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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.io.hfile;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.apache.hadoop.hbase.HConstants.BUCKET_CACHE_IOENGINE_KEY;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.HConstants.BUCKET_CACHE_SIZE_KEY;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.apache.hadoop.hbase.HConstants.HFILE_BLOCK_CACHE_SIZE_KEY;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.apache.hadoop.hbase.io.ByteBuffAllocator.BUFFER_SIZE_KEY;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.apache.hadoop.hbase.io.ByteBuffAllocator.MAX_BUFFER_COUNT_KEY;</span> |
| <span class="source-line-no">025</span><span id="line-25">import static org.apache.hadoop.hbase.io.ByteBuffAllocator.MIN_ALLOCATE_SIZE_KEY;</span> |
| <span class="source-line-no">026</span><span id="line-26">import static org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.MAX_CHUNK_SIZE_KEY;</span> |
| <span class="source-line-no">027</span><span id="line-27">import static org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.MIN_INDEX_NUM_ENTRIES_KEY;</span> |
| <span class="source-line-no">028</span><span id="line-28">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">029</span><span id="line-29"></span> |
| <span class="source-line-no">030</span><span id="line-30">import java.io.IOException;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.Arrays;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.Collection;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.Random;</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.FileSystem;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.ExtendedCell;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.KeyValue;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.io.ByteBuffAllocator;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.HFileScannerImpl;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.io.hfile.bucket.TestBucketCache;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.testclassification.IOTests;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.After;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.Assert;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.Before;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.junit.ClassRule;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.junit.Rule;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.junit.Test;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.junit.runner.RunWith;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.junit.runners.Parameterized;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.junit.runners.Parameterized.Parameter;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.junit.runners.Parameterized.Parameters;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.slf4j.Logger;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68">@RunWith(Parameterized.class)</span> |
| <span class="source-line-no">069</span><span id="line-69">@Category({ IOTests.class, LargeTests.class })</span> |
| <span class="source-line-no">070</span><span id="line-70">public class TestHFileScannerImplReferenceCount {</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @ClassRule</span> |
| <span class="source-line-no">073</span><span id="line-73"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">074</span><span id="line-74"> HBaseClassTestRule.forClass(TestHFileScannerImplReferenceCount.class);</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @Rule</span> |
| <span class="source-line-no">077</span><span id="line-77"> public TestName CASE = new TestName();</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> @Parameters(name = "{index}: ioengine={0}")</span> |
| <span class="source-line-no">080</span><span id="line-80"> public static Collection<Object[]> data() {</span> |
| <span class="source-line-no">081</span><span id="line-81"> return Arrays.asList(new Object[] { "file" }, new Object[] { "offheap" },</span> |
| <span class="source-line-no">082</span><span id="line-82"> new Object[] { "mmap" }, new Object[] { "pmem" });</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> @Parameter</span> |
| <span class="source-line-no">086</span><span id="line-86"> public String ioengine;</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> private static final Logger LOG =</span> |
| <span class="source-line-no">089</span><span id="line-89"> LoggerFactory.getLogger(TestHFileScannerImplReferenceCount.class);</span> |
| <span class="source-line-no">090</span><span id="line-90"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">091</span><span id="line-91"> private static final Random RNG = new Random(9713312); // Just a fixed seed.</span> |
| <span class="source-line-no">092</span><span id="line-92"> private static final byte[] FAMILY = Bytes.toBytes("f");</span> |
| <span class="source-line-no">093</span><span id="line-93"> private static final byte[] QUALIFIER = Bytes.toBytes("q");</span> |
| <span class="source-line-no">094</span><span id="line-94"> private static final byte[] SUFFIX = randLongBytes();</span> |
| <span class="source-line-no">095</span><span id="line-95"> private static final int CELL_COUNT = 1000;</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> private static byte[] randLongBytes() {</span> |
| <span class="source-line-no">098</span><span id="line-98"> byte[] keys = new byte[30];</span> |
| <span class="source-line-no">099</span><span id="line-99"> Bytes.random(keys);</span> |
| <span class="source-line-no">100</span><span id="line-100"> return keys;</span> |
| <span class="source-line-no">101</span><span id="line-101"> }</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> // It's a deep copy of configuration of UTIL, DON'T use shallow copy.</span> |
| <span class="source-line-no">104</span><span id="line-104"> private Configuration conf;</span> |
| <span class="source-line-no">105</span><span id="line-105"> private Path workDir;</span> |
| <span class="source-line-no">106</span><span id="line-106"> private FileSystem fs;</span> |
| <span class="source-line-no">107</span><span id="line-107"> private Path hfilePath;</span> |
| <span class="source-line-no">108</span><span id="line-108"> private ExtendedCell firstCell = null;</span> |
| <span class="source-line-no">109</span><span id="line-109"> private ExtendedCell secondCell = null;</span> |
| <span class="source-line-no">110</span><span id="line-110"> private ByteBuffAllocator allocator;</span> |
| <span class="source-line-no">111</span><span id="line-111"></span> |
| <span class="source-line-no">112</span><span id="line-112"> @BeforeClass</span> |
| <span class="source-line-no">113</span><span id="line-113"> public static void setUpBeforeClass() {</span> |
| <span class="source-line-no">114</span><span id="line-114"> Configuration conf = UTIL.getConfiguration();</span> |
| <span class="source-line-no">115</span><span id="line-115"> // Set the max chunk size and min entries key to be very small for index block, so that we can</span> |
| <span class="source-line-no">116</span><span id="line-116"> // create an index block tree with level >= 2.</span> |
| <span class="source-line-no">117</span><span id="line-117"> conf.setInt(MAX_CHUNK_SIZE_KEY, 10);</span> |
| <span class="source-line-no">118</span><span id="line-118"> conf.setInt(MIN_INDEX_NUM_ENTRIES_KEY, 2);</span> |
| <span class="source-line-no">119</span><span id="line-119"> // Create a bucket cache with 32MB.</span> |
| <span class="source-line-no">120</span><span id="line-120"> conf.set(BUCKET_CACHE_IOENGINE_KEY, "offheap");</span> |
| <span class="source-line-no">121</span><span id="line-121"> conf.setInt(BUCKET_CACHE_SIZE_KEY, 32);</span> |
| <span class="source-line-no">122</span><span id="line-122"> conf.setInt(BUFFER_SIZE_KEY, 1024);</span> |
| <span class="source-line-no">123</span><span id="line-123"> conf.setInt(MAX_BUFFER_COUNT_KEY, 32 * 1024);</span> |
| <span class="source-line-no">124</span><span id="line-124"> // All allocated ByteBuff are pooled ByteBuff.</span> |
| <span class="source-line-no">125</span><span id="line-125"> conf.setInt(MIN_ALLOCATE_SIZE_KEY, 0);</span> |
| <span class="source-line-no">126</span><span id="line-126"> }</span> |
| <span class="source-line-no">127</span><span id="line-127"></span> |
| <span class="source-line-no">128</span><span id="line-128"> @Before</span> |
| <span class="source-line-no">129</span><span id="line-129"> public void setUp() throws IOException {</span> |
| <span class="source-line-no">130</span><span id="line-130"> String caseName = CASE.getMethodName().replaceAll("[^a-zA-Z0-9]", "_");</span> |
| <span class="source-line-no">131</span><span id="line-131"> this.workDir = UTIL.getDataTestDir(caseName);</span> |
| <span class="source-line-no">132</span><span id="line-132"> if (!"offheap".equals(ioengine)) {</span> |
| <span class="source-line-no">133</span><span id="line-133"> ioengine = ioengine + ":" + workDir.toString() + "/cachedata";</span> |
| <span class="source-line-no">134</span><span id="line-134"> }</span> |
| <span class="source-line-no">135</span><span id="line-135"> UTIL.getConfiguration().set(BUCKET_CACHE_IOENGINE_KEY, ioengine);</span> |
| <span class="source-line-no">136</span><span id="line-136"> this.firstCell = null;</span> |
| <span class="source-line-no">137</span><span id="line-137"> this.secondCell = null;</span> |
| <span class="source-line-no">138</span><span id="line-138"> this.allocator = ByteBuffAllocator.create(UTIL.getConfiguration(), true);</span> |
| <span class="source-line-no">139</span><span id="line-139"> this.conf = new Configuration(UTIL.getConfiguration());</span> |
| <span class="source-line-no">140</span><span id="line-140"> this.fs = this.workDir.getFileSystem(conf);</span> |
| <span class="source-line-no">141</span><span id="line-141"> this.hfilePath = new Path(this.workDir, caseName + EnvironmentEdgeManager.currentTime());</span> |
| <span class="source-line-no">142</span><span id="line-142"> LOG.info("Start to write {} cells into hfile: {}, case:{}", CELL_COUNT, hfilePath, caseName);</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"></span> |
| <span class="source-line-no">145</span><span id="line-145"> @After</span> |
| <span class="source-line-no">146</span><span id="line-146"> public void tearDown() throws IOException {</span> |
| <span class="source-line-no">147</span><span id="line-147"> this.allocator.clean();</span> |
| <span class="source-line-no">148</span><span id="line-148"> this.fs.delete(this.workDir, true);</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"></span> |
| <span class="source-line-no">151</span><span id="line-151"> private void waitBucketCacheFlushed(BlockCache cache) throws InterruptedException {</span> |
| <span class="source-line-no">152</span><span id="line-152"> Assert.assertTrue(cache instanceof CombinedBlockCache);</span> |
| <span class="source-line-no">153</span><span id="line-153"> BlockCache[] blockCaches = cache.getBlockCaches();</span> |
| <span class="source-line-no">154</span><span id="line-154"> Assert.assertEquals(blockCaches.length, 2);</span> |
| <span class="source-line-no">155</span><span id="line-155"> Assert.assertTrue(blockCaches[1] instanceof BucketCache);</span> |
| <span class="source-line-no">156</span><span id="line-156"> TestBucketCache.waitUntilAllFlushedToBucket((BucketCache) blockCaches[1]);</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"> private void writeHFile(Configuration conf, FileSystem fs, Path hfilePath, Algorithm compression,</span> |
| <span class="source-line-no">160</span><span id="line-160"> DataBlockEncoding encoding, int cellCount) throws IOException {</span> |
| <span class="source-line-no">161</span><span id="line-161"> HFileContext context =</span> |
| <span class="source-line-no">162</span><span id="line-162"> new HFileContextBuilder().withBlockSize(1).withDataBlockEncoding(DataBlockEncoding.NONE)</span> |
| <span class="source-line-no">163</span><span id="line-163"> .withCompression(compression).withDataBlockEncoding(encoding).build();</span> |
| <span class="source-line-no">164</span><span id="line-164"> try (HFile.Writer writer = new HFile.WriterFactory(conf, new CacheConfig(conf))</span> |
| <span class="source-line-no">165</span><span id="line-165"> .withPath(fs, hfilePath).withFileContext(context).create()) {</span> |
| <span class="source-line-no">166</span><span id="line-166"> for (int i = 0; i < cellCount; ++i) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> byte[] keyBytes = Bytes.add(Bytes.toBytes(i), SUFFIX);</span> |
| <span class="source-line-no">168</span><span id="line-168"> // A random-length random value.</span> |
| <span class="source-line-no">169</span><span id="line-169"> byte[] valueBytes = RandomKeyValueUtil.randomValue(RNG);</span> |
| <span class="source-line-no">170</span><span id="line-170"> KeyValue keyValue =</span> |
| <span class="source-line-no">171</span><span id="line-171"> new KeyValue(keyBytes, FAMILY, QUALIFIER, HConstants.LATEST_TIMESTAMP, valueBytes);</span> |
| <span class="source-line-no">172</span><span id="line-172"> if (firstCell == null) {</span> |
| <span class="source-line-no">173</span><span id="line-173"> firstCell = keyValue;</span> |
| <span class="source-line-no">174</span><span id="line-174"> } else if (secondCell == null) {</span> |
| <span class="source-line-no">175</span><span id="line-175"> secondCell = keyValue;</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177"> writer.append(keyValue);</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"> }</span> |
| <span class="source-line-no">181</span><span id="line-181"></span> |
| <span class="source-line-no">182</span><span id="line-182"> /**</span> |
| <span class="source-line-no">183</span><span id="line-183"> * A careful UT for validating the reference count mechanism, if want to change this UT please</span> |
| <span class="source-line-no">184</span><span id="line-184"> * read the design doc in HBASE-21879 firstly and make sure that understand the refCnt design.</span> |
| <span class="source-line-no">185</span><span id="line-185"> */</span> |
| <span class="source-line-no">186</span><span id="line-186"> private void testReleaseBlock(Algorithm compression, DataBlockEncoding encoding)</span> |
| <span class="source-line-no">187</span><span id="line-187"> throws Exception {</span> |
| <span class="source-line-no">188</span><span id="line-188"> writeHFile(conf, fs, hfilePath, compression, encoding, CELL_COUNT);</span> |
| <span class="source-line-no">189</span><span id="line-189"> HFileBlock curBlock, prevBlock;</span> |
| <span class="source-line-no">190</span><span id="line-190"> BlockCache defaultBC = BlockCacheFactory.createBlockCache(conf);</span> |
| <span class="source-line-no">191</span><span id="line-191"> CacheConfig cacheConfig = new CacheConfig(conf, null, defaultBC, allocator);</span> |
| <span class="source-line-no">192</span><span id="line-192"> Assert.assertNotNull(defaultBC);</span> |
| <span class="source-line-no">193</span><span id="line-193"> Assert.assertTrue(cacheConfig.isCombinedBlockCache());</span> |
| <span class="source-line-no">194</span><span id="line-194"> HFile.Reader reader = HFile.createReader(fs, hfilePath, cacheConfig, true, conf);</span> |
| <span class="source-line-no">195</span><span id="line-195"> Assert.assertTrue(reader instanceof HFileReaderImpl);</span> |
| <span class="source-line-no">196</span><span id="line-196"> // We've build a HFile tree with index = 16.</span> |
| <span class="source-line-no">197</span><span id="line-197"> Assert.assertEquals(16, reader.getTrailer().getNumDataIndexLevels());</span> |
| <span class="source-line-no">198</span><span id="line-198"></span> |
| <span class="source-line-no">199</span><span id="line-199"> HFileScannerImpl scanner = (HFileScannerImpl) reader.getScanner(conf, true, true, false);</span> |
| <span class="source-line-no">200</span><span id="line-200"> HFileBlock block1 = reader.getDataBlockIndexReader()</span> |
| <span class="source-line-no">201</span><span id="line-201"> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)</span> |
| <span class="source-line-no">202</span><span id="line-202"> .getHFileBlock();</span> |
| <span class="source-line-no">203</span><span id="line-203"> waitBucketCacheFlushed(defaultBC);</span> |
| <span class="source-line-no">204</span><span id="line-204"> Assert.assertTrue(block1.getBlockType().isData());</span> |
| <span class="source-line-no">205</span><span id="line-205"> Assert.assertFalse(block1 instanceof ExclusiveMemHFileBlock);</span> |
| <span class="source-line-no">206</span><span id="line-206"></span> |
| <span class="source-line-no">207</span><span id="line-207"> HFileBlock block2 = reader.getDataBlockIndexReader().loadDataBlockWithScanInfo(secondCell, null,</span> |
| <span class="source-line-no">208</span><span id="line-208"> true, true, false, DataBlockEncoding.NONE, reader).getHFileBlock();</span> |
| <span class="source-line-no">209</span><span id="line-209"> waitBucketCacheFlushed(defaultBC);</span> |
| <span class="source-line-no">210</span><span id="line-210"> Assert.assertTrue(block2.getBlockType().isData());</span> |
| <span class="source-line-no">211</span><span id="line-211"> Assert.assertFalse(block2 instanceof ExclusiveMemHFileBlock);</span> |
| <span class="source-line-no">212</span><span id="line-212"> // Only one refCnt for RPC path.</span> |
| <span class="source-line-no">213</span><span id="line-213"> Assert.assertEquals(block1.refCnt(), 1);</span> |
| <span class="source-line-no">214</span><span id="line-214"> Assert.assertEquals(block2.refCnt(), 1);</span> |
| <span class="source-line-no">215</span><span id="line-215"> Assert.assertFalse(block1 == block2);</span> |
| <span class="source-line-no">216</span><span id="line-216"></span> |
| <span class="source-line-no">217</span><span id="line-217"> scanner.seekTo(firstCell);</span> |
| <span class="source-line-no">218</span><span id="line-218"> curBlock = scanner.curBlock;</span> |
| <span class="source-line-no">219</span><span id="line-219"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">220</span><span id="line-220"></span> |
| <span class="source-line-no">221</span><span id="line-221"> // Seek to the block again, the curBlock won't change and won't read from BlockCache. so</span> |
| <span class="source-line-no">222</span><span id="line-222"> // refCnt should be unchanged.</span> |
| <span class="source-line-no">223</span><span id="line-223"> scanner.seekTo(firstCell);</span> |
| <span class="source-line-no">224</span><span id="line-224"> Assert.assertTrue(curBlock == scanner.curBlock);</span> |
| <span class="source-line-no">225</span><span id="line-225"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">226</span><span id="line-226"> prevBlock = curBlock;</span> |
| <span class="source-line-no">227</span><span id="line-227"></span> |
| <span class="source-line-no">228</span><span id="line-228"> scanner.seekTo(secondCell);</span> |
| <span class="source-line-no">229</span><span id="line-229"> curBlock = scanner.curBlock;</span> |
| <span class="source-line-no">230</span><span id="line-230"> this.assertRefCnt(prevBlock, 2);</span> |
| <span class="source-line-no">231</span><span id="line-231"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">232</span><span id="line-232"></span> |
| <span class="source-line-no">233</span><span id="line-233"> // After shipped, the prevBlock will be release, but curBlock is still referenced by the</span> |
| <span class="source-line-no">234</span><span id="line-234"> // curBlock.</span> |
| <span class="source-line-no">235</span><span id="line-235"> scanner.shipped();</span> |
| <span class="source-line-no">236</span><span id="line-236"> this.assertRefCnt(prevBlock, 1);</span> |
| <span class="source-line-no">237</span><span id="line-237"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">238</span><span id="line-238"></span> |
| <span class="source-line-no">239</span><span id="line-239"> // Try to ship again, though with nothing to client.</span> |
| <span class="source-line-no">240</span><span id="line-240"> scanner.shipped();</span> |
| <span class="source-line-no">241</span><span id="line-241"> this.assertRefCnt(prevBlock, 1);</span> |
| <span class="source-line-no">242</span><span id="line-242"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">243</span><span id="line-243"></span> |
| <span class="source-line-no">244</span><span id="line-244"> // The curBlock will also be released.</span> |
| <span class="source-line-no">245</span><span id="line-245"> scanner.close();</span> |
| <span class="source-line-no">246</span><span id="line-246"> this.assertRefCnt(curBlock, 1);</span> |
| <span class="source-line-no">247</span><span id="line-247"></span> |
| <span class="source-line-no">248</span><span id="line-248"> // Finish the block & block2 RPC path</span> |
| <span class="source-line-no">249</span><span id="line-249"> Assert.assertTrue(block1.release());</span> |
| <span class="source-line-no">250</span><span id="line-250"> Assert.assertTrue(block2.release());</span> |
| <span class="source-line-no">251</span><span id="line-251"></span> |
| <span class="source-line-no">252</span><span id="line-252"> // Evict the LRUBlockCache</span> |
| <span class="source-line-no">253</span><span id="line-253"> Assert.assertTrue(defaultBC.evictBlocksByHfileName(hfilePath.getName()) >= 2);</span> |
| <span class="source-line-no">254</span><span id="line-254"> Assert.assertEquals(prevBlock.refCnt(), 0);</span> |
| <span class="source-line-no">255</span><span id="line-255"> Assert.assertEquals(curBlock.refCnt(), 0);</span> |
| <span class="source-line-no">256</span><span id="line-256"></span> |
| <span class="source-line-no">257</span><span id="line-257"> int count = 0;</span> |
| <span class="source-line-no">258</span><span id="line-258"> Assert.assertTrue(scanner.seekTo());</span> |
| <span class="source-line-no">259</span><span id="line-259"> ++count;</span> |
| <span class="source-line-no">260</span><span id="line-260"> while (scanner.next()) {</span> |
| <span class="source-line-no">261</span><span id="line-261"> count++;</span> |
| <span class="source-line-no">262</span><span id="line-262"> }</span> |
| <span class="source-line-no">263</span><span id="line-263"> assertEquals(CELL_COUNT, count);</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"> /**</span> |
| <span class="source-line-no">267</span><span id="line-267"> * See HBASE-22480</span> |
| <span class="source-line-no">268</span><span id="line-268"> */</span> |
| <span class="source-line-no">269</span><span id="line-269"> @Test</span> |
| <span class="source-line-no">270</span><span id="line-270"> public void testSeekBefore() throws Exception {</span> |
| <span class="source-line-no">271</span><span id="line-271"> HFileBlock curBlock, prevBlock;</span> |
| <span class="source-line-no">272</span><span id="line-272"> writeHFile(conf, fs, hfilePath, Algorithm.NONE, DataBlockEncoding.NONE, CELL_COUNT);</span> |
| <span class="source-line-no">273</span><span id="line-273"> BlockCache defaultBC = BlockCacheFactory.createBlockCache(conf);</span> |
| <span class="source-line-no">274</span><span id="line-274"> CacheConfig cacheConfig = new CacheConfig(conf, null, defaultBC, allocator);</span> |
| <span class="source-line-no">275</span><span id="line-275"> Assert.assertNotNull(defaultBC);</span> |
| <span class="source-line-no">276</span><span id="line-276"> Assert.assertTrue(cacheConfig.isCombinedBlockCache());</span> |
| <span class="source-line-no">277</span><span id="line-277"> HFile.Reader reader = HFile.createReader(fs, hfilePath, cacheConfig, true, conf);</span> |
| <span class="source-line-no">278</span><span id="line-278"> Assert.assertTrue(reader instanceof HFileReaderImpl);</span> |
| <span class="source-line-no">279</span><span id="line-279"> // We've build a HFile tree with index = 16.</span> |
| <span class="source-line-no">280</span><span id="line-280"> Assert.assertEquals(16, reader.getTrailer().getNumDataIndexLevels());</span> |
| <span class="source-line-no">281</span><span id="line-281"></span> |
| <span class="source-line-no">282</span><span id="line-282"> HFileScannerImpl scanner = (HFileScannerImpl) reader.getScanner(conf, true, true, false);</span> |
| <span class="source-line-no">283</span><span id="line-283"> HFileBlock block1 = reader.getDataBlockIndexReader()</span> |
| <span class="source-line-no">284</span><span id="line-284"> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)</span> |
| <span class="source-line-no">285</span><span id="line-285"> .getHFileBlock();</span> |
| <span class="source-line-no">286</span><span id="line-286"> Assert.assertTrue(block1.getBlockType().isData());</span> |
| <span class="source-line-no">287</span><span id="line-287"> Assert.assertFalse(block1 instanceof ExclusiveMemHFileBlock);</span> |
| <span class="source-line-no">288</span><span id="line-288"> HFileBlock block2 = reader.getDataBlockIndexReader().loadDataBlockWithScanInfo(secondCell, null,</span> |
| <span class="source-line-no">289</span><span id="line-289"> true, true, false, DataBlockEncoding.NONE, reader).getHFileBlock();</span> |
| <span class="source-line-no">290</span><span id="line-290"> Assert.assertTrue(block2.getBlockType().isData());</span> |
| <span class="source-line-no">291</span><span id="line-291"> Assert.assertFalse(block2 instanceof ExclusiveMemHFileBlock);</span> |
| <span class="source-line-no">292</span><span id="line-292"> // Wait until flushed to IOEngine;</span> |
| <span class="source-line-no">293</span><span id="line-293"> waitBucketCacheFlushed(defaultBC);</span> |
| <span class="source-line-no">294</span><span id="line-294"> // One RPC reference path.</span> |
| <span class="source-line-no">295</span><span id="line-295"> Assert.assertEquals(block1.refCnt(), 1);</span> |
| <span class="source-line-no">296</span><span id="line-296"> Assert.assertEquals(block2.refCnt(), 1);</span> |
| <span class="source-line-no">297</span><span id="line-297"></span> |
| <span class="source-line-no">298</span><span id="line-298"> // Let the curBlock refer to block2.</span> |
| <span class="source-line-no">299</span><span id="line-299"> scanner.seekTo(secondCell);</span> |
| <span class="source-line-no">300</span><span id="line-300"> curBlock = scanner.curBlock;</span> |
| <span class="source-line-no">301</span><span id="line-301"> Assert.assertFalse(curBlock == block2);</span> |
| <span class="source-line-no">302</span><span id="line-302"> Assert.assertEquals(1, block2.refCnt());</span> |
| <span class="source-line-no">303</span><span id="line-303"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">304</span><span id="line-304"> prevBlock = scanner.curBlock;</span> |
| <span class="source-line-no">305</span><span id="line-305"></span> |
| <span class="source-line-no">306</span><span id="line-306"> // Release the block1, no other reference.</span> |
| <span class="source-line-no">307</span><span id="line-307"> Assert.assertTrue(block1.release());</span> |
| <span class="source-line-no">308</span><span id="line-308"> Assert.assertEquals(0, block1.refCnt());</span> |
| <span class="source-line-no">309</span><span id="line-309"> // Release the block2, no other reference.</span> |
| <span class="source-line-no">310</span><span id="line-310"> Assert.assertTrue(block2.release());</span> |
| <span class="source-line-no">311</span><span id="line-311"> Assert.assertEquals(0, block2.refCnt());</span> |
| <span class="source-line-no">312</span><span id="line-312"></span> |
| <span class="source-line-no">313</span><span id="line-313"> // Do the seekBefore: the newBlock will be the previous block of curBlock.</span> |
| <span class="source-line-no">314</span><span id="line-314"> Assert.assertTrue(scanner.seekBefore(secondCell));</span> |
| <span class="source-line-no">315</span><span id="line-315"> Assert.assertEquals(scanner.prevBlocks.size(), 1);</span> |
| <span class="source-line-no">316</span><span id="line-316"> Assert.assertTrue(scanner.prevBlocks.get(0) == prevBlock);</span> |
| <span class="source-line-no">317</span><span id="line-317"> curBlock = scanner.curBlock;</span> |
| <span class="source-line-no">318</span><span id="line-318"> // the curBlock is read from IOEngine, so a different block.</span> |
| <span class="source-line-no">319</span><span id="line-319"> Assert.assertFalse(curBlock == block1);</span> |
| <span class="source-line-no">320</span><span id="line-320"> // Two reference for curBlock: 1. scanner; 2. blockCache.</span> |
| <span class="source-line-no">321</span><span id="line-321"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">322</span><span id="line-322"> // Reference count of prevBlock must be unchanged because we haven't shipped.</span> |
| <span class="source-line-no">323</span><span id="line-323"> this.assertRefCnt(prevBlock, 2);</span> |
| <span class="source-line-no">324</span><span id="line-324"></span> |
| <span class="source-line-no">325</span><span id="line-325"> // Do the shipped</span> |
| <span class="source-line-no">326</span><span id="line-326"> scanner.shipped();</span> |
| <span class="source-line-no">327</span><span id="line-327"> Assert.assertEquals(scanner.prevBlocks.size(), 0);</span> |
| <span class="source-line-no">328</span><span id="line-328"> Assert.assertNotNull(scanner.curBlock);</span> |
| <span class="source-line-no">329</span><span id="line-329"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">330</span><span id="line-330"> this.assertRefCnt(prevBlock, 1);</span> |
| <span class="source-line-no">331</span><span id="line-331"></span> |
| <span class="source-line-no">332</span><span id="line-332"> // Do the close</span> |
| <span class="source-line-no">333</span><span id="line-333"> scanner.close();</span> |
| <span class="source-line-no">334</span><span id="line-334"> Assert.assertNull(scanner.curBlock);</span> |
| <span class="source-line-no">335</span><span id="line-335"> this.assertRefCnt(curBlock, 1);</span> |
| <span class="source-line-no">336</span><span id="line-336"> this.assertRefCnt(prevBlock, 1);</span> |
| <span class="source-line-no">337</span><span id="line-337"></span> |
| <span class="source-line-no">338</span><span id="line-338"> Assert.assertTrue(defaultBC.evictBlocksByHfileName(hfilePath.getName()) >= 2);</span> |
| <span class="source-line-no">339</span><span id="line-339"> Assert.assertEquals(0, curBlock.refCnt());</span> |
| <span class="source-line-no">340</span><span id="line-340"> Assert.assertEquals(0, prevBlock.refCnt());</span> |
| <span class="source-line-no">341</span><span id="line-341"></span> |
| <span class="source-line-no">342</span><span id="line-342"> // Reload the block1 again.</span> |
| <span class="source-line-no">343</span><span id="line-343"> block1 = reader.getDataBlockIndexReader()</span> |
| <span class="source-line-no">344</span><span id="line-344"> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)</span> |
| <span class="source-line-no">345</span><span id="line-345"> .getHFileBlock();</span> |
| <span class="source-line-no">346</span><span id="line-346"> // Wait until flushed to IOEngine;</span> |
| <span class="source-line-no">347</span><span id="line-347"> waitBucketCacheFlushed(defaultBC);</span> |
| <span class="source-line-no">348</span><span id="line-348"> Assert.assertTrue(block1.getBlockType().isData());</span> |
| <span class="source-line-no">349</span><span id="line-349"> Assert.assertFalse(block1 instanceof ExclusiveMemHFileBlock);</span> |
| <span class="source-line-no">350</span><span id="line-350"> Assert.assertTrue(block1.release());</span> |
| <span class="source-line-no">351</span><span id="line-351"> Assert.assertEquals(0, block1.refCnt());</span> |
| <span class="source-line-no">352</span><span id="line-352"> // Re-seek to the begin.</span> |
| <span class="source-line-no">353</span><span id="line-353"> Assert.assertTrue(scanner.seekTo());</span> |
| <span class="source-line-no">354</span><span id="line-354"> curBlock = scanner.curBlock;</span> |
| <span class="source-line-no">355</span><span id="line-355"> Assert.assertFalse(curBlock == block1);</span> |
| <span class="source-line-no">356</span><span id="line-356"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">357</span><span id="line-357"> // Return false because firstCell <= c[0]</span> |
| <span class="source-line-no">358</span><span id="line-358"> Assert.assertFalse(scanner.seekBefore(firstCell));</span> |
| <span class="source-line-no">359</span><span id="line-359"> // The block1 shouldn't be released because we still don't do the shipped or close.</span> |
| <span class="source-line-no">360</span><span id="line-360"> this.assertRefCnt(curBlock, 2);</span> |
| <span class="source-line-no">361</span><span id="line-361"></span> |
| <span class="source-line-no">362</span><span id="line-362"> scanner.close();</span> |
| <span class="source-line-no">363</span><span id="line-363"> this.assertRefCnt(curBlock, 1);</span> |
| <span class="source-line-no">364</span><span id="line-364"> Assert.assertTrue(defaultBC.evictBlocksByHfileName(hfilePath.getName()) >= 1);</span> |
| <span class="source-line-no">365</span><span id="line-365"> Assert.assertEquals(0, curBlock.refCnt());</span> |
| <span class="source-line-no">366</span><span id="line-366"> }</span> |
| <span class="source-line-no">367</span><span id="line-367"></span> |
| <span class="source-line-no">368</span><span id="line-368"> private void assertRefCnt(HFileBlock block, int value) {</span> |
| <span class="source-line-no">369</span><span id="line-369"> if (ioengine.startsWith("offheap") || ioengine.startsWith("pmem")) {</span> |
| <span class="source-line-no">370</span><span id="line-370"> Assert.assertEquals(value, block.refCnt());</span> |
| <span class="source-line-no">371</span><span id="line-371"> } else {</span> |
| <span class="source-line-no">372</span><span id="line-372"> Assert.assertEquals(value - 1, block.refCnt());</span> |
| <span class="source-line-no">373</span><span id="line-373"> }</span> |
| <span class="source-line-no">374</span><span id="line-374"> }</span> |
| <span class="source-line-no">375</span><span id="line-375"></span> |
| <span class="source-line-no">376</span><span id="line-376"> @Test</span> |
| <span class="source-line-no">377</span><span id="line-377"> public void testDefault() throws Exception {</span> |
| <span class="source-line-no">378</span><span id="line-378"> testReleaseBlock(Algorithm.NONE, DataBlockEncoding.NONE);</span> |
| <span class="source-line-no">379</span><span id="line-379"> }</span> |
| <span class="source-line-no">380</span><span id="line-380"></span> |
| <span class="source-line-no">381</span><span id="line-381"> @Test</span> |
| <span class="source-line-no">382</span><span id="line-382"> public void testCompression() throws Exception {</span> |
| <span class="source-line-no">383</span><span id="line-383"> testReleaseBlock(Algorithm.GZ, DataBlockEncoding.NONE);</span> |
| <span class="source-line-no">384</span><span id="line-384"> }</span> |
| <span class="source-line-no">385</span><span id="line-385"></span> |
| <span class="source-line-no">386</span><span id="line-386"> @Test</span> |
| <span class="source-line-no">387</span><span id="line-387"> public void testDataBlockEncoding() throws Exception {</span> |
| <span class="source-line-no">388</span><span id="line-388"> testReleaseBlock(Algorithm.NONE, DataBlockEncoding.ROW_INDEX_V1);</span> |
| <span class="source-line-no">389</span><span id="line-389"> }</span> |
| <span class="source-line-no">390</span><span id="line-390"></span> |
| <span class="source-line-no">391</span><span id="line-391"> @Test</span> |
| <span class="source-line-no">392</span><span id="line-392"> public void testDataBlockEncodingAndCompression() throws Exception {</span> |
| <span class="source-line-no">393</span><span id="line-393"> testReleaseBlock(Algorithm.GZ, DataBlockEncoding.ROW_INDEX_V1);</span> |
| <span class="source-line-no">394</span><span id="line-394"> }</span> |
| <span class="source-line-no">395</span><span id="line-395"></span> |
| <span class="source-line-no">396</span><span id="line-396"> @Test</span> |
| <span class="source-line-no">397</span><span id="line-397"> public void testWithLruBlockCache() throws Exception {</span> |
| <span class="source-line-no">398</span><span id="line-398"> HFileBlock curBlock;</span> |
| <span class="source-line-no">399</span><span id="line-399"> writeHFile(conf, fs, hfilePath, Algorithm.NONE, DataBlockEncoding.NONE, CELL_COUNT);</span> |
| <span class="source-line-no">400</span><span id="line-400"> // Set LruBlockCache</span> |
| <span class="source-line-no">401</span><span id="line-401"> conf.set(BUCKET_CACHE_IOENGINE_KEY, "");</span> |
| <span class="source-line-no">402</span><span id="line-402"> BlockCache defaultBC = BlockCacheFactory.createBlockCache(conf);</span> |
| <span class="source-line-no">403</span><span id="line-403"> CacheConfig cacheConfig = new CacheConfig(conf, null, defaultBC, allocator);</span> |
| <span class="source-line-no">404</span><span id="line-404"> Assert.assertNotNull(defaultBC);</span> |
| <span class="source-line-no">405</span><span id="line-405"> Assert.assertFalse(cacheConfig.isCombinedBlockCache()); // Must be LruBlockCache.</span> |
| <span class="source-line-no">406</span><span id="line-406"> HFile.Reader reader = HFile.createReader(fs, hfilePath, cacheConfig, true, conf);</span> |
| <span class="source-line-no">407</span><span id="line-407"> Assert.assertTrue(reader instanceof HFileReaderImpl);</span> |
| <span class="source-line-no">408</span><span id="line-408"> // We've build a HFile tree with index = 16.</span> |
| <span class="source-line-no">409</span><span id="line-409"> Assert.assertEquals(16, reader.getTrailer().getNumDataIndexLevels());</span> |
| <span class="source-line-no">410</span><span id="line-410"></span> |
| <span class="source-line-no">411</span><span id="line-411"> HFileScannerImpl scanner = (HFileScannerImpl) reader.getScanner(conf, true, true, false);</span> |
| <span class="source-line-no">412</span><span id="line-412"> HFileBlock block1 = reader.getDataBlockIndexReader()</span> |
| <span class="source-line-no">413</span><span id="line-413"> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)</span> |
| <span class="source-line-no">414</span><span id="line-414"> .getHFileBlock();</span> |
| <span class="source-line-no">415</span><span id="line-415"> Assert.assertTrue(block1.getBlockType().isData());</span> |
| <span class="source-line-no">416</span><span id="line-416"> Assert.assertTrue(block1 instanceof ExclusiveMemHFileBlock);</span> |
| <span class="source-line-no">417</span><span id="line-417"> HFileBlock block2 = reader.getDataBlockIndexReader().loadDataBlockWithScanInfo(secondCell, null,</span> |
| <span class="source-line-no">418</span><span id="line-418"> true, true, false, DataBlockEncoding.NONE, reader).getHFileBlock();</span> |
| <span class="source-line-no">419</span><span id="line-419"> Assert.assertTrue(block2.getBlockType().isData());</span> |
| <span class="source-line-no">420</span><span id="line-420"> Assert.assertTrue(block2 instanceof ExclusiveMemHFileBlock);</span> |
| <span class="source-line-no">421</span><span id="line-421"> // One RPC reference path.</span> |
| <span class="source-line-no">422</span><span id="line-422"> Assert.assertEquals(block1.refCnt(), 0);</span> |
| <span class="source-line-no">423</span><span id="line-423"> Assert.assertEquals(block2.refCnt(), 0);</span> |
| <span class="source-line-no">424</span><span id="line-424"></span> |
| <span class="source-line-no">425</span><span id="line-425"> scanner.seekTo(firstCell);</span> |
| <span class="source-line-no">426</span><span id="line-426"> curBlock = scanner.curBlock;</span> |
| <span class="source-line-no">427</span><span id="line-427"> Assert.assertTrue(curBlock == block1);</span> |
| <span class="source-line-no">428</span><span id="line-428"> Assert.assertEquals(curBlock.refCnt(), 0);</span> |
| <span class="source-line-no">429</span><span id="line-429"> Assert.assertTrue(scanner.prevBlocks.isEmpty());</span> |
| <span class="source-line-no">430</span><span id="line-430"></span> |
| <span class="source-line-no">431</span><span id="line-431"> // Switch to next block</span> |
| <span class="source-line-no">432</span><span id="line-432"> scanner.seekTo(secondCell);</span> |
| <span class="source-line-no">433</span><span id="line-433"> curBlock = scanner.curBlock;</span> |
| <span class="source-line-no">434</span><span id="line-434"> Assert.assertTrue(curBlock == block2);</span> |
| <span class="source-line-no">435</span><span id="line-435"> Assert.assertEquals(curBlock.refCnt(), 0);</span> |
| <span class="source-line-no">436</span><span id="line-436"> Assert.assertEquals(curBlock.retain().refCnt(), 0);</span> |
| <span class="source-line-no">437</span><span id="line-437"> // Only pooled HFileBlock will be kept in prevBlocks and ExclusiveMemHFileBlock will never keep</span> |
| <span class="source-line-no">438</span><span id="line-438"> // in prevBlocks.</span> |
| <span class="source-line-no">439</span><span id="line-439"> Assert.assertTrue(scanner.prevBlocks.isEmpty());</span> |
| <span class="source-line-no">440</span><span id="line-440"></span> |
| <span class="source-line-no">441</span><span id="line-441"> // close the scanner</span> |
| <span class="source-line-no">442</span><span id="line-442"> scanner.close();</span> |
| <span class="source-line-no">443</span><span id="line-443"> Assert.assertNull(scanner.curBlock);</span> |
| <span class="source-line-no">444</span><span id="line-444"> Assert.assertTrue(scanner.prevBlocks.isEmpty());</span> |
| <span class="source-line-no">445</span><span id="line-445"> }</span> |
| <span class="source-line-no">446</span><span id="line-446"></span> |
| <span class="source-line-no">447</span><span id="line-447"> @Test</span> |
| <span class="source-line-no">448</span><span id="line-448"> public void testDisabledBlockCache() throws Exception {</span> |
| <span class="source-line-no">449</span><span id="line-449"> writeHFile(conf, fs, hfilePath, Algorithm.NONE, DataBlockEncoding.NONE, CELL_COUNT);</span> |
| <span class="source-line-no">450</span><span id="line-450"> // Set LruBlockCache</span> |
| <span class="source-line-no">451</span><span id="line-451"> conf.setFloat(HFILE_BLOCK_CACHE_SIZE_KEY, 0.0f);</span> |
| <span class="source-line-no">452</span><span id="line-452"> BlockCache defaultBC = BlockCacheFactory.createBlockCache(conf);</span> |
| <span class="source-line-no">453</span><span id="line-453"> Assert.assertNull(defaultBC);</span> |
| <span class="source-line-no">454</span><span id="line-454"> CacheConfig cacheConfig = new CacheConfig(conf, null, defaultBC, allocator);</span> |
| <span class="source-line-no">455</span><span id="line-455"> Assert.assertFalse(cacheConfig.isCombinedBlockCache()); // Must be LruBlockCache.</span> |
| <span class="source-line-no">456</span><span id="line-456"> HFile.Reader reader = HFile.createReader(fs, hfilePath, cacheConfig, true, conf);</span> |
| <span class="source-line-no">457</span><span id="line-457"> Assert.assertTrue(reader instanceof HFileReaderImpl);</span> |
| <span class="source-line-no">458</span><span id="line-458"> // We've build a HFile tree with index = 16.</span> |
| <span class="source-line-no">459</span><span id="line-459"> Assert.assertEquals(16, reader.getTrailer().getNumDataIndexLevels());</span> |
| <span class="source-line-no">460</span><span id="line-460"></span> |
| <span class="source-line-no">461</span><span id="line-461"> HFileBlock block1 = reader.getDataBlockIndexReader()</span> |
| <span class="source-line-no">462</span><span id="line-462"> .loadDataBlockWithScanInfo(firstCell, null, true, true, false, DataBlockEncoding.NONE, reader)</span> |
| <span class="source-line-no">463</span><span id="line-463"> .getHFileBlock();</span> |
| <span class="source-line-no">464</span><span id="line-464"></span> |
| <span class="source-line-no">465</span><span id="line-465"> Assert.assertTrue(block1.isSharedMem());</span> |
| <span class="source-line-no">466</span><span id="line-466"> Assert.assertTrue(block1 instanceof SharedMemHFileBlock);</span> |
| <span class="source-line-no">467</span><span id="line-467"> Assert.assertEquals(1, block1.refCnt());</span> |
| <span class="source-line-no">468</span><span id="line-468"> Assert.assertTrue(block1.release());</span> |
| <span class="source-line-no">469</span><span id="line-469"> }</span> |
| <span class="source-line-no">470</span><span id="line-470">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
