| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <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 static org.junit.Assert.assertFalse;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertNotSame;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertSame;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.mockito.Mockito.mock;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import static org.mockito.Mockito.when;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.io.IOException;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.ArrayList;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.List;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.conf.Configuration;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.fs.FileSystem;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.fs.Path;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HDFSBlocksDistribution;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.FileLink;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hdfs.MiniDFSCluster;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hdfs.client.HdfsDataInputStream;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.junit.After;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.Before;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.junit.ClassRule;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.junit.Test;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.experimental.categories.Category;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span>@Category({ RegionServerTests.class, MediumTests.class })<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>public class TestInputStreamBlockDistribution {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> @ClassRule<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> HBaseClassTestRule.forClass(TestInputStreamBlockDistribution.class);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private Configuration conf;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> private FileSystem fs;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private Path testPath;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> @Before<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public void setUp() throws Exception {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> HBaseTestingUtil testUtil = new HBaseTestingUtil();<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> conf = testUtil.getConfiguration();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> conf.setInt("dfs.blocksize", 1024 * 1024);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> conf.setInt("dfs.client.read.prefetch.size", 2 * 1024 * 1024);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> testUtil.startMiniDFSCluster(1);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> MiniDFSCluster cluster = testUtil.getDFSCluster();<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> fs = cluster.getFileSystem();<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> testPath = new Path(testUtil.getDefaultRootDirPath(), "test.file");<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> writeSomeData(fs, testPath, 256 << 20, (byte) 2);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @After<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public void tearDown() throws Exception {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> fs.delete(testPath, false);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> fs.close();<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> @Test<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> public void itDerivesLocalityFromHFileInputStream() throws Exception {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> try (FSDataInputStream stream = fs.open(testPath)) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> HDFSBlocksDistribution initial = new HDFSBlocksDistribution();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> InputStreamBlockDistribution test =<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> new InputStreamBlockDistribution(stream, getMockedStoreFileInfo(initial, false));<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> assertSame(initial, test.getHDFSBlockDistribution());<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> test.setLastCachedAt(test.getCachePeriodMs() + 1);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> assertNotSame(initial, test.getHDFSBlockDistribution());<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><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> @Test<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> public void itDerivesLocalityFromFileLinkInputStream() throws Exception {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> List<Path> files = new ArrayList<Path>();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> files.add(testPath);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> FileLink link = new FileLink(files);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> try (FSDataInputStream stream = link.open(fs)) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> HDFSBlocksDistribution initial = new HDFSBlocksDistribution();<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> InputStreamBlockDistribution test =<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> new InputStreamBlockDistribution(stream, getMockedStoreFileInfo(initial, true));<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> assertSame(initial, test.getHDFSBlockDistribution());<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> test.setLastCachedAt(test.getCachePeriodMs() + 1);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> assertNotSame(initial, test.getHDFSBlockDistribution());<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><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> @Test<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public void itFallsBackOnLastKnownValueWhenUnsupported() {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> FSDataInputStream fakeStream = mock(FSDataInputStream.class);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> HDFSBlocksDistribution initial = new HDFSBlocksDistribution();<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> InputStreamBlockDistribution test =<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> new InputStreamBlockDistribution(fakeStream, getMockedStoreFileInfo(initial, false));<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> assertSame(initial, test.getHDFSBlockDistribution());<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> test.setLastCachedAt(test.getCachePeriodMs() + 1);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> // fakeStream is not an HdfsDataInputStream or FileLink, so will fail to resolve<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> assertSame(initial, test.getHDFSBlockDistribution());<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> assertTrue(test.isStreamUnsupported());<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> }<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> @Test<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> public void itFallsBackOnLastKnownValueOnException() throws IOException {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> HdfsDataInputStream fakeStream = mock(HdfsDataInputStream.class);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> when(fakeStream.getAllBlocks()).thenThrow(new IOException("test"));<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> HDFSBlocksDistribution initial = new HDFSBlocksDistribution();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> InputStreamBlockDistribution test =<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> new InputStreamBlockDistribution(fakeStream, getMockedStoreFileInfo(initial, false));<a name="line.143"></a> |
| <span class="sourceLineNo">144</span><a name="line.144"></a> |
| <span class="sourceLineNo">145</span> assertSame(initial, test.getHDFSBlockDistribution());<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> test.setLastCachedAt(test.getCachePeriodMs() + 1);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // fakeStream throws an exception, so falls back on original<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> assertSame(initial, test.getHDFSBlockDistribution());<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> assertFalse(test.isStreamUnsupported());<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> /**<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * Write up to 'size' bytes with value 'v' into a new file called 'path'.<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> */<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> private void writeSomeData(FileSystem fs, Path path, long size, byte v) throws IOException {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> byte[] data = new byte[4096];<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> for (int i = 0; i < data.length; i++) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> data[i] = v;<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> FSDataOutputStream stream = fs.create(path);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> try {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> long written = 0;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> while (written < size) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> stream.write(data, 0, data.length);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> written += data.length;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> } finally {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> stream.close();<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> private StoreFileInfo getMockedStoreFileInfo(HDFSBlocksDistribution distribution,<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> boolean isFileLink) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> StoreFileInfo mock = mock(StoreFileInfo.class);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> when(mock.getHDFSBlockDistribution()).thenReturn(distribution);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> when(mock.getConf()).thenReturn(conf);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> when(mock.isLink()).thenReturn(isFileLink);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> return mock;<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span>}<a name="line.183"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
