString(rand.nextLong());<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> while (!usedStrings.add(strKey)) {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> strKey = Long.toString(rand.nextLong());<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span><a name="line.309"></a> |
| <span class="sourceLineNo">310</span> returnedBlocks[i] = new HFileBlockPair();<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> returnedBlocks[i].blockName = new BlockCacheKey(strKey, 0);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> returnedBlocks[i].block = generated;<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> return returnedBlocks;<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> }<a name="line.315"></a> |
| <span class="sourceLineNo">316</span><a name="line.316"></a> |
| <span class="sourceLineNo">317</span> public static class HFileBlockPair {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> BlockCacheKey blockName;<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> HFileBlock block;<a name="line.319"></a> |
| <span class="sourceLineNo">320</span><a name="line.320"></a> |
| <span class="sourceLineNo">321</span> public BlockCacheKey getBlockName() {<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> return this.blockName;<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> public HFileBlock getBlock() {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> return this.block;<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> }<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> }<a name="line.328"></a> |
| <span class="sourceLineNo">329</span><a name="line.329"></a> |
| <span class="sourceLineNo">330</span> public static void getBlockAndAssertEquals(BlockCache cache, BlockCacheKey key,<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> Cacheable blockToCache, ByteBuffer destBuffer, ByteBuffer expectedBuffer) {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> destBuffer.clear();<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> cache.cacheBlock(key, blockToCache);<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> Cacheable actualBlock = cache.getBlock(key, false, false, false);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> try {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> actualBlock.serialize(destBuffer, true);<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> assertEquals(expectedBuffer, destBuffer);<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> } finally {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> // Release the reference count increased by getBlock.<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> if (actualBlock != null) {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> actualBlock.release();<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> }<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span>}<a name="line.345"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
