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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 or more<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with this<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * work for additional information regarding copyright ownership. The ASF<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * licenses this file to you under the Apache License, Version 2.0 (the<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * "License"); you may not use this file except in compliance with the License.<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * You may obtain a copy of the License at<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> *<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * License for the specific language governing permissions and limitations<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * under the License.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> */<a name="line.16"></a> |
| <span class="sourceLineNo">017</span>package org.apache.hadoop.hbase.util;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.io.IOException;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.Arrays;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.HashSet;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Set;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.commons.lang3.RandomUtils;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.conf.Configuration;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.TableName;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.Consistency;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Get;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.Result;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Table;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.test.LoadTestDataGenerator;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.slf4j.Logger;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.slf4j.LoggerFactory;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span>/** Creates multiple threads that read and verify previously written data */<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>public class MultiThreadedReader extends MultiThreadedAction<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>{<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> private static final Logger LOG = LoggerFactory.getLogger(MultiThreadedReader.class);<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> protected Set<HBaseReaderThread> readers = new HashSet<>();<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> private final double verifyPercent;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> protected volatile boolean aborted;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> protected MultiThreadedWriterBase writer = null;<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> * The number of keys verified in a sequence. This will never be larger than<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * the total number of keys in the range. The reader might also verify<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * random keys when it catches up with the writer.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> */<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private final AtomicLong numUniqueKeysVerified = new AtomicLong();<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> /**<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * Default maximum number of read errors to tolerate before shutting down all<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * readers.<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public static final int DEFAULT_MAX_ERRORS = 10;<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> * Default "window" size between the last key written by the writer and the<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * key that we attempt to read. The lower this number, the stricter our<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * testing is. If this is zero, we always attempt to read the highest key<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * in the contiguous sequence of keys written by the writers.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> */<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final int DEFAULT_KEY_WINDOW = 0;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> /**<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * Default batch size for multigets<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> */<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> public static final int DEFAULT_BATCH_SIZE = 1; //translates to simple GET (no multi GET)<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> protected AtomicLong numKeysVerified = new AtomicLong(0);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> protected AtomicLong numReadErrors = new AtomicLong(0);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> protected AtomicLong numReadFailures = new AtomicLong(0);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> protected AtomicLong nullResult = new AtomicLong(0);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private int maxErrors = DEFAULT_MAX_ERRORS;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private int keyWindow = DEFAULT_KEY_WINDOW;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private int batchSize = DEFAULT_BATCH_SIZE;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private int regionReplicaId = -1; // particular region replica id to do reads against if set<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> public MultiThreadedReader(LoadTestDataGenerator dataGen, Configuration conf,<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> TableName tableName, double verifyPercent) throws IOException {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> super(dataGen, conf, tableName, "R");<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> this.verifyPercent = verifyPercent;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> public void linkToWriter(MultiThreadedWriterBase writer) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> this.writer = writer;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> writer.setTrackWroteKeys(true);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public void setMaxErrors(int maxErrors) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> this.maxErrors = maxErrors;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> public void setKeyWindow(int keyWindow) {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> this.keyWindow = keyWindow;<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> public void setMultiGetBatchSize(int batchSize) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> this.batchSize = batchSize;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> public void setRegionReplicaId(int regionReplicaId) {<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> this.regionReplicaId = regionReplicaId;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> }<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> @Override<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> public void start(long startKey, long endKey, int numThreads) throws IOException {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> super.start(startKey, endKey, numThreads);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> if (verbose) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> LOG.debug("Reading keys [" + startKey + ", " + endKey + ")");<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span><a name="line.116"></a> |
| <span class="sourceLineNo">117</span> addReaderThreads(numThreads);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> startThreads(readers);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> protected void addReaderThreads(int numThreads) throws IOException {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> for (int i = 0; i < numThreads; ++i) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> HBaseReaderThread reader = createReaderThread(i);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> readers.add(reader);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<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> protected HBaseReaderThread createReaderThread(int readerId) throws IOException {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> HBaseReaderThread reader = new HBaseReaderThread(readerId);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> Threads.setLoggingUncaughtExceptionHandler(reader);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> return reader;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> public class HBaseReaderThread extends Thread {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> protected final int readerId;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> protected final Table table;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> /** The "current" key being read. Increases from startKey to endKey. */<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> private long curKey;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> /** Time when the thread started */<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> protected long startTimeMs;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> /** If we are ahead of the writer and reading a random key. */<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> private boolean readingRandomKey;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> private boolean printExceptionTrace = true;<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> /**<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> * @param readerId only the keys with this remainder from division by<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> * {@link #numThreads} will be read by this thread<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> */<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> public HBaseReaderThread(int readerId) throws IOException {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> this.readerId = readerId;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> table = createTable();<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> setName(getClass().getSimpleName() + "_" + readerId);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> protected Table createTable() throws IOException {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> return connection.getTable(tableName);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> @Override<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> public void run() {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> try {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> runReader();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> } finally {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> closeTable();<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> numThreadsWorking.decrementAndGet();<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> }<a name="line.171"></a> |
| <span class="sourceLineNo">172</span><a name="line.172"></a> |
| <span class="sourceLineNo">173</span> protected void closeTable() {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> try {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> if (table != null) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> table.close();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> } catch (IOException e) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> LOG.error("Error closing table", e);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> private void runReader() {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> if (verbose) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> LOG.info("Started thread #" + readerId + " for reads...");<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> startTimeMs = System.currentTimeMillis();<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> curKey = startKey;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> long [] keysForThisReader = new long[batchSize];<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> while (curKey < endKey && !aborted) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> int readingRandomKeyStartIndex = -1;<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> int numKeys = 0;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> // if multiGet, loop until we have the number of keys equal to the batch size<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> do {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> long k = getNextKeyToRead();<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> if (k < startKey || k >= endKey) {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> numReadErrors.incrementAndGet();<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> throw new AssertionError("Load tester logic error: proposed key " +<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> "to read " + k + " is out of range (startKey=" + startKey +<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> ", endKey=" + endKey + ")");<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> if (k % numThreads != readerId || (writer != null && writer.failedToWriteKey(k))) {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> // Skip keys that this thread should not read, as well as the keys<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> // that we know the writer failed to write.<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> continue;<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> keysForThisReader[numKeys] = k;<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> if (readingRandomKey && readingRandomKeyStartIndex == -1) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> //store the first index of a random read<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> readingRandomKeyStartIndex = numKeys;<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> }<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> numKeys++;<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> } while (numKeys < batchSize && curKey < endKey && !aborted);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> if (numKeys > 0) { //meaning there is some key to read<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> readKey(keysForThisReader);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // We have verified some unique key(s).<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> numUniqueKeysVerified.getAndAdd(readingRandomKeyStartIndex == -1 ?<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> numKeys : readingRandomKeyStartIndex);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<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><a name="line.224"></a> |
| <span class="sourceLineNo">225</span> /**<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * Should only be used for the concurrent writer/reader workload. The<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * maximum key we are allowed to read, subject to the "key window"<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> * constraint.<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> */<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> private long maxKeyWeCanRead() {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> long insertedUpToKey = writer.wroteUpToKey();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> if (insertedUpToKey >= endKey - 1) {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> // The writer has finished writing our range, so we can read any<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> // key in the range.<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> return endKey - 1;<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> return Math.min(endKey - 1, writer.wroteUpToKey() - keyWindow);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> protected long getNextKeyToRead() {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> readingRandomKey = false;<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> if (writer == null || curKey <= maxKeyWeCanRead()) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> return curKey++;<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span><a name="line.245"></a> |
| <span class="sourceLineNo">246</span> // We caught up with the writer. See if we can read any keys at all.<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> long maxKeyToRead;<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> while ((maxKeyToRead = maxKeyWeCanRead()) < startKey) {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> // The writer has not written sufficient keys for us to be able to read<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> // anything at all. Sleep a bit. This should only happen in the<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> // beginning of a load test run.<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> Threads.sleepWithoutInterrupt(50);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> }<a name="line.253"></a> |
| <span class="sourceLineNo">254</span><a name="line.254"></a> |
| <span class="sourceLineNo">255</span> if (curKey <= maxKeyToRead) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // The writer wrote some keys, and we are now allowed to read our<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> // current key.<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> return curKey++;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span><a name="line.260"></a> |
| <span class="sourceLineNo">261</span> // startKey <= maxKeyToRead <= curKey - 1. Read one of the previous keys.<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> // Don't increment the current key -- we still have to try reading it<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> // later. Set a flag to make sure that we don't count this key towards<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> // the set of unique keys we have verified.<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> readingRandomKey = true;<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> return startKey + Math.abs(RandomUtils.nextLong())<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> % (maxKeyToRead - startKey + 1);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span><a name="line.269"></a> |
| <span class="sourceLineNo">270</span> private Get[] readKey(long[] keysToRead) {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> Get [] gets = new Get[keysToRead.length];<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> int i = 0;<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> for (long keyToRead : keysToRead) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> try {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> gets[i] = createGet(keyToRead);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> if (keysToRead.length == 1) {<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> queryKey(gets[i], RandomUtils.nextInt(0, 100) < verifyPercent, keyToRead);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> i++;<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> } catch (IOException e) {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> numReadFailures.addAndGet(1);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> LOG.debug("[" + readerId + "] FAILED read, key = " + (keyToRead + "")<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> + ", time from start: "<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> + (System.currentTimeMillis() - startTimeMs) + " ms");<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> if (printExceptionTrace) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> LOG.warn(e.toString(), e);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> printExceptionTrace = false;<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> if (keysToRead.length > 1) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> try {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> queryKey(gets, RandomUtils.nextInt(0, 100) < verifyPercent, keysToRead);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> } catch (IOException e) {<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> numReadFailures.addAndGet(gets.length);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> for (long keyToRead : keysToRead) {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> LOG.debug("[" + readerId + "] FAILED read, key = " + (keyToRead + "")<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> + ", time from start: "<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> + (System.currentTimeMillis() - startTimeMs) + " ms");<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> if (printExceptionTrace) {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> LOG.warn(e.toString(), e);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> printExceptionTrace = false;<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<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> return gets;<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span><a name="line.309"></a> |
| <span class="sourceLineNo">310</span> protected Get createGet(long keyToRead) throws IOException {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> Get get = new Get(dataGenerator.getDeterministicUniqueKey(keyToRead));<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> String cfsString = "";<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> byte[][] columnFamilies = dataGenerator.getColumnFamilies();<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> for (byte[] cf : columnFamilies) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> get.addFamily(cf);<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> if (verbose) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> if (cfsString.length() > 0) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> cfsString += ", ";<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> cfsString += "[" + Bytes.toStringBinary(cf) + "]";<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> }<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> get = dataGenerator.beforeGet(keyToRead, get);<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> if (regionReplicaId > 0) {<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> get.setReplicaId(regionReplicaId);<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> get.setConsistency(Consistency.TIMELINE);<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> }<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> if (verbose) {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> LOG.info("[" + readerId + "] " + "Querying key " + keyToRead + ", cfs " + cfsString);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> }<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> return get;<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> }<a name="line.332"></a> |
| <span class="sourceLineNo">333</span><a name="line.333"></a> |
| <span class="sourceLineNo">334</span> public void queryKey(Get[] gets, boolean verify, long[] keysToRead) throws IOException {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> // read the data<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> long start = System.nanoTime();<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> // Uses multi/batch gets<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> Result[] results = table.get(Arrays.asList(gets));<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> long end = System.nanoTime();<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> verifyResultsAndUpdateMetrics(verify, gets, end - start, results, table, false);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span><a name="line.342"></a> |
| <span class="sourceLineNo">343</span> public void queryKey(Get get, boolean verify, long keyToRead) throws IOException {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> // read the data<a name="line.344"></a> |
| <span class="sourceLineNo">345</span><a name="line.345"></a> |
| <span class="sourceLineNo">346</span> long start = System.nanoTime();<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> // Uses simple get<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> Result result = table.get(get);<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> long end = System.nanoTime();<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> verifyResultsAndUpdateMetrics(verify, get, end - start, result, table, false);<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> }<a name="line.351"></a> |
| <span class="sourceLineNo">352</span><a name="line.352"></a> |
| <span class="sourceLineNo">353</span> protected void verifyResultsAndUpdateMetrics(boolean verify, Get[] gets, long elapsedNano,<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> Result[] results, Table table, boolean isNullExpected)<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> throws IOException {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> totalOpTimeMs.addAndGet(elapsedNano / 1000000);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> numKeys.addAndGet(gets.length);<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> int i = 0;<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> for (Result result : results) {<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> verifyResultsAndUpdateMetricsOnAPerGetBasis(verify, gets[i++], result, table,<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> isNullExpected);<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> }<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> }<a name="line.363"></a> |
| <span class="sourceLineNo">364</span><a name="line.364"></a> |
| <span class="sourceLineNo">365</span> protected void verifyResultsAndUpdateMetrics(boolean verify, Get get, long elapsedNano,<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> Result result, Table table, boolean isNullExpected)<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> throws IOException {<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> verifyResultsAndUpdateMetrics(verify, new Get[]{get}, elapsedNano,<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> new Result[]{result}, table, isNullExpected);<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span><a name="line.371"></a> |
| <span class="sourceLineNo">372</span> private void verifyResultsAndUpdateMetricsOnAPerGetBasis(boolean verify, Get get,<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> Result result, Table table, boolean isNullExpected) throws IOException {<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> if (!result.isEmpty()) {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> if (verify) {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> numKeysVerified.incrementAndGet();<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> } else {<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> HRegionLocation hloc;<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> try (RegionLocator locator = connection.getRegionLocator(tableName)) {<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> hloc = locator.getRegionLocation(get.getRow());<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> }<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> String rowKey = Bytes.toString(get.getRow());<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> LOG.info("Key = " + rowKey + ", Region location: " + hloc);<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> if(isNullExpected) {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> nullResult.incrementAndGet();<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> LOG.debug("Null result obtained for the key ="+rowKey);<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> return;<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> }<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> boolean isOk = verifyResultAgainstDataGenerator(result, verify, false);<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> long numErrorsAfterThis = 0;<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> if (isOk) {<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> long cols = 0;<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> // Count the columns for reporting purposes.<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> for (byte[] cf : result.getMap().keySet()) {<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> cols += result.getFamilyMap(cf).size();<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> }<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> numCols.addAndGet(cols);<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> } else {<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> if (writer != null) {<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> LOG.error("At the time of failure, writer wrote " + writer.numKeys.get() + " keys");<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> }<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> numErrorsAfterThis = numReadErrors.incrementAndGet();<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> }<a name="line.405"></a> |
| <span class="sourceLineNo">406</span><a name="line.406"></a> |
| <span class="sourceLineNo">407</span> if (numErrorsAfterThis > maxErrors) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> LOG.error("Aborting readers -- found more than " + maxErrors + " errors");<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> aborted = true;<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> }<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> }<a name="line.412"></a> |
| <span class="sourceLineNo">413</span><a name="line.413"></a> |
| <span class="sourceLineNo">414</span> public long getNumReadFailures() {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> return numReadFailures.get();<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> }<a name="line.416"></a> |
| <span class="sourceLineNo">417</span><a name="line.417"></a> |
| <span class="sourceLineNo">418</span> public long getNumReadErrors() {<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> return numReadErrors.get();<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span><a name="line.421"></a> |
| <span class="sourceLineNo">422</span> public long getNumKeysVerified() {<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> return numKeysVerified.get();<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> }<a name="line.424"></a> |
| <span class="sourceLineNo">425</span><a name="line.425"></a> |
| <span class="sourceLineNo">426</span> public long getNumUniqueKeysVerified() {<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> return numUniqueKeysVerified.get();<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> }<a name="line.428"></a> |
| <span class="sourceLineNo">429</span><a name="line.429"></a> |
| <span class="sourceLineNo">430</span> public long getNullResultsCount() {<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> return nullResult.get();<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> }<a name="line.432"></a> |
| <span class="sourceLineNo">433</span><a name="line.433"></a> |
| <span class="sourceLineNo">434</span> @Override<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> protected String progressInfo() {<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> StringBuilder sb = new StringBuilder();<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> appendToStatus(sb, "verified", numKeysVerified.get());<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> appendToStatus(sb, "READ FAILURES", numReadFailures.get());<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> appendToStatus(sb, "READ ERRORS", numReadErrors.get());<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> appendToStatus(sb, "NULL RESULT", nullResult.get());<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> return sb.toString();<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> }<a name="line.442"></a> |
| <span class="sourceLineNo">443</span>}<a name="line.443"></a> |
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| </html> |
