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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.util;</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 java.nio.ByteBuffer;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.ArrayList;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Arrays;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.HashMap;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.List;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Map;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Random;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.ArrayBackedTag;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.ByteBufferKeyValue;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.CellComparator;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.ExtendedCell;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.KeyValue;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.Tag;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.io.WritableUtils;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hbase.thirdparty.com.google.common.primitives.Bytes;</span> |
| <span class="source-line-no">037</span><span id="line-37"></span> |
| <span class="source-line-no">038</span><span id="line-38">/**</span> |
| <span class="source-line-no">039</span><span id="line-39"> * Generate list of key values which are very useful to test data block encoding and compression.</span> |
| <span class="source-line-no">040</span><span id="line-40"> */</span> |
| <span class="source-line-no">041</span><span id="line-41">@edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "RV_ABSOLUTE_VALUE_OF_RANDOM_INT",</span> |
| <span class="source-line-no">042</span><span id="line-42"> justification = "Should probably fix")</span> |
| <span class="source-line-no">043</span><span id="line-43">@InterfaceAudience.Private</span> |
| <span class="source-line-no">044</span><span id="line-44">public class RedundantKVGenerator {</span> |
| <span class="source-line-no">045</span><span id="line-45"> // row settings</span> |
| <span class="source-line-no">046</span><span id="line-46"> static byte[] DEFAULT_COMMON_PREFIX = new byte[0];</span> |
| <span class="source-line-no">047</span><span id="line-47"> static int DEFAULT_NUMBER_OF_ROW_PREFIXES = 10;</span> |
| <span class="source-line-no">048</span><span id="line-48"> static int DEFAULT_AVERAGE_PREFIX_LENGTH = 6;</span> |
| <span class="source-line-no">049</span><span id="line-49"> static int DEFAULT_PREFIX_LENGTH_VARIANCE = 3;</span> |
| <span class="source-line-no">050</span><span id="line-50"> static int DEFAULT_AVERAGE_SUFFIX_LENGTH = 3;</span> |
| <span class="source-line-no">051</span><span id="line-51"> static int DEFAULT_SUFFIX_LENGTH_VARIANCE = 3;</span> |
| <span class="source-line-no">052</span><span id="line-52"> static int DEFAULT_NUMBER_OF_ROW = 500;</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> // qualifier</span> |
| <span class="source-line-no">055</span><span id="line-55"> static float DEFAULT_CHANCE_FOR_SAME_QUALIFIER = 0.5f;</span> |
| <span class="source-line-no">056</span><span id="line-56"> static float DEFAULT_CHANCE_FOR_SIMILIAR_QUALIFIER = 0.4f;</span> |
| <span class="source-line-no">057</span><span id="line-57"> static int DEFAULT_AVERAGE_QUALIFIER_LENGTH = 9;</span> |
| <span class="source-line-no">058</span><span id="line-58"> static int DEFAULT_QUALIFIER_LENGTH_VARIANCE = 3;</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> static int DEFAULT_COLUMN_FAMILY_LENGTH = 9;</span> |
| <span class="source-line-no">061</span><span id="line-61"> static int DEFAULT_VALUE_LENGTH = 8;</span> |
| <span class="source-line-no">062</span><span id="line-62"> static float DEFAULT_CHANCE_FOR_ZERO_VALUE = 0.5f;</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> static int DEFAULT_BASE_TIMESTAMP_DIVIDE = 1000000;</span> |
| <span class="source-line-no">065</span><span id="line-65"> static int DEFAULT_TIMESTAMP_DIFF_SIZE = 100000000;</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> /**</span> |
| <span class="source-line-no">068</span><span id="line-68"> * Default constructor, assumes all parameters from class constants.</span> |
| <span class="source-line-no">069</span><span id="line-69"> */</span> |
| <span class="source-line-no">070</span><span id="line-70"> public RedundantKVGenerator() {</span> |
| <span class="source-line-no">071</span><span id="line-71"> this(new Random(42L), DEFAULT_NUMBER_OF_ROW_PREFIXES, DEFAULT_AVERAGE_PREFIX_LENGTH,</span> |
| <span class="source-line-no">072</span><span id="line-72"> DEFAULT_PREFIX_LENGTH_VARIANCE, DEFAULT_AVERAGE_SUFFIX_LENGTH, DEFAULT_SUFFIX_LENGTH_VARIANCE,</span> |
| <span class="source-line-no">073</span><span id="line-73"> DEFAULT_NUMBER_OF_ROW,</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> DEFAULT_CHANCE_FOR_SAME_QUALIFIER, DEFAULT_CHANCE_FOR_SIMILIAR_QUALIFIER,</span> |
| <span class="source-line-no">076</span><span id="line-76"> DEFAULT_AVERAGE_QUALIFIER_LENGTH, DEFAULT_QUALIFIER_LENGTH_VARIANCE,</span> |
| <span class="source-line-no">077</span><span id="line-77"></span> |
| <span class="source-line-no">078</span><span id="line-78"> DEFAULT_COLUMN_FAMILY_LENGTH, DEFAULT_VALUE_LENGTH, DEFAULT_CHANCE_FOR_ZERO_VALUE,</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> DEFAULT_BASE_TIMESTAMP_DIVIDE, DEFAULT_TIMESTAMP_DIFF_SIZE);</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> /**</span> |
| <span class="source-line-no">084</span><span id="line-84"> * Various configuration options for generating key values</span> |
| <span class="source-line-no">085</span><span id="line-85"> * @param randomizer pick things by random</span> |
| <span class="source-line-no">086</span><span id="line-86"> */</span> |
| <span class="source-line-no">087</span><span id="line-87"> public RedundantKVGenerator(Random randomizer, int numberOfRowPrefixes, int averagePrefixLength,</span> |
| <span class="source-line-no">088</span><span id="line-88"> int prefixLengthVariance, int averageSuffixLength, int suffixLengthVariance, int numberOfRows,</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> float chanceForSameQualifier, float chanceForSimiliarQualifier, int averageQualifierLength,</span> |
| <span class="source-line-no">091</span><span id="line-91"> int qualifierLengthVariance,</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> int columnFamilyLength, int valueLength, float chanceForZeroValue,</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> int baseTimestampDivide, int timestampDiffSize) {</span> |
| <span class="source-line-no">096</span><span id="line-96"> this.randomizer = randomizer;</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> this.commonPrefix = DEFAULT_COMMON_PREFIX;</span> |
| <span class="source-line-no">099</span><span id="line-99"> this.numberOfRowPrefixes = numberOfRowPrefixes;</span> |
| <span class="source-line-no">100</span><span id="line-100"> this.averagePrefixLength = averagePrefixLength;</span> |
| <span class="source-line-no">101</span><span id="line-101"> this.prefixLengthVariance = prefixLengthVariance;</span> |
| <span class="source-line-no">102</span><span id="line-102"> this.averageSuffixLength = averageSuffixLength;</span> |
| <span class="source-line-no">103</span><span id="line-103"> this.suffixLengthVariance = suffixLengthVariance;</span> |
| <span class="source-line-no">104</span><span id="line-104"> this.numberOfRows = numberOfRows;</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> this.chanceForSameQualifier = chanceForSameQualifier;</span> |
| <span class="source-line-no">107</span><span id="line-107"> this.chanceForSimilarQualifier = chanceForSimiliarQualifier;</span> |
| <span class="source-line-no">108</span><span id="line-108"> this.averageQualifierLength = averageQualifierLength;</span> |
| <span class="source-line-no">109</span><span id="line-109"> this.qualifierLengthVariance = qualifierLengthVariance;</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> this.columnFamilyLength = columnFamilyLength;</span> |
| <span class="source-line-no">112</span><span id="line-112"> this.valueLength = valueLength;</span> |
| <span class="source-line-no">113</span><span id="line-113"> this.chanceForZeroValue = chanceForZeroValue;</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> this.baseTimestampDivide = baseTimestampDivide;</span> |
| <span class="source-line-no">116</span><span id="line-116"> this.timestampDiffSize = timestampDiffSize;</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"></span> |
| <span class="source-line-no">119</span><span id="line-119"> /** Used to generate dataset */</span> |
| <span class="source-line-no">120</span><span id="line-120"> private Random randomizer;</span> |
| <span class="source-line-no">121</span><span id="line-121"></span> |
| <span class="source-line-no">122</span><span id="line-122"> // row settings</span> |
| <span class="source-line-no">123</span><span id="line-123"> private byte[] commonPrefix; // global prefix before rowPrefixes</span> |
| <span class="source-line-no">124</span><span id="line-124"> private int numberOfRowPrefixes;</span> |
| <span class="source-line-no">125</span><span id="line-125"> private int averagePrefixLength;</span> |
| <span class="source-line-no">126</span><span id="line-126"> private int prefixLengthVariance;</span> |
| <span class="source-line-no">127</span><span id="line-127"> private int averageSuffixLength;</span> |
| <span class="source-line-no">128</span><span id="line-128"> private int suffixLengthVariance;</span> |
| <span class="source-line-no">129</span><span id="line-129"> private int numberOfRows;</span> |
| <span class="source-line-no">130</span><span id="line-130"></span> |
| <span class="source-line-no">131</span><span id="line-131"> // family</span> |
| <span class="source-line-no">132</span><span id="line-132"> private byte[] family;</span> |
| <span class="source-line-no">133</span><span id="line-133"></span> |
| <span class="source-line-no">134</span><span id="line-134"> // qualifier</span> |
| <span class="source-line-no">135</span><span id="line-135"> private float chanceForSameQualifier;</span> |
| <span class="source-line-no">136</span><span id="line-136"> private float chanceForSimilarQualifier;</span> |
| <span class="source-line-no">137</span><span id="line-137"> private int averageQualifierLength;</span> |
| <span class="source-line-no">138</span><span id="line-138"> private int qualifierLengthVariance;</span> |
| <span class="source-line-no">139</span><span id="line-139"></span> |
| <span class="source-line-no">140</span><span id="line-140"> private int columnFamilyLength;</span> |
| <span class="source-line-no">141</span><span id="line-141"> private int valueLength;</span> |
| <span class="source-line-no">142</span><span id="line-142"> private float chanceForZeroValue;</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> private int baseTimestampDivide;</span> |
| <span class="source-line-no">145</span><span id="line-145"> private int timestampDiffSize;</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> private List<byte[]> generateRows() {</span> |
| <span class="source-line-no">148</span><span id="line-148"> // generate prefixes</span> |
| <span class="source-line-no">149</span><span id="line-149"> List<byte[]> prefixes = new ArrayList<>();</span> |
| <span class="source-line-no">150</span><span id="line-150"> prefixes.add(new byte[0]);</span> |
| <span class="source-line-no">151</span><span id="line-151"> for (int i = 1; i < numberOfRowPrefixes; ++i) {</span> |
| <span class="source-line-no">152</span><span id="line-152"> int prefixLength = averagePrefixLength;</span> |
| <span class="source-line-no">153</span><span id="line-153"> prefixLength += randomizer.nextInt(2 * prefixLengthVariance + 1) - prefixLengthVariance;</span> |
| <span class="source-line-no">154</span><span id="line-154"> byte[] newPrefix = new byte[prefixLength];</span> |
| <span class="source-line-no">155</span><span id="line-155"> randomizer.nextBytes(newPrefix);</span> |
| <span class="source-line-no">156</span><span id="line-156"> prefixes.add(newPrefix);</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"> // generate rest of the row</span> |
| <span class="source-line-no">160</span><span id="line-160"> List<byte[]> rows = new ArrayList<>();</span> |
| <span class="source-line-no">161</span><span id="line-161"> for (int i = 0; i < numberOfRows; ++i) {</span> |
| <span class="source-line-no">162</span><span id="line-162"> int suffixLength = averageSuffixLength;</span> |
| <span class="source-line-no">163</span><span id="line-163"> suffixLength += randomizer.nextInt(2 * suffixLengthVariance + 1) - suffixLengthVariance;</span> |
| <span class="source-line-no">164</span><span id="line-164"> int randomPrefix = randomizer.nextInt(prefixes.size());</span> |
| <span class="source-line-no">165</span><span id="line-165"> byte[] row = new byte[prefixes.get(randomPrefix).length + suffixLength];</span> |
| <span class="source-line-no">166</span><span id="line-166"> byte[] rowWithCommonPrefix = Bytes.concat(commonPrefix, row);</span> |
| <span class="source-line-no">167</span><span id="line-167"> rows.add(rowWithCommonPrefix);</span> |
| <span class="source-line-no">168</span><span id="line-168"> }</span> |
| <span class="source-line-no">169</span><span id="line-169"></span> |
| <span class="source-line-no">170</span><span id="line-170"> return rows;</span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> /**</span> |
| <span class="source-line-no">174</span><span id="line-174"> * Generate test data useful to test encoders.</span> |
| <span class="source-line-no">175</span><span id="line-175"> * @param howMany How many Key values should be generated.</span> |
| <span class="source-line-no">176</span><span id="line-176"> * @return sorted list of key values</span> |
| <span class="source-line-no">177</span><span id="line-177"> */</span> |
| <span class="source-line-no">178</span><span id="line-178"> public List<KeyValue> generateTestKeyValues(int howMany) {</span> |
| <span class="source-line-no">179</span><span id="line-179"> return generateTestKeyValues(howMany, false);</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"> * Generate test data useful to test encoders.</span> |
| <span class="source-line-no">184</span><span id="line-184"> * @param howMany How many Key values should be generated.</span> |
| <span class="source-line-no">185</span><span id="line-185"> * @return sorted list of key values</span> |
| <span class="source-line-no">186</span><span id="line-186"> */</span> |
| <span class="source-line-no">187</span><span id="line-187"> public List<KeyValue> generateTestKeyValues(int howMany, boolean useTags) {</span> |
| <span class="source-line-no">188</span><span id="line-188"> List<KeyValue> result = new ArrayList<>();</span> |
| <span class="source-line-no">189</span><span id="line-189"></span> |
| <span class="source-line-no">190</span><span id="line-190"> List<byte[]> rows = generateRows();</span> |
| <span class="source-line-no">191</span><span id="line-191"> Map<Integer, List<byte[]>> rowsToQualifier = new HashMap<>();</span> |
| <span class="source-line-no">192</span><span id="line-192"></span> |
| <span class="source-line-no">193</span><span id="line-193"> if (family == null) {</span> |
| <span class="source-line-no">194</span><span id="line-194"> family = new byte[columnFamilyLength];</span> |
| <span class="source-line-no">195</span><span id="line-195"> randomizer.nextBytes(family);</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"></span> |
| <span class="source-line-no">198</span><span id="line-198"> long baseTimestamp = randomizer.nextInt(Integer.MAX_VALUE) / baseTimestampDivide;</span> |
| <span class="source-line-no">199</span><span id="line-199"></span> |
| <span class="source-line-no">200</span><span id="line-200"> byte[] value = new byte[valueLength];</span> |
| <span class="source-line-no">201</span><span id="line-201"></span> |
| <span class="source-line-no">202</span><span id="line-202"> for (int i = 0; i < howMany; ++i) {</span> |
| <span class="source-line-no">203</span><span id="line-203"> long timestamp = baseTimestamp;</span> |
| <span class="source-line-no">204</span><span id="line-204"> if (timestampDiffSize > 0) {</span> |
| <span class="source-line-no">205</span><span id="line-205"> timestamp += randomizer.nextInt(timestampDiffSize);</span> |
| <span class="source-line-no">206</span><span id="line-206"> }</span> |
| <span class="source-line-no">207</span><span id="line-207"> Integer rowId = randomizer.nextInt(rows.size());</span> |
| <span class="source-line-no">208</span><span id="line-208"> byte[] row = rows.get(rowId);</span> |
| <span class="source-line-no">209</span><span id="line-209"></span> |
| <span class="source-line-no">210</span><span id="line-210"> // generate qualifier, sometimes it is same, sometimes similar,</span> |
| <span class="source-line-no">211</span><span id="line-211"> // occasionally completely different</span> |
| <span class="source-line-no">212</span><span id="line-212"> byte[] qualifier;</span> |
| <span class="source-line-no">213</span><span id="line-213"> float qualifierChance = randomizer.nextFloat();</span> |
| <span class="source-line-no">214</span><span id="line-214"> if (</span> |
| <span class="source-line-no">215</span><span id="line-215"> !rowsToQualifier.containsKey(rowId)</span> |
| <span class="source-line-no">216</span><span id="line-216"> || qualifierChance > chanceForSameQualifier + chanceForSimilarQualifier</span> |
| <span class="source-line-no">217</span><span id="line-217"> ) {</span> |
| <span class="source-line-no">218</span><span id="line-218"> int qualifierLength = averageQualifierLength;</span> |
| <span class="source-line-no">219</span><span id="line-219"> qualifierLength +=</span> |
| <span class="source-line-no">220</span><span id="line-220"> randomizer.nextInt(2 * qualifierLengthVariance + 1) - qualifierLengthVariance;</span> |
| <span class="source-line-no">221</span><span id="line-221"> qualifier = new byte[qualifierLength];</span> |
| <span class="source-line-no">222</span><span id="line-222"> randomizer.nextBytes(qualifier);</span> |
| <span class="source-line-no">223</span><span id="line-223"></span> |
| <span class="source-line-no">224</span><span id="line-224"> // add it to map</span> |
| <span class="source-line-no">225</span><span id="line-225"> if (!rowsToQualifier.containsKey(rowId)) {</span> |
| <span class="source-line-no">226</span><span id="line-226"> rowsToQualifier.put(rowId, new ArrayList<>());</span> |
| <span class="source-line-no">227</span><span id="line-227"> }</span> |
| <span class="source-line-no">228</span><span id="line-228"> rowsToQualifier.get(rowId).add(qualifier);</span> |
| <span class="source-line-no">229</span><span id="line-229"> } else if (qualifierChance > chanceForSameQualifier) {</span> |
| <span class="source-line-no">230</span><span id="line-230"> // similar qualifier</span> |
| <span class="source-line-no">231</span><span id="line-231"> List<byte[]> previousQualifiers = rowsToQualifier.get(rowId);</span> |
| <span class="source-line-no">232</span><span id="line-232"> byte[] originalQualifier =</span> |
| <span class="source-line-no">233</span><span id="line-233"> previousQualifiers.get(randomizer.nextInt(previousQualifiers.size()));</span> |
| <span class="source-line-no">234</span><span id="line-234"></span> |
| <span class="source-line-no">235</span><span id="line-235"> qualifier = new byte[originalQualifier.length];</span> |
| <span class="source-line-no">236</span><span id="line-236"> int commonPrefix = randomizer.nextInt(qualifier.length);</span> |
| <span class="source-line-no">237</span><span id="line-237"> System.arraycopy(originalQualifier, 0, qualifier, 0, commonPrefix);</span> |
| <span class="source-line-no">238</span><span id="line-238"> for (int j = commonPrefix; j < qualifier.length; ++j) {</span> |
| <span class="source-line-no">239</span><span id="line-239"> qualifier[j] = (byte) (randomizer.nextInt() & 0xff);</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> rowsToQualifier.get(rowId).add(qualifier);</span> |
| <span class="source-line-no">243</span><span id="line-243"> } else {</span> |
| <span class="source-line-no">244</span><span id="line-244"> // same qualifier</span> |
| <span class="source-line-no">245</span><span id="line-245"> List<byte[]> previousQualifiers = rowsToQualifier.get(rowId);</span> |
| <span class="source-line-no">246</span><span id="line-246"> qualifier = previousQualifiers.get(randomizer.nextInt(previousQualifiers.size()));</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</span> |
| <span class="source-line-no">248</span><span id="line-248"></span> |
| <span class="source-line-no">249</span><span id="line-249"> if (randomizer.nextFloat() < chanceForZeroValue) {</span> |
| <span class="source-line-no">250</span><span id="line-250"> Arrays.fill(value, (byte) 0);</span> |
| <span class="source-line-no">251</span><span id="line-251"> } else {</span> |
| <span class="source-line-no">252</span><span id="line-252"> randomizer.nextBytes(value);</span> |
| <span class="source-line-no">253</span><span id="line-253"> }</span> |
| <span class="source-line-no">254</span><span id="line-254"></span> |
| <span class="source-line-no">255</span><span id="line-255"> if (useTags) {</span> |
| <span class="source-line-no">256</span><span id="line-256"> result.add(new KeyValue(row, family, qualifier, timestamp, value,</span> |
| <span class="source-line-no">257</span><span id="line-257"> new Tag[] { new ArrayBackedTag((byte) 1, "value1") }));</span> |
| <span class="source-line-no">258</span><span id="line-258"> } else {</span> |
| <span class="source-line-no">259</span><span id="line-259"> result.add(new KeyValue(row, family, qualifier, timestamp, value));</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"> }</span> |
| <span class="source-line-no">262</span><span id="line-262"></span> |
| <span class="source-line-no">263</span><span id="line-263"> result.sort(CellComparator.getInstance());</span> |
| <span class="source-line-no">264</span><span id="line-264"></span> |
| <span class="source-line-no">265</span><span id="line-265"> return result;</span> |
| <span class="source-line-no">266</span><span id="line-266"> }</span> |
| <span class="source-line-no">267</span><span id="line-267"></span> |
| <span class="source-line-no">268</span><span id="line-268"> /**</span> |
| <span class="source-line-no">269</span><span id="line-269"> * Generate test data useful to test encoders.</span> |
| <span class="source-line-no">270</span><span id="line-270"> * @param howMany How many Key values should be generated.</span> |
| <span class="source-line-no">271</span><span id="line-271"> * @return sorted list of key values</span> |
| <span class="source-line-no">272</span><span id="line-272"> */</span> |
| <span class="source-line-no">273</span><span id="line-273"> public List<ExtendedCell> generateTestExtendedOffheapKeyValues(int howMany, boolean useTags) {</span> |
| <span class="source-line-no">274</span><span id="line-274"> List<ExtendedCell> result = new ArrayList<>();</span> |
| <span class="source-line-no">275</span><span id="line-275"> List<byte[]> rows = generateRows();</span> |
| <span class="source-line-no">276</span><span id="line-276"> Map<Integer, List<byte[]>> rowsToQualifier = new HashMap<>();</span> |
| <span class="source-line-no">277</span><span id="line-277"></span> |
| <span class="source-line-no">278</span><span id="line-278"> if (family == null) {</span> |
| <span class="source-line-no">279</span><span id="line-279"> family = new byte[columnFamilyLength];</span> |
| <span class="source-line-no">280</span><span id="line-280"> randomizer.nextBytes(family);</span> |
| <span class="source-line-no">281</span><span id="line-281"> }</span> |
| <span class="source-line-no">282</span><span id="line-282"></span> |
| <span class="source-line-no">283</span><span id="line-283"> long baseTimestamp = randomizer.nextInt(Integer.MAX_VALUE) / baseTimestampDivide;</span> |
| <span class="source-line-no">284</span><span id="line-284"></span> |
| <span class="source-line-no">285</span><span id="line-285"> byte[] value = new byte[valueLength];</span> |
| <span class="source-line-no">286</span><span id="line-286"></span> |
| <span class="source-line-no">287</span><span id="line-287"> for (int i = 0; i < howMany; ++i) {</span> |
| <span class="source-line-no">288</span><span id="line-288"> long timestamp = baseTimestamp;</span> |
| <span class="source-line-no">289</span><span id="line-289"> if (timestampDiffSize > 0) {</span> |
| <span class="source-line-no">290</span><span id="line-290"> timestamp += randomizer.nextInt(timestampDiffSize);</span> |
| <span class="source-line-no">291</span><span id="line-291"> }</span> |
| <span class="source-line-no">292</span><span id="line-292"> Integer rowId = randomizer.nextInt(rows.size());</span> |
| <span class="source-line-no">293</span><span id="line-293"> byte[] row = rows.get(rowId);</span> |
| <span class="source-line-no">294</span><span id="line-294"></span> |
| <span class="source-line-no">295</span><span id="line-295"> // generate qualifier, sometimes it is same, sometimes similar,</span> |
| <span class="source-line-no">296</span><span id="line-296"> // occasionally completely different</span> |
| <span class="source-line-no">297</span><span id="line-297"> byte[] qualifier;</span> |
| <span class="source-line-no">298</span><span id="line-298"> float qualifierChance = randomizer.nextFloat();</span> |
| <span class="source-line-no">299</span><span id="line-299"> if (</span> |
| <span class="source-line-no">300</span><span id="line-300"> !rowsToQualifier.containsKey(rowId)</span> |
| <span class="source-line-no">301</span><span id="line-301"> || qualifierChance > chanceForSameQualifier + chanceForSimilarQualifier</span> |
| <span class="source-line-no">302</span><span id="line-302"> ) {</span> |
| <span class="source-line-no">303</span><span id="line-303"> int qualifierLength = averageQualifierLength;</span> |
| <span class="source-line-no">304</span><span id="line-304"> qualifierLength +=</span> |
| <span class="source-line-no">305</span><span id="line-305"> randomizer.nextInt(2 * qualifierLengthVariance + 1) - qualifierLengthVariance;</span> |
| <span class="source-line-no">306</span><span id="line-306"> qualifier = new byte[qualifierLength];</span> |
| <span class="source-line-no">307</span><span id="line-307"> randomizer.nextBytes(qualifier);</span> |
| <span class="source-line-no">308</span><span id="line-308"></span> |
| <span class="source-line-no">309</span><span id="line-309"> // add it to map</span> |
| <span class="source-line-no">310</span><span id="line-310"> if (!rowsToQualifier.containsKey(rowId)) {</span> |
| <span class="source-line-no">311</span><span id="line-311"> rowsToQualifier.put(rowId, new ArrayList<>());</span> |
| <span class="source-line-no">312</span><span id="line-312"> }</span> |
| <span class="source-line-no">313</span><span id="line-313"> rowsToQualifier.get(rowId).add(qualifier);</span> |
| <span class="source-line-no">314</span><span id="line-314"> } else if (qualifierChance > chanceForSameQualifier) {</span> |
| <span class="source-line-no">315</span><span id="line-315"> // similar qualifier</span> |
| <span class="source-line-no">316</span><span id="line-316"> List<byte[]> previousQualifiers = rowsToQualifier.get(rowId);</span> |
| <span class="source-line-no">317</span><span id="line-317"> byte[] originalQualifier =</span> |
| <span class="source-line-no">318</span><span id="line-318"> previousQualifiers.get(randomizer.nextInt(previousQualifiers.size()));</span> |
| <span class="source-line-no">319</span><span id="line-319"></span> |
| <span class="source-line-no">320</span><span id="line-320"> qualifier = new byte[originalQualifier.length];</span> |
| <span class="source-line-no">321</span><span id="line-321"> int commonPrefix = randomizer.nextInt(qualifier.length);</span> |
| <span class="source-line-no">322</span><span id="line-322"> System.arraycopy(originalQualifier, 0, qualifier, 0, commonPrefix);</span> |
| <span class="source-line-no">323</span><span id="line-323"> for (int j = commonPrefix; j < qualifier.length; ++j) {</span> |
| <span class="source-line-no">324</span><span id="line-324"> qualifier[j] = (byte) (randomizer.nextInt() & 0xff);</span> |
| <span class="source-line-no">325</span><span id="line-325"> }</span> |
| <span class="source-line-no">326</span><span id="line-326"></span> |
| <span class="source-line-no">327</span><span id="line-327"> rowsToQualifier.get(rowId).add(qualifier);</span> |
| <span class="source-line-no">328</span><span id="line-328"> } else {</span> |
| <span class="source-line-no">329</span><span id="line-329"> // same qualifier</span> |
| <span class="source-line-no">330</span><span id="line-330"> List<byte[]> previousQualifiers = rowsToQualifier.get(rowId);</span> |
| <span class="source-line-no">331</span><span id="line-331"> qualifier = previousQualifiers.get(randomizer.nextInt(previousQualifiers.size()));</span> |
| <span class="source-line-no">332</span><span id="line-332"> }</span> |
| <span class="source-line-no">333</span><span id="line-333"></span> |
| <span class="source-line-no">334</span><span id="line-334"> if (randomizer.nextFloat() < chanceForZeroValue) {</span> |
| <span class="source-line-no">335</span><span id="line-335"> Arrays.fill(value, (byte) 0);</span> |
| <span class="source-line-no">336</span><span id="line-336"> } else {</span> |
| <span class="source-line-no">337</span><span id="line-337"> randomizer.nextBytes(value);</span> |
| <span class="source-line-no">338</span><span id="line-338"> }</span> |
| <span class="source-line-no">339</span><span id="line-339"> if (useTags) {</span> |
| <span class="source-line-no">340</span><span id="line-340"> KeyValue keyValue = new KeyValue(row, family, qualifier, timestamp, value,</span> |
| <span class="source-line-no">341</span><span id="line-341"> new Tag[] { new ArrayBackedTag((byte) 1, "value1") });</span> |
| <span class="source-line-no">342</span><span id="line-342"> ByteBuffer offheapKVBB = ByteBuffer.allocateDirect(keyValue.getLength());</span> |
| <span class="source-line-no">343</span><span id="line-343"> ByteBufferUtils.copyFromArrayToBuffer(offheapKVBB, keyValue.getBuffer(),</span> |
| <span class="source-line-no">344</span><span id="line-344"> keyValue.getOffset(), keyValue.getLength());</span> |
| <span class="source-line-no">345</span><span id="line-345"> ByteBufferKeyValue offheapKV =</span> |
| <span class="source-line-no">346</span><span id="line-346"> new ExtendedOffheapKeyValue(offheapKVBB, 0, keyValue.getLength(), 0);</span> |
| <span class="source-line-no">347</span><span id="line-347"> result.add(offheapKV);</span> |
| <span class="source-line-no">348</span><span id="line-348"> } else {</span> |
| <span class="source-line-no">349</span><span id="line-349"> KeyValue keyValue = new KeyValue(row, family, qualifier, timestamp, value);</span> |
| <span class="source-line-no">350</span><span id="line-350"> ByteBuffer offheapKVBB = ByteBuffer.allocateDirect(keyValue.getLength());</span> |
| <span class="source-line-no">351</span><span id="line-351"> ByteBufferUtils.copyFromArrayToBuffer(offheapKVBB, keyValue.getBuffer(),</span> |
| <span class="source-line-no">352</span><span id="line-352"> keyValue.getOffset(), keyValue.getLength());</span> |
| <span class="source-line-no">353</span><span id="line-353"> ByteBufferKeyValue offheapKV =</span> |
| <span class="source-line-no">354</span><span id="line-354"> new ExtendedOffheapKeyValue(offheapKVBB, 0, keyValue.getLength(), 0);</span> |
| <span class="source-line-no">355</span><span id="line-355"> result.add(offheapKV);</span> |
| <span class="source-line-no">356</span><span id="line-356"> }</span> |
| <span class="source-line-no">357</span><span id="line-357"> }</span> |
| <span class="source-line-no">358</span><span id="line-358"></span> |
| <span class="source-line-no">359</span><span id="line-359"> result.sort(CellComparator.getInstance());</span> |
| <span class="source-line-no">360</span><span id="line-360"></span> |
| <span class="source-line-no">361</span><span id="line-361"> return result;</span> |
| <span class="source-line-no">362</span><span id="line-362"> }</span> |
| <span class="source-line-no">363</span><span id="line-363"></span> |
| <span class="source-line-no">364</span><span id="line-364"> static class ExtendedOffheapKeyValue extends ByteBufferKeyValue {</span> |
| <span class="source-line-no">365</span><span id="line-365"> public ExtendedOffheapKeyValue(ByteBuffer buf, int offset, int length, long seqId) {</span> |
| <span class="source-line-no">366</span><span id="line-366"> super(buf, offset, length, seqId);</span> |
| <span class="source-line-no">367</span><span id="line-367"> }</span> |
| <span class="source-line-no">368</span><span id="line-368"></span> |
| <span class="source-line-no">369</span><span id="line-369"> @Override</span> |
| <span class="source-line-no">370</span><span id="line-370"> public byte[] getRowArray() {</span> |
| <span class="source-line-no">371</span><span id="line-371"> throw new IllegalArgumentException("getRowArray operation is not allowed");</span> |
| <span class="source-line-no">372</span><span id="line-372"> }</span> |
| <span class="source-line-no">373</span><span id="line-373"></span> |
| <span class="source-line-no">374</span><span id="line-374"> @Override</span> |
| <span class="source-line-no">375</span><span id="line-375"> public int getRowOffset() {</span> |
| <span class="source-line-no">376</span><span id="line-376"> throw new IllegalArgumentException("getRowOffset operation is not allowed");</span> |
| <span class="source-line-no">377</span><span id="line-377"> }</span> |
| <span class="source-line-no">378</span><span id="line-378"></span> |
| <span class="source-line-no">379</span><span id="line-379"> @Override</span> |
| <span class="source-line-no">380</span><span id="line-380"> public byte[] getFamilyArray() {</span> |
| <span class="source-line-no">381</span><span id="line-381"> throw new IllegalArgumentException("getFamilyArray operation is not allowed");</span> |
| <span class="source-line-no">382</span><span id="line-382"> }</span> |
| <span class="source-line-no">383</span><span id="line-383"></span> |
| <span class="source-line-no">384</span><span id="line-384"> @Override</span> |
| <span class="source-line-no">385</span><span id="line-385"> public int getFamilyOffset() {</span> |
| <span class="source-line-no">386</span><span id="line-386"> throw new IllegalArgumentException("getFamilyOffset operation is not allowed");</span> |
| <span class="source-line-no">387</span><span id="line-387"> }</span> |
| <span class="source-line-no">388</span><span id="line-388"></span> |
| <span class="source-line-no">389</span><span id="line-389"> @Override</span> |
| <span class="source-line-no">390</span><span id="line-390"> public byte[] getQualifierArray() {</span> |
| <span class="source-line-no">391</span><span id="line-391"> throw new IllegalArgumentException("getQualifierArray operation is not allowed");</span> |
| <span class="source-line-no">392</span><span id="line-392"> }</span> |
| <span class="source-line-no">393</span><span id="line-393"></span> |
| <span class="source-line-no">394</span><span id="line-394"> @Override</span> |
| <span class="source-line-no">395</span><span id="line-395"> public int getQualifierOffset() {</span> |
| <span class="source-line-no">396</span><span id="line-396"> throw new IllegalArgumentException("getQualifierOffset operation is not allowed");</span> |
| <span class="source-line-no">397</span><span id="line-397"> }</span> |
| <span class="source-line-no">398</span><span id="line-398"></span> |
| <span class="source-line-no">399</span><span id="line-399"> @Override</span> |
| <span class="source-line-no">400</span><span id="line-400"> public byte[] getValueArray() {</span> |
| <span class="source-line-no">401</span><span id="line-401"> throw new IllegalArgumentException("getValueArray operation is not allowed");</span> |
| <span class="source-line-no">402</span><span id="line-402"> }</span> |
| <span class="source-line-no">403</span><span id="line-403"></span> |
| <span class="source-line-no">404</span><span id="line-404"> @Override</span> |
| <span class="source-line-no">405</span><span id="line-405"> public int getValueOffset() {</span> |
| <span class="source-line-no">406</span><span id="line-406"> throw new IllegalArgumentException("getValueOffset operation is not allowed");</span> |
| <span class="source-line-no">407</span><span id="line-407"> }</span> |
| <span class="source-line-no">408</span><span id="line-408"></span> |
| <span class="source-line-no">409</span><span id="line-409"> @Override</span> |
| <span class="source-line-no">410</span><span id="line-410"> public byte[] getTagsArray() {</span> |
| <span class="source-line-no">411</span><span id="line-411"> throw new IllegalArgumentException("getTagsArray operation is not allowed");</span> |
| <span class="source-line-no">412</span><span id="line-412"> }</span> |
| <span class="source-line-no">413</span><span id="line-413"></span> |
| <span class="source-line-no">414</span><span id="line-414"> @Override</span> |
| <span class="source-line-no">415</span><span id="line-415"> public int getTagsOffset() {</span> |
| <span class="source-line-no">416</span><span id="line-416"> throw new IllegalArgumentException("getTagsOffset operation is not allowed");</span> |
| <span class="source-line-no">417</span><span id="line-417"> }</span> |
| <span class="source-line-no">418</span><span id="line-418"> }</span> |
| <span class="source-line-no">419</span><span id="line-419"></span> |
| <span class="source-line-no">420</span><span id="line-420"> /**</span> |
| <span class="source-line-no">421</span><span id="line-421"> * Convert list of KeyValues to byte buffer.</span> |
| <span class="source-line-no">422</span><span id="line-422"> * @param keyValues list of KeyValues to be converted.</span> |
| <span class="source-line-no">423</span><span id="line-423"> * @return buffer with content from key values</span> |
| <span class="source-line-no">424</span><span id="line-424"> */</span> |
| <span class="source-line-no">425</span><span id="line-425"> public static ByteBuffer convertKvToByteBuffer(List<KeyValue> keyValues,</span> |
| <span class="source-line-no">426</span><span id="line-426"> boolean includesMemstoreTS) {</span> |
| <span class="source-line-no">427</span><span id="line-427"> int totalSize = 0;</span> |
| <span class="source-line-no">428</span><span id="line-428"> for (KeyValue kv : keyValues) {</span> |
| <span class="source-line-no">429</span><span id="line-429"> totalSize += kv.getLength();</span> |
| <span class="source-line-no">430</span><span id="line-430"> if (includesMemstoreTS) {</span> |
| <span class="source-line-no">431</span><span id="line-431"> totalSize += WritableUtils.getVIntSize(kv.getSequenceId());</span> |
| <span class="source-line-no">432</span><span id="line-432"> }</span> |
| <span class="source-line-no">433</span><span id="line-433"> }</span> |
| <span class="source-line-no">434</span><span id="line-434"></span> |
| <span class="source-line-no">435</span><span id="line-435"> ByteBuffer result = ByteBuffer.allocate(totalSize);</span> |
| <span class="source-line-no">436</span><span id="line-436"> for (KeyValue kv : keyValues) {</span> |
| <span class="source-line-no">437</span><span id="line-437"> result.put(kv.getBuffer(), kv.getOffset(), kv.getLength());</span> |
| <span class="source-line-no">438</span><span id="line-438"> if (includesMemstoreTS) {</span> |
| <span class="source-line-no">439</span><span id="line-439"> ByteBufferUtils.writeVLong(result, kv.getSequenceId());</span> |
| <span class="source-line-no">440</span><span id="line-440"> }</span> |
| <span class="source-line-no">441</span><span id="line-441"> }</span> |
| <span class="source-line-no">442</span><span id="line-442"> return result;</span> |
| <span class="source-line-no">443</span><span id="line-443"> }</span> |
| <span class="source-line-no">444</span><span id="line-444"></span> |
| <span class="source-line-no">445</span><span id="line-445"> public RedundantKVGenerator setFamily(byte[] family) {</span> |
| <span class="source-line-no">446</span><span id="line-446"> this.family = family;</span> |
| <span class="source-line-no">447</span><span id="line-447"> this.columnFamilyLength = family.length;</span> |
| <span class="source-line-no">448</span><span id="line-448"> return this;</span> |
| <span class="source-line-no">449</span><span id="line-449"> }</span> |
| <span class="source-line-no">450</span><span id="line-450">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
