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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.apache.hadoop.hbase.HConstants.BUCKET_CACHE_IOENGINE_KEY;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.HConstants.BUCKET_CACHE_SIZE_KEY;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.HConstants.HFILE_BLOCK_CACHE_SIZE_KEY;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.io.ByteBuffAllocator.BUFFER_SIZE_KEY;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.apache.hadoop.hbase.io.ByteBuffAllocator.MAX_BUFFER_COUNT_KEY;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import static org.apache.hadoop.hbase.io.ByteBuffAllocator.MIN_ALLOCATE_SIZE_KEY;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import static org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.MAX_CHUNK_SIZE_KEY;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import static org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.MIN_INDEX_NUM_ENTRIES_KEY;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import static org.junit.Assert.assertEquals;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.io.IOException;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.Arrays;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.Collection;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.Random;<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.fs.FileSystem;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.fs.Path;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.Cell;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.ByteBuffAllocator;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.HFileScannerImpl;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.io.hfile.bucket.TestBucketCache;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.testclassification.IOTests;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.After;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.Assert;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.Before;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.BeforeClass;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.ClassRule;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.Rule;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.junit.Test;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.junit.experimental.categories.Category;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.junit.rules.TestName;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.junit.runner.RunWith;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.junit.runners.Parameterized;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.junit.runners.Parameterized.Parameter;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.junit.runners.Parameterized.Parameters;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.slf4j.Logger;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.slf4j.LoggerFactory;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span>@RunWith(Parameterized.class)<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>@Category({ IOTests.class, LargeTests.class })<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>public class TestHFileScannerImplReferenceCount {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> @ClassRule<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> HBaseClassTestRule.forClass(TestHFileScannerImplReferenceCount.class);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @Rule<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public TestName CASE = new TestName();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> @Parameters(name = "{index}: ioengine={0}")<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public static Collection<Object[]> data() {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> return Arrays.asList(new Object[] { "file" }, new Object[] { "offheap" },<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> new Object[] { "mmap" }, new Object[] { "pmem" });<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> @Parameter<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public String ioengine;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private static final Logger LOG =<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> LoggerFactory.getLogger(TestHFileScannerImplReferenceCount.class);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private static final Random RNG = new Random(9713312); // Just a fixed seed.<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> private static final byte[] FAMILY = Bytes.toBytes("f");<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> private static final byte[] QUALIFIER = Bytes.toBytes("q");<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> private static final byte[] SUFFIX = randLongBytes();<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> private static final int CELL_COUNT = 1000;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> private static byte[] randLongBytes() {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> byte[] keys = new byte[30];<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> Bytes.random(keys);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> return keys;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> // It's a deep copy of configuration of UTIL, DON'T use shallow copy.<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> private Configuration conf;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> private Path workDir;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> private FileSystem fs;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> private Path hfilePath;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> private Cell firstCell = null;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> private Cell secondCell = null;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> private ByteBuffAllocator allocator;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> @BeforeClass<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> public static void setUpBeforeClass() {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> Configuration conf = UTIL.getConfiguration();<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> // Set the max chunk size and min entries key to be very small for index block, so that we can<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> // create an index block tree with level >= 2.<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> conf.setInt(MAX_CHUNK_SIZE_KEY, 10);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> conf.setInt(MIN_INDEX_NUM_ENTRIES_KEY, 2);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> // Create a bucket cache with 32MB.<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> conf.set(BUCKET_CACHE_IOENGINE_KEY, "offheap");<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> conf.setInt(BUCKET_CACHE_SIZE_KEY, 32);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> conf.setInt(BUFFER_SIZE_KEY, 1024);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> conf.setInt(MAX_BUFFER_COUNT_KEY, 32 * 1024);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // All allocated ByteBuff are pooled ByteBuff.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> conf.setInt(MIN_ALLOCATE_SIZE_KEY, 0);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> @Before<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> public void setUp() throws IOException {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> String caseName = CASE.getMethodName().replaceAll("[^a-zA-Z0-9]", "_");<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> this.workDir = UTIL.getDataTestDir(caseName);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> if (!"offheap".equals(ioengine)) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> ioengine = ioengine + ":" + workDir.toString() + "/cachedata";<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> UTIL.getConfiguration().set(BUCKET_CACHE_IOENGINE_KEY, ioengine);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> this.firstCell = null;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> this.secondCell = null;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> this.allocator = ByteBuffAllocator.create(UTIL.getConfiguration(), true);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> this.conf = new Configuration(UTIL.getConfiguration());<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> this.fs = this.workDir.getFileSystem(conf);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> this.hfilePath = new Path(this.workDir, caseName + EnvironmentEdgeManager.currentTime());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> LOG.info("Start to write {} cells into hfile: {}, case:{}", CELL_COUNT, hfilePath, caseName);<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> @After<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> public void tearDown() throws IOException {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> this.allocator.clean();<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> this.fs.delete(this.workDir, true);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> private void waitBucketCacheFlushed(BlockCache cache) throws InterruptedException {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> Assert.assertTrue(cache instanceof CombinedBlockCache);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> BlockCache[] blockCaches = cache.getBlockCaches();<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> Assert.assertEquals(blockCaches.length, 2);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> Assert.assertTrue(blockCaches[1] instanceof BucketCache);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> TestBucketCache.waitUntilAllFlushedToBucket((BucketCache) blockCaches[1]);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> private void writeHFile(Configuration conf, FileSystem fs, Path hfilePath, Algorithm compression,<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> DataBlockEncoding encoding, int cellCount) throws IOException {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> HFileContext context =<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> new HFileContextBuilder().withBlockSize(1).withDataBlockEncoding(DataBlockEncoding.NONE)<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> .withCompression(compression).withDataBlockEncoding(encoding).build();<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> try (HFile.Writer writer = new HFile.WriterFactory(conf, new CacheConfig(conf))<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> .withPath(fs, hfilePath).withFileContext(context).create()) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> for (int i = 0; i < cellCount; ++i) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> byte[] keyBytes = Bytes.add(Bytes.toBytes(i), SUFFIX);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> // A random-length random value.<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> byte[] valueBytes = RandomKeyValueUtil.randomValue(RNG);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> KeyValue keyValue =<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> new KeyValue(keyBytes, FAMILY, QUALIFIER, HConstants.LATEST_TIMESTAMP, valueBytes);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> if (firstCell == null) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> firstCell = keyValue;<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> } else if (secondCell == null) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> secondCell = keyValue;<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> writer.append(keyValue);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> /**<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * A careful UT for validating the reference count mechanism, if want to change this UT please<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * read the design doc in HBASE-21879 firstly and make sure that understand the refCnt design.<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> */<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> private void testReleaseBlock(Algorithm compression, DataBlockEncoding encoding)<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> throws Exception {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> writeHFile(conf, fs, hfilePath, compression, encoding, CELL_COUNT);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> HFileBlock curBlock, prevBlock;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> BlockCache defaultBC = BlockCacheFactory.createBlockCache(conf);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> CacheConfig cacheConfig = new CacheConfig(conf, null, defaultBC, allocator);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> Assert.assertNotNull(defaultBC);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> Assert.assertTrue(cacheConfig.isCombinedBlockCache());<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> HFile.Reader reader = HFile.createReader(fs, hfilePath, cacheConfig, true, conf);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> Assert.assertTrue(reader instanceof HFileReaderImpl);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> // We've build a HFile tree with index = 16.<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> Assert.assertEquals(16, reader.getTrailer().getNumDataIndexLevels());<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> HFileScannerImpl scanner = (HFileScannerImpl) reader.getScanner(conf, true, true, false);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> HFileBlock block1 = reader.getDataBlockIndexReader()<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> .getHFileBlock();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> waitBucketCacheFlushed(defaultBC);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> Assert.assertTrue(block1.getBlockType().isData());<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> Assert.assertFalse(block1 instanceof ExclusiveMemHFileBlock);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> HFileBlock block2 = reader.getDataBlockIndexReader().loadDataBlockWithScanInfo(secondCell, null,<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> true, true, false, DataBlockEncoding.NONE, reader).getHFileBlock();<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> waitBucketCacheFlushed(defaultBC);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> Assert.assertTrue(block2.getBlockType().isData());<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> Assert.assertFalse(block2 instanceof ExclusiveMemHFileBlock);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> // Only one refCnt for RPC path.<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> Assert.assertEquals(block1.refCnt(), 1);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> Assert.assertEquals(block2.refCnt(), 1);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> Assert.assertFalse(block1 == block2);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> scanner.seekTo(firstCell);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> curBlock = scanner.curBlock;<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> this.assertRefCnt(curBlock, 2);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span><a name="line.220"></a> |
| <span class="sourceLineNo">221</span> // Seek to the block again, the curBlock won't change and won't read from BlockCache. so<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> // refCnt should be unchanged.<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> scanner.seekTo(firstCell);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> Assert.assertTrue(curBlock == scanner.curBlock);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> this.assertRefCnt(curBlock, 2);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> prevBlock = curBlock;<a name="line.226"></a> |
| <span class="sourceLineNo">227</span><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> scanner.seekTo(secondCell);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> curBlock = scanner.curBlock;<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> this.assertRefCnt(prevBlock, 2);<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> this.assertRefCnt(curBlock, 2);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span><a name="line.232"></a> |
| <span class="sourceLineNo">233</span> // After shipped, the prevBlock will be release, but curBlock is still referenced by the<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> // curBlock.<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> scanner.shipped();<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> this.assertRefCnt(prevBlock, 1);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> this.assertRefCnt(curBlock, 2);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span><a name="line.238"></a> |
| <span class="sourceLineNo">239</span> // Try to ship again, though with nothing to client.<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> scanner.shipped();<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> this.assertRefCnt(prevBlock, 1);<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> this.assertRefCnt(curBlock, 2);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span><a name="line.243"></a> |
| <span class="sourceLineNo">244</span> // The curBlock will also be released.<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> scanner.close();<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> this.assertRefCnt(curBlock, 1);<a name="line.246"></a> |
| <span class="sourceLineNo">247</span><a name="line.247"></a> |
| <span class="sourceLineNo">248</span> // Finish the block & block2 RPC path<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> Assert.assertTrue(block1.release());<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> Assert.assertTrue(block2.release());<a name="line.250"></a> |
| <span class="sourceLineNo">251</span><a name="line.251"></a> |
| <span class="sourceLineNo">252</span> // Evict the LRUBlockCache<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> Assert.assertTrue(defaultBC.evictBlocksByHfileName(hfilePath.getName()) >= 2);<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> Assert.assertEquals(prevBlock.refCnt(), 0);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> Assert.assertEquals(curBlock.refCnt(), 0);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> int count = 0;<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> Assert.assertTrue(scanner.seekTo());<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> ++count;<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> while (scanner.next()) {<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> count++;<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> assertEquals(CELL_COUNT, count);<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span><a name="line.265"></a> |
| <span class="sourceLineNo">266</span> /**<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> * See HBASE-22480<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> */<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> @Test<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> public void testSeekBefore() throws Exception {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> HFileBlock curBlock, prevBlock;<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> writeHFile(conf, fs, hfilePath, Algorithm.NONE, DataBlockEncoding.NONE, CELL_COUNT);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> BlockCache defaultBC = BlockCacheFactory.createBlockCache(conf);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> CacheConfig cacheConfig = new CacheConfig(conf, null, defaultBC, allocator);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> Assert.assertNotNull(defaultBC);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> Assert.assertTrue(cacheConfig.isCombinedBlockCache());<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> HFile.Reader reader = HFile.createReader(fs, hfilePath, cacheConfig, true, conf);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> Assert.assertTrue(reader instanceof HFileReaderImpl);<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> // We've build a HFile tree with index = 16.<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> Assert.assertEquals(16, reader.getTrailer().getNumDataIndexLevels());<a name="line.280"></a> |
| <span class="sourceLineNo">281</span><a name="line.281"></a> |
| <span class="sourceLineNo">282</span> HFileScannerImpl scanner = (HFileScannerImpl) reader.getScanner(conf, true, true, false);<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> HFileBlock block1 = reader.getDataBlockIndexReader()<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> .getHFileBlock();<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> Assert.assertTrue(block1.getBlockType().isData());<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> Assert.assertFalse(block1 instanceof ExclusiveMemHFileBlock);<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> HFileBlock block2 = reader.getDataBlockIndexReader().loadDataBlockWithScanInfo(secondCell, null,<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> true, true, false, DataBlockEncoding.NONE, reader).getHFileBlock();<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> Assert.assertTrue(block2.getBlockType().isData());<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> Assert.assertFalse(block2 instanceof ExclusiveMemHFileBlock);<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // Wait until flushed to IOEngine;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> waitBucketCacheFlushed(defaultBC);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> // One RPC reference path.<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> Assert.assertEquals(block1.refCnt(), 1);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> Assert.assertEquals(block2.refCnt(), 1);<a name="line.296"></a> |
| <span class="sourceLineNo">297</span><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> // Let the curBlock refer to block2.<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> scanner.seekTo(secondCell);<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> curBlock = scanner.curBlock;<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> Assert.assertFalse(curBlock == block2);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> Assert.assertEquals(1, block2.refCnt());<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> this.assertRefCnt(curBlock, 2);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> prevBlock = scanner.curBlock;<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> // Release the block1, no other reference.<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> Assert.assertTrue(block1.release());<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> Assert.assertEquals(0, block1.refCnt());<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> // Release the block2, no other reference.<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> Assert.assertTrue(block2.release());<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> Assert.assertEquals(0, block2.refCnt());<a name="line.311"></a> |
| <span class="sourceLineNo">312</span><a name="line.312"></a> |
| <span class="sourceLineNo">313</span> // Do the seekBefore: the newBlock will be the previous block of curBlock.<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> Assert.assertTrue(scanner.seekBefore(secondCell));<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> Assert.assertEquals(scanner.prevBlocks.size(), 1);<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> Assert.assertTrue(scanner.prevBlocks.get(0) == prevBlock);<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> curBlock = scanner.curBlock;<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> // the curBlock is read from IOEngine, so a different block.<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> Assert.assertFalse(curBlock == block1);<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> // Two reference for curBlock: 1. scanner; 2. blockCache.<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> this.assertRefCnt(curBlock, 2);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> // Reference count of prevBlock must be unchanged because we haven't shipped.<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> this.assertRefCnt(prevBlock, 2);<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> // Do the shipped<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> scanner.shipped();<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> Assert.assertEquals(scanner.prevBlocks.size(), 0);<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> Assert.assertNotNull(scanner.curBlock);<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> this.assertRefCnt(curBlock, 2);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> this.assertRefCnt(prevBlock, 1);<a name="line.330"></a> |
| <span class="sourceLineNo">331</span><a name="line.331"></a> |
| <span class="sourceLineNo">332</span> // Do the close<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> scanner.close();<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> Assert.assertNull(scanner.curBlock);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> this.assertRefCnt(curBlock, 1);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> this.assertRefCnt(prevBlock, 1);<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> Assert.assertTrue(defaultBC.evictBlocksByHfileName(hfilePath.getName()) >= 2);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> Assert.assertEquals(0, curBlock.refCnt());<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> Assert.assertEquals(0, prevBlock.refCnt());<a name="line.340"></a> |
| <span class="sourceLineNo">341</span><a name="line.341"></a> |
| <span class="sourceLineNo">342</span> // Reload the block1 again.<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> block1 = reader.getDataBlockIndexReader()<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> .getHFileBlock();<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> // Wait until flushed to IOEngine;<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> waitBucketCacheFlushed(defaultBC);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> Assert.assertTrue(block1.getBlockType().isData());<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> Assert.assertFalse(block1 instanceof ExclusiveMemHFileBlock);<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> Assert.assertTrue(block1.release());<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> Assert.assertEquals(0, block1.refCnt());<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> // Re-seek to the begin.<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> Assert.assertTrue(scanner.seekTo());<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> curBlock = scanner.curBlock;<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> Assert.assertFalse(curBlock == block1);<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> this.assertRefCnt(curBlock, 2);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> // Return false because firstCell <= c[0]<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> Assert.assertFalse(scanner.seekBefore(firstCell));<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> // The block1 shouldn't be released because we still don't do the shipped or close.<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> this.assertRefCnt(curBlock, 2);<a name="line.360"></a> |
| <span class="sourceLineNo">361</span><a name="line.361"></a> |
| <span class="sourceLineNo">362</span> scanner.close();<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> this.assertRefCnt(curBlock, 1);<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> Assert.assertTrue(defaultBC.evictBlocksByHfileName(hfilePath.getName()) >= 1);<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> Assert.assertEquals(0, curBlock.refCnt());<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> }<a name="line.366"></a> |
| <span class="sourceLineNo">367</span><a name="line.367"></a> |
| <span class="sourceLineNo">368</span> private void assertRefCnt(HFileBlock block, int value) {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> if (ioengine.startsWith("offheap") || ioengine.startsWith("pmem")) {<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> Assert.assertEquals(value, block.refCnt());<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> } else {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> Assert.assertEquals(value - 1, block.refCnt());<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> }<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> }<a name="line.374"></a> |
| <span class="sourceLineNo">375</span><a name="line.375"></a> |
| <span class="sourceLineNo">376</span> @Test<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> public void testDefault() throws Exception {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> testReleaseBlock(Algorithm.NONE, DataBlockEncoding.NONE);<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> }<a name="line.379"></a> |
| <span class="sourceLineNo">380</span><a name="line.380"></a> |
| <span class="sourceLineNo">381</span> @Test<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> public void testCompression() throws Exception {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> testReleaseBlock(Algorithm.GZ, DataBlockEncoding.NONE);<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> @Test<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> public void testDataBlockEncoding() throws Exception {<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> testReleaseBlock(Algorithm.NONE, DataBlockEncoding.ROW_INDEX_V1);<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span><a name="line.390"></a> |
| <span class="sourceLineNo">391</span> @Test<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> public void testDataBlockEncodingAndCompression() throws Exception {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> testReleaseBlock(Algorithm.GZ, DataBlockEncoding.ROW_INDEX_V1);<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> }<a name="line.394"></a> |
| <span class="sourceLineNo">395</span><a name="line.395"></a> |
| <span class="sourceLineNo">396</span> @Test<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> public void testWithLruBlockCache() throws Exception {<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> HFileBlock curBlock;<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> writeHFile(conf, fs, hfilePath, Algorithm.NONE, DataBlockEncoding.NONE, CELL_COUNT);<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> // Set LruBlockCache<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> conf.set(BUCKET_CACHE_IOENGINE_KEY, "");<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> BlockCache defaultBC = BlockCacheFactory.createBlockCache(conf);<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> CacheConfig cacheConfig = new CacheConfig(conf, null, defaultBC, allocator);<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> Assert.assertNotNull(defaultBC);<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> Assert.assertFalse(cacheConfig.isCombinedBlockCache()); // Must be LruBlockCache.<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> HFile.Reader reader = HFile.createReader(fs, hfilePath, cacheConfig, true, conf);<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> Assert.assertTrue(reader instanceof HFileReaderImpl);<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> // We've build a HFile tree with index = 16.<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> Assert.assertEquals(16, reader.getTrailer().getNumDataIndexLevels());<a name="line.409"></a> |
| <span class="sourceLineNo">410</span><a name="line.410"></a> |
| <span class="sourceLineNo">411</span> HFileScannerImpl scanner = (HFileScannerImpl) reader.getScanner(conf, true, true, false);<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> HFileBlock block1 = reader.getDataBlockIndexReader()<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> .getHFileBlock();<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> Assert.assertTrue(block1.getBlockType().isData());<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> Assert.assertTrue(block1 instanceof ExclusiveMemHFileBlock);<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> HFileBlock block2 = reader.getDataBlockIndexReader().loadDataBlockWithScanInfo(secondCell, null,<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> true, true, false, DataBlockEncoding.NONE, reader).getHFileBlock();<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> Assert.assertTrue(block2.getBlockType().isData());<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> Assert.assertTrue(block2 instanceof ExclusiveMemHFileBlock);<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> // One RPC reference path.<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> Assert.assertEquals(block1.refCnt(), 0);<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> Assert.assertEquals(block2.refCnt(), 0);<a name="line.423"></a> |
| <span class="sourceLineNo">424</span><a name="line.424"></a> |
| <span class="sourceLineNo">425</span> scanner.seekTo(firstCell);<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> curBlock = scanner.curBlock;<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> Assert.assertTrue(curBlock == block1);<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> Assert.assertEquals(curBlock.refCnt(), 0);<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> Assert.assertTrue(scanner.prevBlocks.isEmpty());<a name="line.429"></a> |
| <span class="sourceLineNo">430</span><a name="line.430"></a> |
| <span class="sourceLineNo">431</span> // Switch to next block<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> scanner.seekTo(secondCell);<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> curBlock = scanner.curBlock;<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> Assert.assertTrue(curBlock == block2);<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> Assert.assertEquals(curBlock.refCnt(), 0);<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> Assert.assertEquals(curBlock.retain().refCnt(), 0);<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> // Only pooled HFileBlock will be kept in prevBlocks and ExclusiveMemHFileBlock will never keep<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> // in prevBlocks.<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> Assert.assertTrue(scanner.prevBlocks.isEmpty());<a name="line.439"></a> |
| <span class="sourceLineNo">440</span><a name="line.440"></a> |
| <span class="sourceLineNo">441</span> // close the scanner<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> scanner.close();<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> Assert.assertNull(scanner.curBlock);<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> Assert.assertTrue(scanner.prevBlocks.isEmpty());<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> @Test<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> public void testDisabledBlockCache() throws Exception {<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> writeHFile(conf, fs, hfilePath, Algorithm.NONE, DataBlockEncoding.NONE, CELL_COUNT);<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> // Set LruBlockCache<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> conf.setFloat(HFILE_BLOCK_CACHE_SIZE_KEY, 0.0f);<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> BlockCache defaultBC = BlockCacheFactory.createBlockCache(conf);<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> Assert.assertNull(defaultBC);<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> CacheConfig cacheConfig = new CacheConfig(conf, null, defaultBC, allocator);<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> Assert.assertFalse(cacheConfig.isCombinedBlockCache()); // Must be LruBlockCache.<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> HFile.Reader reader = HFile.createReader(fs, hfilePath, cacheConfig, true, conf);<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> Assert.assertTrue(reader instanceof HFileReaderImpl);<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> // We've build a HFile tree with index = 16.<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> Assert.assertEquals(16, reader.getTrailer().getNumDataIndexLevels());<a name="line.459"></a> |
| <span class="sourceLineNo">460</span><a name="line.460"></a> |
| <span class="sourceLineNo">461</span> HFileBlock block1 = reader.getDataBlockIndexReader()<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> .getHFileBlock();<a name="line.463"></a> |
| <span class="sourceLineNo">464</span><a name="line.464"></a> |
| <span class="sourceLineNo">465</span> Assert.assertTrue(block1.isSharedMem());<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> Assert.assertTrue(block1 instanceof SharedMemHFileBlock);<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> Assert.assertEquals(1, block1.refCnt());<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> Assert.assertTrue(block1.release());<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> }<a name="line.469"></a> |
| <span class="sourceLineNo">470</span>}<a name="line.470"></a> |
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| </html> |
