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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 java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Arrays;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Collection;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Random;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.conf.Configuration;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.fs.FileSystem;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.fs.Path;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.ArrayBackedTag;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.Cell;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.CellComparatorImpl;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HConstants;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.Tag;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.ByteBuffAllocator;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.compress.Compression;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.testclassification.IOTests;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Writables;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.io.Text;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.junit.Assert;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.Before;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.ClassRule;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.Test;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.experimental.categories.Category;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.runner.RunWith;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.runners.Parameterized;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.slf4j.Logger;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.slf4j.LoggerFactory;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span>/**<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * Testing writing a version 3 {@link HFile} for all encoded blocks<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> */<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>@RunWith(Parameterized.class)<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>@Category({ IOTests.class, MediumTests.class })<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>public class TestHFileWriterV3WithDataEncoders {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> @ClassRule<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> HBaseClassTestRule.forClass(TestHFileWriterV3WithDataEncoders.class);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static final Logger LOG =<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> LoggerFactory.getLogger(TestHFileWriterV3WithDataEncoders.class);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private static final Random RNG = new Random(9713312); // Just a fixed seed.<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private Configuration conf;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private FileSystem fs;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private boolean useTags;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private DataBlockEncoding dataBlockEncoding;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> public TestHFileWriterV3WithDataEncoders(boolean useTags, DataBlockEncoding dataBlockEncoding) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> this.useTags = useTags;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> this.dataBlockEncoding = dataBlockEncoding;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> @Parameterized.Parameters<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public static Collection<Object[]> parameters() {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> DataBlockEncoding[] dataBlockEncodings = DataBlockEncoding.values();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> Object[][] params = new Object[dataBlockEncodings.length * 2 - 2][];<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> int i = 0;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> for (DataBlockEncoding dataBlockEncoding : dataBlockEncodings) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> if (dataBlockEncoding == DataBlockEncoding.NONE) {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> continue;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> params[i++] = new Object[] { false, dataBlockEncoding };<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> params[i++] = new Object[] { true, dataBlockEncoding };<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> return Arrays.asList(params);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> @Before<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> public void setUp() throws IOException {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> conf = TEST_UTIL.getConfiguration();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> fs = FileSystem.get(conf);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> @Test<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public void testHFileFormatV3() throws IOException {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> testHFileFormatV3Internals(useTags);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> private void testHFileFormatV3Internals(boolean useTags) throws IOException {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> Path hfilePath = new Path(TEST_UTIL.getDataTestDir(), "testHFileFormatV3");<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> final Compression.Algorithm compressAlgo = Compression.Algorithm.GZ;<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> final int entryCount = 10000;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> writeDataAndReadFromHFile(hfilePath, compressAlgo, entryCount, false, useTags);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> @Test<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> public void testMidKeyInHFile() throws IOException {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> testMidKeyInHFileInternals(useTags);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> private void testMidKeyInHFileInternals(boolean useTags) throws IOException {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> Path hfilePath = new Path(TEST_UTIL.getDataTestDir(), "testMidKeyInHFile");<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> Compression.Algorithm compressAlgo = Compression.Algorithm.NONE;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> int entryCount = 50000;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> writeDataAndReadFromHFile(hfilePath, compressAlgo, entryCount, true, useTags);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> private void writeDataAndReadFromHFile(Path hfilePath, Compression.Algorithm compressAlgo,<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> int entryCount, boolean findMidKey, boolean useTags) throws IOException {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> HFileContext context = new HFileContextBuilder().withBlockSize(4096).withIncludesTags(useTags)<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> .withDataBlockEncoding(dataBlockEncoding).withCellComparator(CellComparatorImpl.COMPARATOR)<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> .withCompression(compressAlgo).build();<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> CacheConfig cacheConfig = new CacheConfig(conf);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> HFile.Writer writer = new HFile.WriterFactory(conf, cacheConfig).withPath(fs, hfilePath)<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> .withFileContext(context).create();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> List<KeyValue> keyValues = new ArrayList<>(entryCount);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> writeKeyValues(entryCount, useTags, writer, RNG, keyValues);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span><a name="line.144"></a> |
| <span class="sourceLineNo">145</span> FSDataInputStream fsdis = fs.open(hfilePath);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> long fileSize = fs.getFileStatus(hfilePath).getLen();<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> FixedFileTrailer trailer = FixedFileTrailer.readFromStream(fsdis, fileSize);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> Assert.assertEquals(3, trailer.getMajorVersion());<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> Assert.assertEquals(entryCount, trailer.getEntryCount());<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> HFileContext meta = new HFileContextBuilder().withCompression(compressAlgo)<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> .withIncludesMvcc(true).withIncludesTags(useTags).withDataBlockEncoding(dataBlockEncoding)<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> .withHBaseCheckSum(true).build();<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> ReaderContext readerContext =<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> new ReaderContextBuilder().withInputStreamWrapper(new FSDataInputStreamWrapper(fsdis))<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> .withFilePath(hfilePath).withFileSystem(fs).withFileSize(fileSize).build();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> HFileBlock.FSReader blockReader =<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> new HFileBlock.FSReaderImpl(readerContext, meta, ByteBuffAllocator.HEAP, conf);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> // Comparator class name is stored in the trailer in version 3.<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> CellComparator comparator = trailer.createComparator();<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> HFileBlockIndex.BlockIndexReader dataBlockIndexReader =<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> new HFileBlockIndex.CellBasedKeyBlockIndexReader(comparator, trailer.getNumDataIndexLevels());<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> HFileBlockIndex.BlockIndexReader metaBlockIndexReader =<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> new HFileBlockIndex.ByteArrayKeyBlockIndexReader(1);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> HFileBlock.BlockIterator blockIter = blockReader.blockRange(trailer.getLoadOnOpenDataOffset(),<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> fileSize - trailer.getTrailerSize());<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // Data index. We also read statistics about the block index written after<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> // the root level.<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> dataBlockIndexReader.readMultiLevelIndexRoot(<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> blockIter.nextBlockWithBlockType(BlockType.ROOT_INDEX), trailer.getDataIndexCount());<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> FSDataInputStreamWrapper wrapper = new FSDataInputStreamWrapper(fs, hfilePath);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> readerContext = new ReaderContextBuilder().withFilePath(hfilePath).withFileSize(fileSize)<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> .withFileSystem(wrapper.getHfs()).withInputStreamWrapper(wrapper).build();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> HFileInfo hfile = new HFileInfo(readerContext, conf);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> HFile.Reader reader = new HFilePreadReader(readerContext, hfile, cacheConfig, conf);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> hfile.initMetaAndIndex(reader);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> if (findMidKey) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> Cell midkey = dataBlockIndexReader.midkey(reader);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> Assert.assertNotNull("Midkey should not be null", midkey);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span><a name="line.184"></a> |
| <span class="sourceLineNo">185</span> // Meta index.<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> metaBlockIndexReader.readRootIndex(<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> blockIter.nextBlockWithBlockType(BlockType.ROOT_INDEX).getByteStream(),<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> trailer.getMetaIndexCount());<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> // File info<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> HFileInfo fileInfo = new HFileInfo();<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> fileInfo.read(blockIter.nextBlockWithBlockType(BlockType.FILE_INFO).getByteStream());<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> byte[] keyValueFormatVersion = fileInfo.get(HFileWriterImpl.KEY_VALUE_VERSION);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> boolean includeMemstoreTS =<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> keyValueFormatVersion != null && Bytes.toInt(keyValueFormatVersion) > 0;<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> // Counters for the number of key/value pairs and the number of blocks<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> int entriesRead = 0;<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> int blocksRead = 0;<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> long memstoreTS = 0;<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> DataBlockEncoder encoder = dataBlockEncoding.getEncoder();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> long curBlockPos = scanBlocks(entryCount, context, keyValues, fsdis, trailer, meta, blockReader,<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> entriesRead, blocksRead, encoder);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> // Meta blocks. We can scan until the load-on-open data offset (which is<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // the root block index offset in version 2) because we are not testing<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> // intermediate-level index blocks here.<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> int metaCounter = 0;<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> while (fsdis.getPos() < trailer.getLoadOnOpenDataOffset()) {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> LOG.info("Current offset: {}, scanning until {}", fsdis.getPos(),<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> trailer.getLoadOnOpenDataOffset());<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> HFileBlock block =<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> blockReader.readBlockData(curBlockPos, -1, false, false, true).unpack(context, blockReader);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> Assert.assertEquals(BlockType.META, block.getBlockType());<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> Text t = new Text();<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> ByteBuff buf = block.getBufferWithoutHeader();<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> if (Writables.getWritable(buf.array(), buf.arrayOffset(), buf.limit(), t) == null) {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> throw new IOException(<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> "Failed to deserialize block " + this + " into a " + t.getClass().getSimpleName());<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> Text expectedText = (metaCounter == 0 ? new Text("Paris")<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> : metaCounter == 1 ? new Text("Moscow")<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> : new Text("Washington, D.C."));<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> Assert.assertEquals(expectedText, t);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> LOG.info("Read meta block data: " + t);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> ++metaCounter;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> curBlockPos += block.getOnDiskSizeWithHeader();<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> }<a name="line.229"></a> |
| <span class="sourceLineNo">230</span><a name="line.230"></a> |
| <span class="sourceLineNo">231</span> fsdis.close();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> reader.close();<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span><a name="line.234"></a> |
| <span class="sourceLineNo">235</span> private long scanBlocks(int entryCount, HFileContext context, List<KeyValue> keyValues,<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> FSDataInputStream fsdis, FixedFileTrailer trailer, HFileContext meta,<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> HFileBlock.FSReader blockReader, int entriesRead, int blocksRead, DataBlockEncoder encoder)<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> throws IOException {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> // Scan blocks the way the reader would scan them<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> fsdis.seek(0);<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> long curBlockPos = 0;<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> while (curBlockPos <= trailer.getLastDataBlockOffset()) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> HFileBlockDecodingContext ctx = blockReader.getBlockDecodingContext();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> HFileBlock block =<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> blockReader.readBlockData(curBlockPos, -1, false, false, true).unpack(context, blockReader);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> Assert.assertEquals(BlockType.ENCODED_DATA, block.getBlockType());<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> ByteBuff origBlock = block.getBufferReadOnly();<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> int pos = block.headerSize() + DataBlockEncoding.ID_SIZE;<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> origBlock.position(pos);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> origBlock.limit(pos + block.getUncompressedSizeWithoutHeader() - DataBlockEncoding.ID_SIZE);<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> ByteBuff buf = origBlock.slice();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> DataBlockEncoder.EncodedSeeker seeker =<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> encoder.createSeeker(encoder.newDataBlockDecodingContext(conf, meta));<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> seeker.setCurrentBuffer(buf);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> Cell res = seeker.getCell();<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> KeyValue kv = keyValues.get(entriesRead);<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> Assert.assertEquals(0, CellComparatorImpl.COMPARATOR.compare(res, kv));<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> ++entriesRead;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> while (seeker.next()) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> res = seeker.getCell();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> kv = keyValues.get(entriesRead);<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> Assert.assertEquals(0, CellComparatorImpl.COMPARATOR.compare(res, kv));<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> ++entriesRead;<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> ++blocksRead;<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> curBlockPos += block.getOnDiskSizeWithHeader();<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> LOG.info("Finished reading: entries={}, blocksRead = {}", entriesRead, blocksRead);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> Assert.assertEquals(entryCount, entriesRead);<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> return curBlockPos;<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<a name="line.271"></a> |
| <span class="sourceLineNo">272</span><a name="line.272"></a> |
| <span class="sourceLineNo">273</span> private void writeKeyValues(int entryCount, boolean useTags, HFile.Writer writer, Random rand,<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> List<KeyValue> keyValues) throws IOException {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> for (int i = 0; i < entryCount; ++i) {<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> byte[] keyBytes = RandomKeyValueUtil.randomOrderedKey(rand, i);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> // A random-length random value.<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> byte[] valueBytes = RandomKeyValueUtil.randomValue(rand);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> KeyValue keyValue = null;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> if (useTags) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> ArrayList<Tag> tags = new ArrayList<>();<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> for (int j = 0; j < 1 + rand.nextInt(4); j++) {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> byte[] tagBytes = new byte[16];<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> rand.nextBytes(tagBytes);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> tags.add(new ArrayBackedTag((byte) 1, tagBytes));<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> keyValue =<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> new KeyValue(keyBytes, null, null, HConstants.LATEST_TIMESTAMP, valueBytes, tags);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> } else {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> keyValue = new KeyValue(keyBytes, null, null, HConstants.LATEST_TIMESTAMP, valueBytes);<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> writer.append(keyValue);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> keyValues.add(keyValue);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> // Add in an arbitrary order. They will be sorted lexicographically by<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> // the key.<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> writer.appendMetaBlock("CAPITAL_OF_USA", new Text("Washington, D.C."));<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> writer.appendMetaBlock("CAPITAL_OF_RUSSIA", new Text("Moscow"));<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> writer.appendMetaBlock("CAPITAL_OF_FRANCE", new Text("Paris"));<a name="line.302"></a> |
| <span class="sourceLineNo">303</span><a name="line.303"></a> |
| <span class="sourceLineNo">304</span> writer.close();<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> }<a name="line.305"></a> |
| <span class="sourceLineNo">306</span><a name="line.306"></a> |
| <span class="sourceLineNo">307</span>}<a name="line.307"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
