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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.regionserver;<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.Arrays;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Random;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileSystem;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.fs.Path;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HConstants;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.io.compress.Compression;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.io.hfile.CacheConfig;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.io.hfile.HFileBlockIndex;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.io.hfile.HFileContext;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.BloomFilterFactory;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.BloomFilterUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.io.BytesWritable;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.slf4j.Logger;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.slf4j.LoggerFactory;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLineParser;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.HelpFormatter;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.Options;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.ParseException;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.PosixParser;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span>/**<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * Creates an HFile with random key/value pairs.<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>public class CreateRandomStoreFile {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> /**<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * As much as this number of bytes can be added or subtracted from key/value lengths.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private static final int LEN_VARIATION = 5;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private static final Logger LOG = LoggerFactory.getLogger(CreateRandomStoreFile.class);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private static final String OUTPUT_DIR_OPTION = "o";<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private static final String NUM_KV_OPTION = "n";<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private static final String HFILE_VERSION_OPTION = "h";<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private static final String KEY_SIZE_OPTION = "k";<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private static final String VALUE_SIZE_OPTION = "v";<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private static final String COMPRESSION_OPTION = "c";<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static final String BLOOM_FILTER_OPTION = "bf";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static final String BLOOM_FILTER_PARAM_OPTION = "bfp";<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private static final String BLOCK_SIZE_OPTION = "bs";<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static final String BLOOM_BLOCK_SIZE_OPTION = "bfbs";<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private static final String INDEX_BLOCK_SIZE_OPTION = "ibs";<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> /** The exit code this command-line tool returns on failure */<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static final int EXIT_FAILURE = 1;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> /** The number of valid key types in a store file */<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private static final int NUM_VALID_KEY_TYPES = KeyValue.Type.values().length - 2;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private Options options = new Options();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private int keyPrefixLen, keyLen, rowLen, cfLen, valueLen;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> /**<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> * Runs the tools.<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * @param args command-line arguments<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * @return true in case of success<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> */<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public boolean run(String[] args) throws IOException {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> options.addOption(OUTPUT_DIR_OPTION, "output_dir", true, "Output directory");<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> options.addOption(NUM_KV_OPTION, "num_kv", true, "Number of key/value pairs");<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> options.addOption(KEY_SIZE_OPTION, "key_size", true, "Average key size");<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> options.addOption(VALUE_SIZE_OPTION, "value_size", true, "Average value size");<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> options.addOption(HFILE_VERSION_OPTION, "hfile_version", true, "HFile version to create");<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> options.addOption(COMPRESSION_OPTION, "compression", true,<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> " Compression type, one of " + Arrays.toString(Compression.Algorithm.values()));<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> options.addOption(BLOOM_FILTER_OPTION, "bloom_filter", true,<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> "Bloom filter type, one of " + Arrays.toString(BloomType.values()));<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> options.addOption(BLOOM_FILTER_PARAM_OPTION, "bloom_param", true,<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> "the parameter of the bloom filter");<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> options.addOption(BLOCK_SIZE_OPTION, "block_size", true, "HFile block size");<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> options.addOption(BLOOM_BLOCK_SIZE_OPTION, "bloom_block_size", true,<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> "Compound Bloom filters block size");<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> options.addOption(INDEX_BLOCK_SIZE_OPTION, "index_block_size", true, "Index block size");<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> if (args.length == 0) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> HelpFormatter formatter = new HelpFormatter();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> formatter.printHelp(CreateRandomStoreFile.class.getSimpleName(), options, true);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> return false;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> CommandLineParser parser = new PosixParser();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> CommandLine cmdLine;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> try {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> cmdLine = parser.parse(options, args);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> } catch (ParseException ex) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> LOG.error(ex.toString(), ex);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> return false;<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> if (!cmdLine.hasOption(OUTPUT_DIR_OPTION)) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> LOG.error("Output directory is not specified");<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> return false;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> if (!cmdLine.hasOption(NUM_KV_OPTION)) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> LOG.error("The number of keys/values not specified");<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> return false;<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> if (!cmdLine.hasOption(KEY_SIZE_OPTION)) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> LOG.error("Key size is not specified");<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return false;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> if (!cmdLine.hasOption(VALUE_SIZE_OPTION)) {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> LOG.error("Value size not specified");<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> return false;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> Configuration conf = HBaseConfiguration.create();<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Path outputDir = new Path(cmdLine.getOptionValue(OUTPUT_DIR_OPTION));<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> long numKV = Long.parseLong(cmdLine.getOptionValue(NUM_KV_OPTION));<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> configureKeyValue(numKV, Integer.parseInt(cmdLine.getOptionValue(KEY_SIZE_OPTION)),<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> Integer.parseInt(cmdLine.getOptionValue(VALUE_SIZE_OPTION)));<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> FileSystem fs = FileSystem.get(conf);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> Compression.Algorithm compr = Compression.Algorithm.NONE;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if (cmdLine.hasOption(COMPRESSION_OPTION)) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> compr = Compression.Algorithm.valueOf(cmdLine.getOptionValue(COMPRESSION_OPTION));<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> BloomType bloomType = BloomType.NONE;<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if (cmdLine.hasOption(BLOOM_FILTER_OPTION)) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> bloomType = BloomType.valueOf(cmdLine.getOptionValue(BLOOM_FILTER_OPTION));<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> if (bloomType == BloomType.ROWPREFIX_FIXED_LENGTH) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> if (!cmdLine.hasOption(BLOOM_FILTER_PARAM_OPTION)) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> LOG.error("the parameter of bloom filter is not specified");<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> return false;<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> } else {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> conf.set(BloomFilterUtil.PREFIX_LENGTH_KEY,<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> cmdLine.getOptionValue(BLOOM_FILTER_PARAM_OPTION));<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> int blockSize = HConstants.DEFAULT_BLOCKSIZE;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> if (cmdLine.hasOption(BLOCK_SIZE_OPTION))<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> blockSize = Integer.valueOf(cmdLine.getOptionValue(BLOCK_SIZE_OPTION));<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> if (cmdLine.hasOption(BLOOM_BLOCK_SIZE_OPTION)) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> conf.setInt(BloomFilterFactory.IO_STOREFILE_BLOOM_BLOCK_SIZE,<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> Integer.valueOf(cmdLine.getOptionValue(BLOOM_BLOCK_SIZE_OPTION)));<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> if (cmdLine.hasOption(INDEX_BLOCK_SIZE_OPTION)) {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> conf.setInt(HFileBlockIndex.MAX_CHUNK_SIZE_KEY,<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> Integer.valueOf(cmdLine.getOptionValue(INDEX_BLOCK_SIZE_OPTION)));<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> HFileContext meta =<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> new HFileContextBuilder().withCompression(compr).withBlockSize(blockSize).build();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> StoreFileWriter sfw =<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> new StoreFileWriter.Builder(conf, new CacheConfig(conf), fs).withOutputDir(outputDir)<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> .withBloomType(bloomType).withMaxKeyCount(numKV).withFileContext(meta).build();<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> LOG.info("Writing " + numKV + " key/value pairs");<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> for (long i = 0; i < numKV; ++i) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> sfw.append(generateKeyValue(i));<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> }<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> int numMetaBlocks = ThreadLocalRandom.current().nextInt(10) + 1;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> LOG.info("Writing " + numMetaBlocks + " meta blocks");<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> for (int metaI = 0; metaI < numMetaBlocks; ++metaI) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> sfw.getLiveFileWriter().appendMetaBlock(generateString(), new BytesWritable(generateValue()));<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> sfw.close();<a name="line.198"></a> |
| <span class="sourceLineNo">199</span><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> Path storeFilePath = sfw.getPath();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> long fileSize = fs.getFileStatus(storeFilePath).getLen();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> LOG.info("Created {}, {} bytes, compression={}", storeFilePath, fileSize, compr.toString());<a name="line.202"></a> |
| <span class="sourceLineNo">203</span><a name="line.203"></a> |
| <span class="sourceLineNo">204</span> return true;<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> private void configureKeyValue(long numKV, int keyLen, int valueLen) {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> numKV = Math.abs(numKV);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> keyLen = Math.abs(keyLen);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> keyPrefixLen = 0;<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> while (numKV != 0) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> numKV >>>= 8;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> ++keyPrefixLen;<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> }<a name="line.214"></a> |
| <span class="sourceLineNo">215</span><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> this.keyLen = Math.max(keyPrefixLen, keyLen);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> this.valueLen = valueLen;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // Arbitrarily split the key into row, column family, and qualifier.<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> rowLen = keyPrefixLen / 3;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> cfLen = keyPrefixLen / 4;<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> private int nextInRange(int range) {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> return ThreadLocalRandom.current().nextInt(2 * range + 1) - range;<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> }<a name="line.226"></a> |
| <span class="sourceLineNo">227</span><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> public KeyValue generateKeyValue(long i) {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> byte[] k = generateKey(i);<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> byte[] v = generateValue();<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> Random rand = ThreadLocalRandom.current();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return new KeyValue(k, 0, rowLen, k, rowLen, cfLen, k, rowLen + cfLen,<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> k.length - rowLen - cfLen, rand.nextLong(), generateKeyType(rand), v, 0, v.length);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> public static KeyValue.Type generateKeyType(Random rand) {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> if (rand.nextBoolean()) {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> // Let's make half of KVs puts.<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return KeyValue.Type.Put;<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> } else {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> KeyValue.Type keyType = KeyValue.Type.values()[1 + rand.nextInt(NUM_VALID_KEY_TYPES)];<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> if (keyType == KeyValue.Type.Minimum || keyType == KeyValue.Type.Maximum) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> throw new RuntimeException("Generated an invalid key type: " + keyType + ". "<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> + "Probably the layout of KeyValue.Type has changed.");<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> return keyType;<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span><a name="line.249"></a> |
| <span class="sourceLineNo">250</span> private String generateString() {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> Random rand = ThreadLocalRandom.current();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> StringBuilder sb = new StringBuilder();<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> for (int i = 0; i < rand.nextInt(10); ++i) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> sb.append((char) ('A' + rand.nextInt(26)));<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> return sb.toString();<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span><a name="line.258"></a> |
| <span class="sourceLineNo">259</span> private byte[] generateKey(long i) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> Random rand = ThreadLocalRandom.current();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> byte[] k = new byte[Math.max(keyPrefixLen, keyLen + nextInRange(LEN_VARIATION))];<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> for (int pos = keyPrefixLen - 1; pos >= 0; --pos) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> k[pos] = (byte) (i & 0xFF);<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> i >>>= 8;<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> for (int pos = keyPrefixLen; pos < k.length; ++pos) {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> k[pos] = (byte) rand.nextInt(256);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> return k;<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> }<a name="line.270"></a> |
| <span class="sourceLineNo">271</span><a name="line.271"></a> |
| <span class="sourceLineNo">272</span> private byte[] generateValue() {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> Random rand = ThreadLocalRandom.current();<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> byte[] v = new byte[Math.max(1, valueLen + nextInRange(LEN_VARIATION))];<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> for (int i = 0; i < v.length; ++i) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> v[i] = (byte) rand.nextInt(256);<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> return v;<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> public static void main(String[] args) {<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> CreateRandomStoreFile app = new CreateRandomStoreFile();<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> try {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> if (!app.run(args)) System.exit(EXIT_FAILURE);<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> } catch (IOException ex) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> LOG.error(ex.toString(), ex);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> System.exit(EXIT_FAILURE);<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span><a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span><a name="line.291"></a> |
| <span class="sourceLineNo">292</span>}<a name="line.292"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
