| <!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.apache.hadoop.hbase.KeyValueTestUtil.create;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.regionserver.KeyValueScanFixture.scanFixture;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertTrue;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Collections;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.NavigableSet;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.Random;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.TreeSet;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.CountDownLatch;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.conf.Configuration;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.fs.FileSystem;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.fs.Path;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.KeepDeletedCells;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.TableName;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Put;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.io.hfile.CacheConfig;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.io.hfile.HFileContext;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.io.hfile.RandomKeyValueUtil;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.junit.BeforeClass;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.junit.ClassRule;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.junit.Rule;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.junit.Test;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.junit.experimental.categories.Category;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.junit.rules.TestName;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.slf4j.Logger;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.slf4j.LoggerFactory;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span>/**<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * This test tests whether parallel {@link StoreScanner#close()} and<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * {@link StoreScanner#updateReaders(List, List)} works perfectly ensuring that there are no<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * references on the existing Storescanner readers.<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> */<a name="line.71"></a> |
| <span class="sourceLineNo">072</span>@Category({ RegionServerTests.class, SmallTests.class })<a name="line.72"></a> |
| <span class="sourceLineNo">073</span>public class TestStoreScannerClosure {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> @ClassRule<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> HBaseClassTestRule.forClass(TestStoreScannerClosure.class);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private static final Logger LOG = LoggerFactory.getLogger(TestStoreScannerClosure.class);<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private static final int NUM_VALID_KEY_TYPES = KeyValue.Type.values().length - 2;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> @Rule<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> public TestName name = new TestName();<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private static final String CF_STR = "cf";<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private static HRegion region;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> private static final byte[] CF = Bytes.toBytes(CF_STR);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> static Configuration CONF = HBaseConfiguration.create();<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> private static CacheConfig cacheConf;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private static FileSystem fs;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> private ScanInfo scanInfo = new ScanInfo(CONF, CF, 0, Integer.MAX_VALUE, Long.MAX_VALUE,<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> KeepDeletedCells.FALSE, HConstants.DEFAULT_BLOCKSIZE, 0, CellComparator.getInstance(), false);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> private final static byte[] fam = Bytes.toBytes("cf_1");<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> private static final KeyValue[] kvs =<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> new KeyValue[] { create("R1", "cf", "a", 11, KeyValue.Type.Put, "dont-care"),<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> create("R1", "cf", "b", 11, KeyValue.Type.Put, "dont-care"),<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> create("R1", "cf", "c", 11, KeyValue.Type.Put, "dont-care"),<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"),<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> create("R1", "cf", "e", 11, KeyValue.Type.Put, "dont-care"),<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> create("R1", "cf", "f", 11, KeyValue.Type.Put, "dont-care"),<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> create("R1", "cf", "g", 11, KeyValue.Type.Put, "dont-care"),<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> create("R1", "cf", "h", 11, KeyValue.Type.Put, "dont-care"),<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> create("R1", "cf", "i", 11, KeyValue.Type.Put, "dont-care"),<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> create("R2", "cf", "a", 11, KeyValue.Type.Put, "dont-care"), };<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> @BeforeClass<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> public static void setUp() throws Exception {<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> CONF = TEST_UTIL.getConfiguration();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> cacheConf = new CacheConfig(CONF);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> fs = TEST_UTIL.getTestFileSystem();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> TableName tableName = TableName.valueOf("test");<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(fam)).build();<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> RegionInfo info = RegionInfoBuilder.newBuilder(tableName).build();<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> Path path = TEST_UTIL.getDataTestDir("test");<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> region = HBaseTestingUtil.createRegionAndWAL(info, path, TEST_UTIL.getConfiguration(),<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> tableDescriptor);<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 testScannerCloseAndUpdateReadersWithMemstoreScanner() throws Exception {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> Put p = new Put(Bytes.toBytes("row"));<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> p.addColumn(fam, Bytes.toBytes("q1"), Bytes.toBytes("val"));<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> region.put(p);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // create the store scanner here.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // for easiness, use Long.MAX_VALUE as read pt<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> try (ExtendedStoreScanner scan = new ExtendedStoreScanner(region.getStore(fam), scanInfo,<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> new Scan(), getCols("q1"), Long.MAX_VALUE)) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> p = new Put(Bytes.toBytes("row1"));<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> p.addColumn(fam, Bytes.toBytes("q1"), Bytes.toBytes("val"));<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> region.put(p);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> HStore store = region.getStore(fam);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> // use the lock to manually get a new memstore scanner. this is what<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> // HStore#notifyChangedReadersObservers does under the lock.(lock is not needed here<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> // since it is just a testcase).<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> store.getStoreEngine().readLock();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> final List<KeyValueScanner> memScanners = store.memstore.getScanners(Long.MAX_VALUE);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> store.getStoreEngine().readUnlock();<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> Thread closeThread = new Thread() {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public void run() {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> // close should be completed<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> scan.close(false, true);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> };<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> closeThread.start();<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> Thread updateThread = new Thread() {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> public void run() {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> try {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // use the updated memstoreScanners and pass it to updateReaders<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> scan.updateReaders(true, Collections.emptyList(), memScanners);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> } catch (IOException e) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> e.printStackTrace();<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> updateThread.start();<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // wait for close and updateThread to complete<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> closeThread.join();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> updateThread.join();<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> MemStoreLAB memStoreLAB;<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> for (KeyValueScanner scanner : memScanners) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> if (scanner instanceof SegmentScanner) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> memStoreLAB = ((SegmentScanner) scanner).segment.getMemStoreLAB();<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> if (memStoreLAB != null) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> // There should be no unpooled chunks<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> int refCount = ((MemStoreLABImpl) memStoreLAB).getRefCntValue();<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> assertTrue("The memstore should not have unpooled chunks", refCount == 0);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<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> @Test<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> public void testScannerCloseAndUpdateReaders1() throws Exception {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> testScannerCloseAndUpdateReaderInternal(true, false);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> @Test<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> public void testScannerCloseAndUpdateReaders2() throws Exception {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> testScannerCloseAndUpdateReaderInternal(false, true);<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 Path writeStoreFile() throws IOException {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> Path storeFileParentDir = new Path(TEST_UTIL.getDataTestDir(), "TestHFile");<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> HFileContext meta = new HFileContextBuilder().withBlockSize(64 * 1024).build();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> StoreFileWriter sfw = new StoreFileWriter.Builder(CONF, fs).withOutputDir(storeFileParentDir)<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> .withFileContext(meta).build();<a name="line.187"></a> |
| <span class="sourceLineNo">188</span><a name="line.188"></a> |
| <span class="sourceLineNo">189</span> final int rowLen = 32;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> Random rand = ThreadLocalRandom.current();<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> for (int i = 0; i < 1000; ++i) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> byte[] k = RandomKeyValueUtil.randomOrderedKey(rand, i);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> byte[] v = RandomKeyValueUtil.randomValue(rand);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> int cfLen = rand.nextInt(k.length - rowLen + 1);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> KeyValue kv = new KeyValue(k, 0, rowLen, k, rowLen, cfLen, k, rowLen + cfLen,<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> k.length - rowLen - cfLen, rand.nextLong(), generateKeyType(rand), v, 0, v.length);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> sfw.append(kv);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> sfw.close();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> return sfw.getPath();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span><a name="line.203"></a> |
| <span class="sourceLineNo">204</span> private static KeyValue.Type generateKeyType(Random rand) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> if (rand.nextBoolean()) {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // Let's make half of KVs puts.<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> return KeyValue.Type.Put;<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> } else {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> KeyValue.Type keyType = KeyValue.Type.values()[1 + rand.nextInt(NUM_VALID_KEY_TYPES)];<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> if (keyType == KeyValue.Type.Minimum || keyType == KeyValue.Type.Maximum) {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> throw new RuntimeException("Generated an invalid key type: " + keyType + ". "<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> + "Probably the layout of KeyValue.Type has changed.");<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> return keyType;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> private HStoreFile readStoreFile(Path storeFilePath, Configuration conf) throws Exception {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // Open the file reader with block cache disabled.<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> HStoreFile file = new HStoreFile(fs, storeFilePath, conf, cacheConf, BloomType.NONE, true);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> return file;<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 void testScannerCloseAndUpdateReaderInternal(boolean awaitUpdate, boolean awaitClose)<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> throws IOException, InterruptedException {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> // start write to store file.<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> Path path = writeStoreFile();<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> HStoreFile file = null;<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> List<HStoreFile> files = new ArrayList<HStoreFile>();<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> try {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> file = readStoreFile(path, CONF);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> files.add(file);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> } catch (Exception e) {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> // fail test<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> assertTrue(false);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> scanFixture(kvs);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> // scanners.add(storeFileScanner);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> try (ExtendedStoreScanner scan = new ExtendedStoreScanner(region.getStore(fam), scanInfo,<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> new Scan(), getCols("a", "d"), 100L)) {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> Thread closeThread = new Thread() {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> public void run() {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> scan.close(awaitClose, true);<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> closeThread.start();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> Thread updateThread = new Thread() {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> public void run() {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> try {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> scan.updateReaders(awaitUpdate, files, Collections.emptyList());<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> } catch (IOException e) {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> e.printStackTrace();<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> };<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> updateThread.start();<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> // complete both the threads<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> closeThread.join();<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> // complete both the threads<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> updateThread.join();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> if (file.getReader() != null) {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> // the fileReader is not null when the updateReaders has completed first.<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> // in the other case the fileReader will be null.<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> int refCount = file.getReader().getRefCount();<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> LOG.info("the store scanner count is " + refCount);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> assertTrue("The store scanner count should be 0", refCount == 0);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<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><a name="line.270"></a> |
| <span class="sourceLineNo">271</span> private static class ExtendedStoreScanner extends StoreScanner {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> private CountDownLatch latch = new CountDownLatch(1);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> public ExtendedStoreScanner(HStore store, ScanInfo scanInfo, Scan scan,<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> NavigableSet<byte[]> columns, long readPt) throws IOException {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> super(store, scanInfo, scan, columns, readPt);<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> public void updateReaders(boolean await, List<HStoreFile> sfs,<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> List<KeyValueScanner> memStoreScanners) throws IOException {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> if (await) {<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> try {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> latch.await();<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> } catch (InterruptedException e) {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> // TODO Auto-generated catch block<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> e.printStackTrace();<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> }<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> super.updateReaders(sfs, memStoreScanners);<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> if (!await) {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> latch.countDown();<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> }<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> // creating a dummy close<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> public void close(boolean await, boolean dummy) {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> if (await) {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> try {<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> latch.await();<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> } catch (InterruptedException e) {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> // TODO Auto-generated catch block<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> e.printStackTrace();<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> }<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> super.close();<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> if (!await) {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> latch.countDown();<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> }<a name="line.310"></a> |
| <span class="sourceLineNo">311</span><a name="line.311"></a> |
| <span class="sourceLineNo">312</span> NavigableSet<byte[]> getCols(String... strCols) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> NavigableSet<byte[]> cols = new TreeSet<>(Bytes.BYTES_COMPARATOR);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> for (String col : strCols) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> byte[] bytes = Bytes.toBytes(col);<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> cols.add(bytes);<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> return cols;<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span>}<a name="line.320"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
