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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.regionserver;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.junit.Assert.assertArrayEquals;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertFalse;<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.junit.Assert.fail;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import static org.mockito.ArgumentMatchers.any;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import static org.mockito.Mockito.mock;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import static org.mockito.Mockito.spy;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import static org.mockito.Mockito.times;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import static org.mockito.Mockito.verify;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import static org.mockito.Mockito.when;<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.io.IOException;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.lang.ref.SoftReference;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.security.PrivilegedExceptionAction;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import java.util.ArrayList;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import java.util.Arrays;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import java.util.Collection;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import java.util.Collections;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import java.util.Iterator;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import java.util.List;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import java.util.ListIterator;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import java.util.NavigableSet;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import java.util.TreeSet;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import java.util.concurrent.ConcurrentSkipListSet;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import java.util.concurrent.CountDownLatch;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import java.util.concurrent.ExecutorService;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import java.util.concurrent.Executors;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import java.util.concurrent.TimeUnit;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.apache.hadoop.conf.Configuration;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.apache.hadoop.fs.FileStatus;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.apache.hadoop.fs.FileSystem;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.apache.hadoop.fs.FilterFileSystem;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.apache.hadoop.fs.LocalFileSystem;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.apache.hadoop.fs.Path;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.apache.hadoop.fs.permission.FsPermission;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.Cell;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.CellBuilderFactory;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.CellBuilderType;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.CellComparatorImpl;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.HConstants;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.MemoryCompactionPolicy;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.72"></a>
<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.TableName;<a name="line.73"></a>
<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.74"></a>
<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.75"></a>
<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.client.Get;<a name="line.76"></a>
<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.77"></a>
<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.78"></a>
<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.79"></a>
<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.80"></a>
<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.81"></a>
<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.exceptions.IllegalArgumentIOException;<a name="line.82"></a>
<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.83"></a>
<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.filter.FilterBase;<a name="line.84"></a>
<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.io.compress.Compression;<a name="line.85"></a>
<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.86"></a>
<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.io.hfile.CacheConfig;<a name="line.87"></a>
<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.88"></a>
<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.io.hfile.HFileContext;<a name="line.89"></a>
<span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;<a name="line.90"></a>
<span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.91"></a>
<span class="sourceLineNo">092</span>import org.apache.hadoop.hbase.quotas.RegionSizeStoreImpl;<a name="line.92"></a>
<span class="sourceLineNo">093</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration;<a name="line.93"></a>
<span class="sourceLineNo">094</span>import org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor;<a name="line.94"></a>
<span class="sourceLineNo">095</span>import org.apache.hadoop.hbase.regionserver.querymatcher.ScanQueryMatcher;<a name="line.95"></a>
<span class="sourceLineNo">096</span>import org.apache.hadoop.hbase.regionserver.throttle.NoLimitThroughputController;<a name="line.96"></a>
<span class="sourceLineNo">097</span>import org.apache.hadoop.hbase.security.User;<a name="line.97"></a>
<span class="sourceLineNo">098</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.98"></a>
<span class="sourceLineNo">099</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.99"></a>
<span class="sourceLineNo">100</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.100"></a>
<span class="sourceLineNo">101</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.101"></a>
<span class="sourceLineNo">102</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.102"></a>
<span class="sourceLineNo">103</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;<a name="line.103"></a>
<span class="sourceLineNo">104</span>import org.apache.hadoop.hbase.util.IncrementingEnvironmentEdge;<a name="line.104"></a>
<span class="sourceLineNo">105</span>import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;<a name="line.105"></a>
<span class="sourceLineNo">106</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.106"></a>
<span class="sourceLineNo">107</span>import org.apache.hadoop.hbase.wal.WALFactory;<a name="line.107"></a>
<span class="sourceLineNo">108</span>import org.apache.hadoop.util.Progressable;<a name="line.108"></a>
<span class="sourceLineNo">109</span>import org.junit.After;<a name="line.109"></a>
<span class="sourceLineNo">110</span>import org.junit.AfterClass;<a name="line.110"></a>
<span class="sourceLineNo">111</span>import org.junit.Before;<a name="line.111"></a>
<span class="sourceLineNo">112</span>import org.junit.ClassRule;<a name="line.112"></a>
<span class="sourceLineNo">113</span>import org.junit.Rule;<a name="line.113"></a>
<span class="sourceLineNo">114</span>import org.junit.Test;<a name="line.114"></a>
<span class="sourceLineNo">115</span>import org.junit.experimental.categories.Category;<a name="line.115"></a>
<span class="sourceLineNo">116</span>import org.junit.rules.TestName;<a name="line.116"></a>
<span class="sourceLineNo">117</span>import org.mockito.Mockito;<a name="line.117"></a>
<span class="sourceLineNo">118</span>import org.slf4j.Logger;<a name="line.118"></a>
<span class="sourceLineNo">119</span>import org.slf4j.LoggerFactory;<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
<span class="sourceLineNo">121</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span>/**<a name="line.123"></a>
<span class="sourceLineNo">124</span> * Test class for the HStore<a name="line.124"></a>
<span class="sourceLineNo">125</span> */<a name="line.125"></a>
<span class="sourceLineNo">126</span>@Category({ RegionServerTests.class, MediumTests.class })<a name="line.126"></a>
<span class="sourceLineNo">127</span>public class TestHStore {<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span> @ClassRule<a name="line.129"></a>
<span class="sourceLineNo">130</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.130"></a>
<span class="sourceLineNo">131</span> HBaseClassTestRule.forClass(TestHStore.class);<a name="line.131"></a>
<span class="sourceLineNo">132</span><a name="line.132"></a>
<span class="sourceLineNo">133</span> private static final Logger LOG = LoggerFactory.getLogger(TestHStore.class);<a name="line.133"></a>
<span class="sourceLineNo">134</span> @Rule<a name="line.134"></a>
<span class="sourceLineNo">135</span> public TestName name = new TestName();<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span> HRegion region;<a name="line.137"></a>
<span class="sourceLineNo">138</span> HStore store;<a name="line.138"></a>
<span class="sourceLineNo">139</span> byte [] table = Bytes.toBytes("table");<a name="line.139"></a>
<span class="sourceLineNo">140</span> byte [] family = Bytes.toBytes("family");<a name="line.140"></a>
<span class="sourceLineNo">141</span><a name="line.141"></a>
<span class="sourceLineNo">142</span> byte [] row = Bytes.toBytes("row");<a name="line.142"></a>
<span class="sourceLineNo">143</span> byte [] row2 = Bytes.toBytes("row2");<a name="line.143"></a>
<span class="sourceLineNo">144</span> byte [] qf1 = Bytes.toBytes("qf1");<a name="line.144"></a>
<span class="sourceLineNo">145</span> byte [] qf2 = Bytes.toBytes("qf2");<a name="line.145"></a>
<span class="sourceLineNo">146</span> byte [] qf3 = Bytes.toBytes("qf3");<a name="line.146"></a>
<span class="sourceLineNo">147</span> byte [] qf4 = Bytes.toBytes("qf4");<a name="line.147"></a>
<span class="sourceLineNo">148</span> byte [] qf5 = Bytes.toBytes("qf5");<a name="line.148"></a>
<span class="sourceLineNo">149</span> byte [] qf6 = Bytes.toBytes("qf6");<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span> NavigableSet&lt;byte[]&gt; qualifiers = new ConcurrentSkipListSet&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span> List&lt;Cell&gt; expected = new ArrayList&lt;&gt;();<a name="line.153"></a>
<span class="sourceLineNo">154</span> List&lt;Cell&gt; result = new ArrayList&lt;&gt;();<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span> long id = System.currentTimeMillis();<a name="line.156"></a>
<span class="sourceLineNo">157</span> Get get = new Get(row);<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span> private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.159"></a>
<span class="sourceLineNo">160</span> private static final String DIR = TEST_UTIL.getDataTestDir("TestStore").toString();<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> /**<a name="line.163"></a>
<span class="sourceLineNo">164</span> * Setup<a name="line.164"></a>
<span class="sourceLineNo">165</span> * @throws IOException<a name="line.165"></a>
<span class="sourceLineNo">166</span> */<a name="line.166"></a>
<span class="sourceLineNo">167</span> @Before<a name="line.167"></a>
<span class="sourceLineNo">168</span> public void setUp() throws IOException {<a name="line.168"></a>
<span class="sourceLineNo">169</span> qualifiers.clear();<a name="line.169"></a>
<span class="sourceLineNo">170</span> qualifiers.add(qf1);<a name="line.170"></a>
<span class="sourceLineNo">171</span> qualifiers.add(qf3);<a name="line.171"></a>
<span class="sourceLineNo">172</span> qualifiers.add(qf5);<a name="line.172"></a>
<span class="sourceLineNo">173</span><a name="line.173"></a>
<span class="sourceLineNo">174</span> Iterator&lt;byte[]&gt; iter = qualifiers.iterator();<a name="line.174"></a>
<span class="sourceLineNo">175</span> while(iter.hasNext()){<a name="line.175"></a>
<span class="sourceLineNo">176</span> byte [] next = iter.next();<a name="line.176"></a>
<span class="sourceLineNo">177</span> expected.add(new KeyValue(row, family, next, 1, (byte[])null));<a name="line.177"></a>
<span class="sourceLineNo">178</span> get.addColumn(family, next);<a name="line.178"></a>
<span class="sourceLineNo">179</span> }<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> private void init(String methodName) throws IOException {<a name="line.182"></a>
<span class="sourceLineNo">183</span> init(methodName, TEST_UTIL.getConfiguration());<a name="line.183"></a>
<span class="sourceLineNo">184</span> }<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span> private HStore init(String methodName, Configuration conf) throws IOException {<a name="line.186"></a>
<span class="sourceLineNo">187</span> // some of the tests write 4 versions and then flush<a name="line.187"></a>
<span class="sourceLineNo">188</span> // (with HBASE-4241, lower versions are collected on flush)<a name="line.188"></a>
<span class="sourceLineNo">189</span> return init(methodName, conf,<a name="line.189"></a>
<span class="sourceLineNo">190</span> ColumnFamilyDescriptorBuilder.newBuilder(family).setMaxVersions(4).build());<a name="line.190"></a>
<span class="sourceLineNo">191</span> }<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span> private HStore init(String methodName, Configuration conf, ColumnFamilyDescriptor hcd)<a name="line.193"></a>
<span class="sourceLineNo">194</span> throws IOException {<a name="line.194"></a>
<span class="sourceLineNo">195</span> return init(methodName, conf, TableDescriptorBuilder.newBuilder(TableName.valueOf(table)), hcd);<a name="line.195"></a>
<span class="sourceLineNo">196</span> }<a name="line.196"></a>
<span class="sourceLineNo">197</span><a name="line.197"></a>
<span class="sourceLineNo">198</span> private HStore init(String methodName, Configuration conf, TableDescriptorBuilder builder,<a name="line.198"></a>
<span class="sourceLineNo">199</span> ColumnFamilyDescriptor hcd) throws IOException {<a name="line.199"></a>
<span class="sourceLineNo">200</span> return init(methodName, conf, builder, hcd, null);<a name="line.200"></a>
<span class="sourceLineNo">201</span> }<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span> private HStore init(String methodName, Configuration conf, TableDescriptorBuilder builder,<a name="line.203"></a>
<span class="sourceLineNo">204</span> ColumnFamilyDescriptor hcd, MyStoreHook hook) throws IOException {<a name="line.204"></a>
<span class="sourceLineNo">205</span> return init(methodName, conf, builder, hcd, hook, false);<a name="line.205"></a>
<span class="sourceLineNo">206</span> }<a name="line.206"></a>
<span class="sourceLineNo">207</span><a name="line.207"></a>
<span class="sourceLineNo">208</span> private void initHRegion(String methodName, Configuration conf, TableDescriptorBuilder builder,<a name="line.208"></a>
<span class="sourceLineNo">209</span> ColumnFamilyDescriptor hcd, MyStoreHook hook, boolean switchToPread) throws IOException {<a name="line.209"></a>
<span class="sourceLineNo">210</span> TableDescriptor htd = builder.setColumnFamily(hcd).build();<a name="line.210"></a>
<span class="sourceLineNo">211</span> Path basedir = new Path(DIR + methodName);<a name="line.211"></a>
<span class="sourceLineNo">212</span> Path tableDir = CommonFSUtils.getTableDir(basedir, htd.getTableName());<a name="line.212"></a>
<span class="sourceLineNo">213</span> final Path logdir = new Path(basedir, AbstractFSWALProvider.getWALDirectoryName(methodName));<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span> FileSystem fs = FileSystem.get(conf);<a name="line.215"></a>
<span class="sourceLineNo">216</span><a name="line.216"></a>
<span class="sourceLineNo">217</span> fs.delete(logdir, true);<a name="line.217"></a>
<span class="sourceLineNo">218</span> ChunkCreator.initialize(MemStoreLAB.CHUNK_SIZE_DEFAULT, false,<a name="line.218"></a>
<span class="sourceLineNo">219</span> MemStoreLABImpl.CHUNK_SIZE_DEFAULT, 1, 0,<a name="line.219"></a>
<span class="sourceLineNo">220</span> null, MemStoreLAB.INDEX_CHUNK_SIZE_PERCENTAGE_DEFAULT);<a name="line.220"></a>
<span class="sourceLineNo">221</span> RegionInfo info = RegionInfoBuilder.newBuilder(htd.getTableName()).build();<a name="line.221"></a>
<span class="sourceLineNo">222</span> Configuration walConf = new Configuration(conf);<a name="line.222"></a>
<span class="sourceLineNo">223</span> CommonFSUtils.setRootDir(walConf, basedir);<a name="line.223"></a>
<span class="sourceLineNo">224</span> WALFactory wals = new WALFactory(walConf, methodName);<a name="line.224"></a>
<span class="sourceLineNo">225</span> region = new HRegion(new HRegionFileSystem(conf, fs, tableDir, info), wals.getWAL(info), conf,<a name="line.225"></a>
<span class="sourceLineNo">226</span> htd, null);<a name="line.226"></a>
<span class="sourceLineNo">227</span> region.regionServicesForStores = Mockito.spy(region.regionServicesForStores);<a name="line.227"></a>
<span class="sourceLineNo">228</span> ThreadPoolExecutor pool = (ThreadPoolExecutor) Executors.newFixedThreadPool(1);<a name="line.228"></a>
<span class="sourceLineNo">229</span> Mockito.when(region.regionServicesForStores.getInMemoryCompactionPool()).thenReturn(pool);<a name="line.229"></a>
<span class="sourceLineNo">230</span> }<a name="line.230"></a>
<span class="sourceLineNo">231</span><a name="line.231"></a>
<span class="sourceLineNo">232</span> private HStore init(String methodName, Configuration conf, TableDescriptorBuilder builder,<a name="line.232"></a>
<span class="sourceLineNo">233</span> ColumnFamilyDescriptor hcd, MyStoreHook hook, boolean switchToPread) throws IOException {<a name="line.233"></a>
<span class="sourceLineNo">234</span> initHRegion(methodName, conf, builder, hcd, hook, switchToPread);<a name="line.234"></a>
<span class="sourceLineNo">235</span> if (hook == null) {<a name="line.235"></a>
<span class="sourceLineNo">236</span> store = new HStore(region, hcd, conf, false);<a name="line.236"></a>
<span class="sourceLineNo">237</span> } else {<a name="line.237"></a>
<span class="sourceLineNo">238</span> store = new MyStore(region, hcd, conf, hook, switchToPread);<a name="line.238"></a>
<span class="sourceLineNo">239</span> }<a name="line.239"></a>
<span class="sourceLineNo">240</span> return store;<a name="line.240"></a>
<span class="sourceLineNo">241</span> }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span> /**<a name="line.243"></a>
<span class="sourceLineNo">244</span> * Test we do not lose data if we fail a flush and then close.<a name="line.244"></a>
<span class="sourceLineNo">245</span> * Part of HBase-10466<a name="line.245"></a>
<span class="sourceLineNo">246</span> * @throws Exception<a name="line.246"></a>
<span class="sourceLineNo">247</span> */<a name="line.247"></a>
<span class="sourceLineNo">248</span> @Test<a name="line.248"></a>
<span class="sourceLineNo">249</span> public void testFlushSizeSizing() throws Exception {<a name="line.249"></a>
<span class="sourceLineNo">250</span> LOG.info("Setting up a faulty file system that cannot write in " + this.name.getMethodName());<a name="line.250"></a>
<span class="sourceLineNo">251</span> final Configuration conf = HBaseConfiguration.create(TEST_UTIL.getConfiguration());<a name="line.251"></a>
<span class="sourceLineNo">252</span> // Only retry once.<a name="line.252"></a>
<span class="sourceLineNo">253</span> conf.setInt("hbase.hstore.flush.retries.number", 1);<a name="line.253"></a>
<span class="sourceLineNo">254</span> User user = User.createUserForTesting(conf, this.name.getMethodName(),<a name="line.254"></a>
<span class="sourceLineNo">255</span> new String[]{"foo"});<a name="line.255"></a>
<span class="sourceLineNo">256</span> // Inject our faulty LocalFileSystem<a name="line.256"></a>
<span class="sourceLineNo">257</span> conf.setClass("fs.file.impl", FaultyFileSystem.class, FileSystem.class);<a name="line.257"></a>
<span class="sourceLineNo">258</span> user.runAs(new PrivilegedExceptionAction&lt;Object&gt;() {<a name="line.258"></a>
<span class="sourceLineNo">259</span> @Override<a name="line.259"></a>
<span class="sourceLineNo">260</span> public Object run() throws Exception {<a name="line.260"></a>
<span class="sourceLineNo">261</span> // Make sure it worked (above is sensitive to caching details in hadoop core)<a name="line.261"></a>
<span class="sourceLineNo">262</span> FileSystem fs = FileSystem.get(conf);<a name="line.262"></a>
<span class="sourceLineNo">263</span> assertEquals(FaultyFileSystem.class, fs.getClass());<a name="line.263"></a>
<span class="sourceLineNo">264</span> FaultyFileSystem ffs = (FaultyFileSystem)fs;<a name="line.264"></a>
<span class="sourceLineNo">265</span><a name="line.265"></a>
<span class="sourceLineNo">266</span> // Initialize region<a name="line.266"></a>
<span class="sourceLineNo">267</span> init(name.getMethodName(), conf);<a name="line.267"></a>
<span class="sourceLineNo">268</span><a name="line.268"></a>
<span class="sourceLineNo">269</span> MemStoreSize mss = store.memstore.getFlushableSize();<a name="line.269"></a>
<span class="sourceLineNo">270</span> assertEquals(0, mss.getDataSize());<a name="line.270"></a>
<span class="sourceLineNo">271</span> LOG.info("Adding some data");<a name="line.271"></a>
<span class="sourceLineNo">272</span> MemStoreSizing kvSize = new NonThreadSafeMemStoreSizing();<a name="line.272"></a>
<span class="sourceLineNo">273</span> store.add(new KeyValue(row, family, qf1, 1, (byte[]) null), kvSize);<a name="line.273"></a>
<span class="sourceLineNo">274</span> // add the heap size of active (mutable) segment<a name="line.274"></a>
<span class="sourceLineNo">275</span> kvSize.incMemStoreSize(0, MutableSegment.DEEP_OVERHEAD, 0, 0);<a name="line.275"></a>
<span class="sourceLineNo">276</span> mss = store.memstore.getFlushableSize();<a name="line.276"></a>
<span class="sourceLineNo">277</span> assertEquals(kvSize.getMemStoreSize(), mss);<a name="line.277"></a>
<span class="sourceLineNo">278</span> // Flush. Bug #1 from HBASE-10466. Make sure size calculation on failed flush is right.<a name="line.278"></a>
<span class="sourceLineNo">279</span> try {<a name="line.279"></a>
<span class="sourceLineNo">280</span> LOG.info("Flushing");<a name="line.280"></a>
<span class="sourceLineNo">281</span> flushStore(store, id++);<a name="line.281"></a>
<span class="sourceLineNo">282</span> fail("Didn't bubble up IOE!");<a name="line.282"></a>
<span class="sourceLineNo">283</span> } catch (IOException ioe) {<a name="line.283"></a>
<span class="sourceLineNo">284</span> assertTrue(ioe.getMessage().contains("Fault injected"));<a name="line.284"></a>
<span class="sourceLineNo">285</span> }<a name="line.285"></a>
<span class="sourceLineNo">286</span> // due to snapshot, change mutable to immutable segment<a name="line.286"></a>
<span class="sourceLineNo">287</span> kvSize.incMemStoreSize(0,<a name="line.287"></a>
<span class="sourceLineNo">288</span> CSLMImmutableSegment.DEEP_OVERHEAD_CSLM - MutableSegment.DEEP_OVERHEAD, 0, 0);<a name="line.288"></a>
<span class="sourceLineNo">289</span> mss = store.memstore.getFlushableSize();<a name="line.289"></a>
<span class="sourceLineNo">290</span> assertEquals(kvSize.getMemStoreSize(), mss);<a name="line.290"></a>
<span class="sourceLineNo">291</span> MemStoreSizing kvSize2 = new NonThreadSafeMemStoreSizing();<a name="line.291"></a>
<span class="sourceLineNo">292</span> store.add(new KeyValue(row, family, qf2, 2, (byte[]) null), kvSize2);<a name="line.292"></a>
<span class="sourceLineNo">293</span> kvSize2.incMemStoreSize(0, MutableSegment.DEEP_OVERHEAD, 0, 0);<a name="line.293"></a>
<span class="sourceLineNo">294</span> // Even though we add a new kv, we expect the flushable size to be 'same' since we have<a name="line.294"></a>
<span class="sourceLineNo">295</span> // not yet cleared the snapshot -- the above flush failed.<a name="line.295"></a>
<span class="sourceLineNo">296</span> assertEquals(kvSize.getMemStoreSize(), mss);<a name="line.296"></a>
<span class="sourceLineNo">297</span> ffs.fault.set(false);<a name="line.297"></a>
<span class="sourceLineNo">298</span> flushStore(store, id++);<a name="line.298"></a>
<span class="sourceLineNo">299</span> mss = store.memstore.getFlushableSize();<a name="line.299"></a>
<span class="sourceLineNo">300</span> // Size should be the foreground kv size.<a name="line.300"></a>
<span class="sourceLineNo">301</span> assertEquals(kvSize2.getMemStoreSize(), mss);<a name="line.301"></a>
<span class="sourceLineNo">302</span> flushStore(store, id++);<a name="line.302"></a>
<span class="sourceLineNo">303</span> mss = store.memstore.getFlushableSize();<a name="line.303"></a>
<span class="sourceLineNo">304</span> assertEquals(0, mss.getDataSize());<a name="line.304"></a>
<span class="sourceLineNo">305</span> assertEquals(MutableSegment.DEEP_OVERHEAD, mss.getHeapSize());<a name="line.305"></a>
<span class="sourceLineNo">306</span> return null;<a name="line.306"></a>
<span class="sourceLineNo">307</span> }<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> * Verify that compression and data block encoding are respected by the<a name="line.312"></a>
<span class="sourceLineNo">313</span> * Store.createWriterInTmp() method, used on store flush.<a name="line.313"></a>
<span class="sourceLineNo">314</span> */<a name="line.314"></a>
<span class="sourceLineNo">315</span> @Test<a name="line.315"></a>
<span class="sourceLineNo">316</span> public void testCreateWriter() throws Exception {<a name="line.316"></a>
<span class="sourceLineNo">317</span> Configuration conf = HBaseConfiguration.create();<a name="line.317"></a>
<span class="sourceLineNo">318</span> FileSystem fs = FileSystem.get(conf);<a name="line.318"></a>
<span class="sourceLineNo">319</span><a name="line.319"></a>
<span class="sourceLineNo">320</span> ColumnFamilyDescriptor hcd = ColumnFamilyDescriptorBuilder.newBuilder(family)<a name="line.320"></a>
<span class="sourceLineNo">321</span> .setCompressionType(Compression.Algorithm.GZ).setDataBlockEncoding(DataBlockEncoding.DIFF)<a name="line.321"></a>
<span class="sourceLineNo">322</span> .build();<a name="line.322"></a>
<span class="sourceLineNo">323</span> init(name.getMethodName(), conf, hcd);<a name="line.323"></a>
<span class="sourceLineNo">324</span><a name="line.324"></a>
<span class="sourceLineNo">325</span> // Test createWriterInTmp()<a name="line.325"></a>
<span class="sourceLineNo">326</span> StoreFileWriter writer =<a name="line.326"></a>
<span class="sourceLineNo">327</span> store.createWriterInTmp(4, hcd.getCompressionType(), false, true, false, false);<a name="line.327"></a>
<span class="sourceLineNo">328</span> Path path = writer.getPath();<a name="line.328"></a>
<span class="sourceLineNo">329</span> writer.append(new KeyValue(row, family, qf1, Bytes.toBytes(1)));<a name="line.329"></a>
<span class="sourceLineNo">330</span> writer.append(new KeyValue(row, family, qf2, Bytes.toBytes(2)));<a name="line.330"></a>
<span class="sourceLineNo">331</span> writer.append(new KeyValue(row2, family, qf1, Bytes.toBytes(3)));<a name="line.331"></a>
<span class="sourceLineNo">332</span> writer.append(new KeyValue(row2, family, qf2, Bytes.toBytes(4)));<a name="line.332"></a>
<span class="sourceLineNo">333</span> writer.close();<a name="line.333"></a>
<span class="sourceLineNo">334</span><a name="line.334"></a>
<span class="sourceLineNo">335</span> // Verify that compression and encoding settings are respected<a name="line.335"></a>
<span class="sourceLineNo">336</span> HFile.Reader reader = HFile.createReader(fs, path, new CacheConfig(conf), true, conf);<a name="line.336"></a>
<span class="sourceLineNo">337</span> assertEquals(hcd.getCompressionType(), reader.getTrailer().getCompressionCodec());<a name="line.337"></a>
<span class="sourceLineNo">338</span> assertEquals(hcd.getDataBlockEncoding(), reader.getDataBlockEncoding());<a name="line.338"></a>
<span class="sourceLineNo">339</span> reader.close();<a name="line.339"></a>
<span class="sourceLineNo">340</span> }<a name="line.340"></a>
<span class="sourceLineNo">341</span><a name="line.341"></a>
<span class="sourceLineNo">342</span> @Test<a name="line.342"></a>
<span class="sourceLineNo">343</span> public void testDeleteExpiredStoreFiles() throws Exception {<a name="line.343"></a>
<span class="sourceLineNo">344</span> testDeleteExpiredStoreFiles(0);<a name="line.344"></a>
<span class="sourceLineNo">345</span> testDeleteExpiredStoreFiles(1);<a name="line.345"></a>
<span class="sourceLineNo">346</span> }<a name="line.346"></a>
<span class="sourceLineNo">347</span><a name="line.347"></a>
<span class="sourceLineNo">348</span> /*<a name="line.348"></a>
<span class="sourceLineNo">349</span> * @param minVersions the MIN_VERSIONS for the column family<a name="line.349"></a>
<span class="sourceLineNo">350</span> */<a name="line.350"></a>
<span class="sourceLineNo">351</span> public void testDeleteExpiredStoreFiles(int minVersions) throws Exception {<a name="line.351"></a>
<span class="sourceLineNo">352</span> int storeFileNum = 4;<a name="line.352"></a>
<span class="sourceLineNo">353</span> int ttl = 4;<a name="line.353"></a>
<span class="sourceLineNo">354</span> IncrementingEnvironmentEdge edge = new IncrementingEnvironmentEdge();<a name="line.354"></a>
<span class="sourceLineNo">355</span> EnvironmentEdgeManagerTestHelper.injectEdge(edge);<a name="line.355"></a>
<span class="sourceLineNo">356</span><a name="line.356"></a>
<span class="sourceLineNo">357</span> Configuration conf = HBaseConfiguration.create();<a name="line.357"></a>
<span class="sourceLineNo">358</span> // Enable the expired store file deletion<a name="line.358"></a>
<span class="sourceLineNo">359</span> conf.setBoolean("hbase.store.delete.expired.storefile", true);<a name="line.359"></a>
<span class="sourceLineNo">360</span> // Set the compaction threshold higher to avoid normal compactions.<a name="line.360"></a>
<span class="sourceLineNo">361</span> conf.setInt(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MIN_KEY, 5);<a name="line.361"></a>
<span class="sourceLineNo">362</span><a name="line.362"></a>
<span class="sourceLineNo">363</span> init(name.getMethodName() + "-" + minVersions, conf, ColumnFamilyDescriptorBuilder<a name="line.363"></a>
<span class="sourceLineNo">364</span> .newBuilder(family).setMinVersions(minVersions).setTimeToLive(ttl).build());<a name="line.364"></a>
<span class="sourceLineNo">365</span><a name="line.365"></a>
<span class="sourceLineNo">366</span> long storeTtl = this.store.getScanInfo().getTtl();<a name="line.366"></a>
<span class="sourceLineNo">367</span> long sleepTime = storeTtl / storeFileNum;<a name="line.367"></a>
<span class="sourceLineNo">368</span> long timeStamp;<a name="line.368"></a>
<span class="sourceLineNo">369</span> // There are 4 store files and the max time stamp difference among these<a name="line.369"></a>
<span class="sourceLineNo">370</span> // store files will be (this.store.ttl / storeFileNum)<a name="line.370"></a>
<span class="sourceLineNo">371</span> for (int i = 1; i &lt;= storeFileNum; i++) {<a name="line.371"></a>
<span class="sourceLineNo">372</span> LOG.info("Adding some data for the store file #" + i);<a name="line.372"></a>
<span class="sourceLineNo">373</span> timeStamp = EnvironmentEdgeManager.currentTime();<a name="line.373"></a>
<span class="sourceLineNo">374</span> this.store.add(new KeyValue(row, family, qf1, timeStamp, (byte[]) null), null);<a name="line.374"></a>
<span class="sourceLineNo">375</span> this.store.add(new KeyValue(row, family, qf2, timeStamp, (byte[]) null), null);<a name="line.375"></a>
<span class="sourceLineNo">376</span> this.store.add(new KeyValue(row, family, qf3, timeStamp, (byte[]) null), null);<a name="line.376"></a>
<span class="sourceLineNo">377</span> flush(i);<a name="line.377"></a>
<span class="sourceLineNo">378</span> edge.incrementTime(sleepTime);<a name="line.378"></a>
<span class="sourceLineNo">379</span> }<a name="line.379"></a>
<span class="sourceLineNo">380</span><a name="line.380"></a>
<span class="sourceLineNo">381</span> // Verify the total number of store files<a name="line.381"></a>
<span class="sourceLineNo">382</span> assertEquals(storeFileNum, this.store.getStorefiles().size());<a name="line.382"></a>
<span class="sourceLineNo">383</span><a name="line.383"></a>
<span class="sourceLineNo">384</span> // Each call will find one expired store file and delete it before compaction happens.<a name="line.384"></a>
<span class="sourceLineNo">385</span> // There will be no compaction due to threshold above. Last file will not be replaced.<a name="line.385"></a>
<span class="sourceLineNo">386</span> for (int i = 1; i &lt;= storeFileNum - 1; i++) {<a name="line.386"></a>
<span class="sourceLineNo">387</span> // verify the expired store file.<a name="line.387"></a>
<span class="sourceLineNo">388</span> assertFalse(this.store.requestCompaction().isPresent());<a name="line.388"></a>
<span class="sourceLineNo">389</span> Collection&lt;HStoreFile&gt; sfs = this.store.getStorefiles();<a name="line.389"></a>
<span class="sourceLineNo">390</span> // Ensure i files are gone.<a name="line.390"></a>
<span class="sourceLineNo">391</span> if (minVersions == 0) {<a name="line.391"></a>
<span class="sourceLineNo">392</span> assertEquals(storeFileNum - i, sfs.size());<a name="line.392"></a>
<span class="sourceLineNo">393</span> // Ensure only non-expired files remain.<a name="line.393"></a>
<span class="sourceLineNo">394</span> for (HStoreFile sf : sfs) {<a name="line.394"></a>
<span class="sourceLineNo">395</span> assertTrue(sf.getReader().getMaxTimestamp() &gt;= (edge.currentTime() - storeTtl));<a name="line.395"></a>
<span class="sourceLineNo">396</span> }<a name="line.396"></a>
<span class="sourceLineNo">397</span> } else {<a name="line.397"></a>
<span class="sourceLineNo">398</span> assertEquals(storeFileNum, sfs.size());<a name="line.398"></a>
<span class="sourceLineNo">399</span> }<a name="line.399"></a>
<span class="sourceLineNo">400</span> // Let the next store file expired.<a name="line.400"></a>
<span class="sourceLineNo">401</span> edge.incrementTime(sleepTime);<a name="line.401"></a>
<span class="sourceLineNo">402</span> }<a name="line.402"></a>
<span class="sourceLineNo">403</span> assertFalse(this.store.requestCompaction().isPresent());<a name="line.403"></a>
<span class="sourceLineNo">404</span><a name="line.404"></a>
<span class="sourceLineNo">405</span> Collection&lt;HStoreFile&gt; sfs = this.store.getStorefiles();<a name="line.405"></a>
<span class="sourceLineNo">406</span> // Assert the last expired file is not removed.<a name="line.406"></a>
<span class="sourceLineNo">407</span> if (minVersions == 0) {<a name="line.407"></a>
<span class="sourceLineNo">408</span> assertEquals(1, sfs.size());<a name="line.408"></a>
<span class="sourceLineNo">409</span> }<a name="line.409"></a>
<span class="sourceLineNo">410</span> long ts = sfs.iterator().next().getReader().getMaxTimestamp();<a name="line.410"></a>
<span class="sourceLineNo">411</span> assertTrue(ts &lt; (edge.currentTime() - storeTtl));<a name="line.411"></a>
<span class="sourceLineNo">412</span><a name="line.412"></a>
<span class="sourceLineNo">413</span> for (HStoreFile sf : sfs) {<a name="line.413"></a>
<span class="sourceLineNo">414</span> sf.closeStoreFile(true);<a name="line.414"></a>
<span class="sourceLineNo">415</span> }<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> @Test<a name="line.418"></a>
<span class="sourceLineNo">419</span> public void testLowestModificationTime() throws Exception {<a name="line.419"></a>
<span class="sourceLineNo">420</span> Configuration conf = HBaseConfiguration.create();<a name="line.420"></a>
<span class="sourceLineNo">421</span> FileSystem fs = FileSystem.get(conf);<a name="line.421"></a>
<span class="sourceLineNo">422</span> // Initialize region<a name="line.422"></a>
<span class="sourceLineNo">423</span> init(name.getMethodName(), conf);<a name="line.423"></a>
<span class="sourceLineNo">424</span><a name="line.424"></a>
<span class="sourceLineNo">425</span> int storeFileNum = 4;<a name="line.425"></a>
<span class="sourceLineNo">426</span> for (int i = 1; i &lt;= storeFileNum; i++) {<a name="line.426"></a>
<span class="sourceLineNo">427</span> LOG.info("Adding some data for the store file #"+i);<a name="line.427"></a>
<span class="sourceLineNo">428</span> this.store.add(new KeyValue(row, family, qf1, i, (byte[])null), null);<a name="line.428"></a>
<span class="sourceLineNo">429</span> this.store.add(new KeyValue(row, family, qf2, i, (byte[])null), null);<a name="line.429"></a>
<span class="sourceLineNo">430</span> this.store.add(new KeyValue(row, family, qf3, i, (byte[])null), null);<a name="line.430"></a>
<span class="sourceLineNo">431</span> flush(i);<a name="line.431"></a>
<span class="sourceLineNo">432</span> }<a name="line.432"></a>
<span class="sourceLineNo">433</span> // after flush; check the lowest time stamp<a name="line.433"></a>
<span class="sourceLineNo">434</span> long lowestTimeStampFromManager = StoreUtils.getLowestTimestamp(store.getStorefiles());<a name="line.434"></a>
<span class="sourceLineNo">435</span> long lowestTimeStampFromFS = getLowestTimeStampFromFS(fs, store.getStorefiles());<a name="line.435"></a>
<span class="sourceLineNo">436</span> assertEquals(lowestTimeStampFromManager,lowestTimeStampFromFS);<a name="line.436"></a>
<span class="sourceLineNo">437</span><a name="line.437"></a>
<span class="sourceLineNo">438</span> // after compact; check the lowest time stamp<a name="line.438"></a>
<span class="sourceLineNo">439</span> store.compact(store.requestCompaction().get(), NoLimitThroughputController.INSTANCE, null);<a name="line.439"></a>
<span class="sourceLineNo">440</span> lowestTimeStampFromManager = StoreUtils.getLowestTimestamp(store.getStorefiles());<a name="line.440"></a>
<span class="sourceLineNo">441</span> lowestTimeStampFromFS = getLowestTimeStampFromFS(fs, store.getStorefiles());<a name="line.441"></a>
<span class="sourceLineNo">442</span> assertEquals(lowestTimeStampFromManager, lowestTimeStampFromFS);<a name="line.442"></a>
<span class="sourceLineNo">443</span> }<a name="line.443"></a>
<span class="sourceLineNo">444</span><a name="line.444"></a>
<span class="sourceLineNo">445</span> private static long getLowestTimeStampFromFS(FileSystem fs,<a name="line.445"></a>
<span class="sourceLineNo">446</span> final Collection&lt;HStoreFile&gt; candidates) throws IOException {<a name="line.446"></a>
<span class="sourceLineNo">447</span> long minTs = Long.MAX_VALUE;<a name="line.447"></a>
<span class="sourceLineNo">448</span> if (candidates.isEmpty()) {<a name="line.448"></a>
<span class="sourceLineNo">449</span> return minTs;<a name="line.449"></a>
<span class="sourceLineNo">450</span> }<a name="line.450"></a>
<span class="sourceLineNo">451</span> Path[] p = new Path[candidates.size()];<a name="line.451"></a>
<span class="sourceLineNo">452</span> int i = 0;<a name="line.452"></a>
<span class="sourceLineNo">453</span> for (HStoreFile sf : candidates) {<a name="line.453"></a>
<span class="sourceLineNo">454</span> p[i] = sf.getPath();<a name="line.454"></a>
<span class="sourceLineNo">455</span> ++i;<a name="line.455"></a>
<span class="sourceLineNo">456</span> }<a name="line.456"></a>
<span class="sourceLineNo">457</span><a name="line.457"></a>
<span class="sourceLineNo">458</span> FileStatus[] stats = fs.listStatus(p);<a name="line.458"></a>
<span class="sourceLineNo">459</span> if (stats == null || stats.length == 0) {<a name="line.459"></a>
<span class="sourceLineNo">460</span> return minTs;<a name="line.460"></a>
<span class="sourceLineNo">461</span> }<a name="line.461"></a>
<span class="sourceLineNo">462</span> for (FileStatus s : stats) {<a name="line.462"></a>
<span class="sourceLineNo">463</span> minTs = Math.min(minTs, s.getModificationTime());<a name="line.463"></a>
<span class="sourceLineNo">464</span> }<a name="line.464"></a>
<span class="sourceLineNo">465</span> return minTs;<a name="line.465"></a>
<span class="sourceLineNo">466</span> }<a name="line.466"></a>
<span class="sourceLineNo">467</span><a name="line.467"></a>
<span class="sourceLineNo">468</span> //////////////////////////////////////////////////////////////////////////////<a name="line.468"></a>
<span class="sourceLineNo">469</span> // Get tests<a name="line.469"></a>
<span class="sourceLineNo">470</span> //////////////////////////////////////////////////////////////////////////////<a name="line.470"></a>
<span class="sourceLineNo">471</span><a name="line.471"></a>
<span class="sourceLineNo">472</span> private static final int BLOCKSIZE_SMALL = 8192;<a name="line.472"></a>
<span class="sourceLineNo">473</span> /**<a name="line.473"></a>
<span class="sourceLineNo">474</span> * Test for hbase-1686.<a name="line.474"></a>
<span class="sourceLineNo">475</span> * @throws IOException<a name="line.475"></a>
<span class="sourceLineNo">476</span> */<a name="line.476"></a>
<span class="sourceLineNo">477</span> @Test<a name="line.477"></a>
<span class="sourceLineNo">478</span> public void testEmptyStoreFile() throws IOException {<a name="line.478"></a>
<span class="sourceLineNo">479</span> init(this.name.getMethodName());<a name="line.479"></a>
<span class="sourceLineNo">480</span> // Write a store file.<a name="line.480"></a>
<span class="sourceLineNo">481</span> this.store.add(new KeyValue(row, family, qf1, 1, (byte[])null), null);<a name="line.481"></a>
<span class="sourceLineNo">482</span> this.store.add(new KeyValue(row, family, qf2, 1, (byte[])null), null);<a name="line.482"></a>
<span class="sourceLineNo">483</span> flush(1);<a name="line.483"></a>
<span class="sourceLineNo">484</span> // Now put in place an empty store file. Its a little tricky. Have to<a name="line.484"></a>
<span class="sourceLineNo">485</span> // do manually with hacked in sequence id.<a name="line.485"></a>
<span class="sourceLineNo">486</span> HStoreFile f = this.store.getStorefiles().iterator().next();<a name="line.486"></a>
<span class="sourceLineNo">487</span> Path storedir = f.getPath().getParent();<a name="line.487"></a>
<span class="sourceLineNo">488</span> long seqid = f.getMaxSequenceId();<a name="line.488"></a>
<span class="sourceLineNo">489</span> Configuration c = HBaseConfiguration.create();<a name="line.489"></a>
<span class="sourceLineNo">490</span> FileSystem fs = FileSystem.get(c);<a name="line.490"></a>
<span class="sourceLineNo">491</span> HFileContext meta = new HFileContextBuilder().withBlockSize(BLOCKSIZE_SMALL).build();<a name="line.491"></a>
<span class="sourceLineNo">492</span> StoreFileWriter w = new StoreFileWriter.Builder(c, new CacheConfig(c),<a name="line.492"></a>
<span class="sourceLineNo">493</span> fs)<a name="line.493"></a>
<span class="sourceLineNo">494</span> .withOutputDir(storedir)<a name="line.494"></a>
<span class="sourceLineNo">495</span> .withFileContext(meta)<a name="line.495"></a>
<span class="sourceLineNo">496</span> .build();<a name="line.496"></a>
<span class="sourceLineNo">497</span> w.appendMetadata(seqid + 1, false);<a name="line.497"></a>
<span class="sourceLineNo">498</span> w.close();<a name="line.498"></a>
<span class="sourceLineNo">499</span> this.store.close();<a name="line.499"></a>
<span class="sourceLineNo">500</span> // Reopen it... should pick up two files<a name="line.500"></a>
<span class="sourceLineNo">501</span> this.store =<a name="line.501"></a>
<span class="sourceLineNo">502</span> new HStore(this.store.getHRegion(), this.store.getColumnFamilyDescriptor(), c, false);<a name="line.502"></a>
<span class="sourceLineNo">503</span> assertEquals(2, this.store.getStorefilesCount());<a name="line.503"></a>
<span class="sourceLineNo">504</span><a name="line.504"></a>
<span class="sourceLineNo">505</span> result = HBaseTestingUtility.getFromStoreFile(store,<a name="line.505"></a>
<span class="sourceLineNo">506</span> get.getRow(),<a name="line.506"></a>
<span class="sourceLineNo">507</span> qualifiers);<a name="line.507"></a>
<span class="sourceLineNo">508</span> assertEquals(1, result.size());<a name="line.508"></a>
<span class="sourceLineNo">509</span> }<a name="line.509"></a>
<span class="sourceLineNo">510</span><a name="line.510"></a>
<span class="sourceLineNo">511</span> /**<a name="line.511"></a>
<span class="sourceLineNo">512</span> * Getting data from memstore only<a name="line.512"></a>
<span class="sourceLineNo">513</span> * @throws IOException<a name="line.513"></a>
<span class="sourceLineNo">514</span> */<a name="line.514"></a>
<span class="sourceLineNo">515</span> @Test<a name="line.515"></a>
<span class="sourceLineNo">516</span> public void testGet_FromMemStoreOnly() throws IOException {<a name="line.516"></a>
<span class="sourceLineNo">517</span> init(this.name.getMethodName());<a name="line.517"></a>
<span class="sourceLineNo">518</span><a name="line.518"></a>
<span class="sourceLineNo">519</span> //Put data in memstore<a name="line.519"></a>
<span class="sourceLineNo">520</span> this.store.add(new KeyValue(row, family, qf1, 1, (byte[])null), null);<a name="line.520"></a>
<span class="sourceLineNo">521</span> this.store.add(new KeyValue(row, family, qf2, 1, (byte[])null), null);<a name="line.521"></a>
<span class="sourceLineNo">522</span> this.store.add(new KeyValue(row, family, qf3, 1, (byte[])null), null);<a name="line.522"></a>
<span class="sourceLineNo">523</span> this.store.add(new KeyValue(row, family, qf4, 1, (byte[])null), null);<a name="line.523"></a>
<span class="sourceLineNo">524</span> this.store.add(new KeyValue(row, family, qf5, 1, (byte[])null), null);<a name="line.524"></a>
<span class="sourceLineNo">525</span> this.store.add(new KeyValue(row, family, qf6, 1, (byte[])null), null);<a name="line.525"></a>
<span class="sourceLineNo">526</span><a name="line.526"></a>
<span class="sourceLineNo">527</span> //Get<a name="line.527"></a>
<span class="sourceLineNo">528</span> result = HBaseTestingUtility.getFromStoreFile(store,<a name="line.528"></a>
<span class="sourceLineNo">529</span> get.getRow(), qualifiers);<a name="line.529"></a>
<span class="sourceLineNo">530</span><a name="line.530"></a>
<span class="sourceLineNo">531</span> //Compare<a name="line.531"></a>
<span class="sourceLineNo">532</span> assertCheck();<a name="line.532"></a>
<span class="sourceLineNo">533</span> }<a name="line.533"></a>
<span class="sourceLineNo">534</span><a name="line.534"></a>
<span class="sourceLineNo">535</span> @Test<a name="line.535"></a>
<span class="sourceLineNo">536</span> public void testTimeRangeIfSomeCellsAreDroppedInFlush() throws IOException {<a name="line.536"></a>
<span class="sourceLineNo">537</span> testTimeRangeIfSomeCellsAreDroppedInFlush(1);<a name="line.537"></a>
<span class="sourceLineNo">538</span> testTimeRangeIfSomeCellsAreDroppedInFlush(3);<a name="line.538"></a>
<span class="sourceLineNo">539</span> testTimeRangeIfSomeCellsAreDroppedInFlush(5);<a name="line.539"></a>
<span class="sourceLineNo">540</span> }<a name="line.540"></a>
<span class="sourceLineNo">541</span><a name="line.541"></a>
<span class="sourceLineNo">542</span> private void testTimeRangeIfSomeCellsAreDroppedInFlush(int maxVersion) throws IOException {<a name="line.542"></a>
<span class="sourceLineNo">543</span> init(this.name.getMethodName(), TEST_UTIL.getConfiguration(),<a name="line.543"></a>
<span class="sourceLineNo">544</span> ColumnFamilyDescriptorBuilder.newBuilder(family).setMaxVersions(maxVersion).build());<a name="line.544"></a>
<span class="sourceLineNo">545</span> long currentTs = 100;<a name="line.545"></a>
<span class="sourceLineNo">546</span> long minTs = currentTs;<a name="line.546"></a>
<span class="sourceLineNo">547</span> // the extra cell won't be flushed to disk,<a name="line.547"></a>
<span class="sourceLineNo">548</span> // so the min of timerange will be different between memStore and hfile.<a name="line.548"></a>
<span class="sourceLineNo">549</span> for (int i = 0; i != (maxVersion + 1); ++i) {<a name="line.549"></a>
<span class="sourceLineNo">550</span> this.store.add(new KeyValue(row, family, qf1, ++currentTs, (byte[])null), null);<a name="line.550"></a>
<span class="sourceLineNo">551</span> if (i == 1) {<a name="line.551"></a>
<span class="sourceLineNo">552</span> minTs = currentTs;<a name="line.552"></a>
<span class="sourceLineNo">553</span> }<a name="line.553"></a>
<span class="sourceLineNo">554</span> }<a name="line.554"></a>
<span class="sourceLineNo">555</span> flushStore(store, id++);<a name="line.555"></a>
<span class="sourceLineNo">556</span><a name="line.556"></a>
<span class="sourceLineNo">557</span> Collection&lt;HStoreFile&gt; files = store.getStorefiles();<a name="line.557"></a>
<span class="sourceLineNo">558</span> assertEquals(1, files.size());<a name="line.558"></a>
<span class="sourceLineNo">559</span> HStoreFile f = files.iterator().next();<a name="line.559"></a>
<span class="sourceLineNo">560</span> f.initReader();<a name="line.560"></a>
<span class="sourceLineNo">561</span> StoreFileReader reader = f.getReader();<a name="line.561"></a>
<span class="sourceLineNo">562</span> assertEquals(minTs, reader.timeRange.getMin());<a name="line.562"></a>
<span class="sourceLineNo">563</span> assertEquals(currentTs, reader.timeRange.getMax());<a name="line.563"></a>
<span class="sourceLineNo">564</span> }<a name="line.564"></a>
<span class="sourceLineNo">565</span><a name="line.565"></a>
<span class="sourceLineNo">566</span> /**<a name="line.566"></a>
<span class="sourceLineNo">567</span> * Getting data from files only<a name="line.567"></a>
<span class="sourceLineNo">568</span> * @throws IOException<a name="line.568"></a>
<span class="sourceLineNo">569</span> */<a name="line.569"></a>
<span class="sourceLineNo">570</span> @Test<a name="line.570"></a>
<span class="sourceLineNo">571</span> public void testGet_FromFilesOnly() throws IOException {<a name="line.571"></a>
<span class="sourceLineNo">572</span> init(this.name.getMethodName());<a name="line.572"></a>
<span class="sourceLineNo">573</span><a name="line.573"></a>
<span class="sourceLineNo">574</span> //Put data in memstore<a name="line.574"></a>
<span class="sourceLineNo">575</span> this.store.add(new KeyValue(row, family, qf1, 1, (byte[])null), null);<a name="line.575"></a>
<span class="sourceLineNo">576</span> this.store.add(new KeyValue(row, family, qf2, 1, (byte[])null), null);<a name="line.576"></a>
<span class="sourceLineNo">577</span> //flush<a name="line.577"></a>
<span class="sourceLineNo">578</span> flush(1);<a name="line.578"></a>
<span class="sourceLineNo">579</span><a name="line.579"></a>
<span class="sourceLineNo">580</span> //Add more data<a name="line.580"></a>
<span class="sourceLineNo">581</span> this.store.add(new KeyValue(row, family, qf3, 1, (byte[])null), null);<a name="line.581"></a>
<span class="sourceLineNo">582</span> this.store.add(new KeyValue(row, family, qf4, 1, (byte[])null), null);<a name="line.582"></a>
<span class="sourceLineNo">583</span> //flush<a name="line.583"></a>
<span class="sourceLineNo">584</span> flush(2);<a name="line.584"></a>
<span class="sourceLineNo">585</span><a name="line.585"></a>
<span class="sourceLineNo">586</span> //Add more data<a name="line.586"></a>
<span class="sourceLineNo">587</span> this.store.add(new KeyValue(row, family, qf5, 1, (byte[])null), null);<a name="line.587"></a>
<span class="sourceLineNo">588</span> this.store.add(new KeyValue(row, family, qf6, 1, (byte[])null), null);<a name="line.588"></a>
<span class="sourceLineNo">589</span> //flush<a name="line.589"></a>
<span class="sourceLineNo">590</span> flush(3);<a name="line.590"></a>
<span class="sourceLineNo">591</span><a name="line.591"></a>
<span class="sourceLineNo">592</span> //Get<a name="line.592"></a>
<span class="sourceLineNo">593</span> result = HBaseTestingUtility.getFromStoreFile(store,<a name="line.593"></a>
<span class="sourceLineNo">594</span> get.getRow(),<a name="line.594"></a>
<span class="sourceLineNo">595</span> qualifiers);<a name="line.595"></a>
<span class="sourceLineNo">596</span> //this.store.get(get, qualifiers, result);<a name="line.596"></a>
<span class="sourceLineNo">597</span><a name="line.597"></a>
<span class="sourceLineNo">598</span> //Need to sort the result since multiple files<a name="line.598"></a>
<span class="sourceLineNo">599</span> Collections.sort(result, CellComparatorImpl.COMPARATOR);<a name="line.599"></a>
<span class="sourceLineNo">600</span><a name="line.600"></a>
<span class="sourceLineNo">601</span> //Compare<a name="line.601"></a>
<span class="sourceLineNo">602</span> assertCheck();<a name="line.602"></a>
<span class="sourceLineNo">603</span> }<a name="line.603"></a>
<span class="sourceLineNo">604</span><a name="line.604"></a>
<span class="sourceLineNo">605</span> /**<a name="line.605"></a>
<span class="sourceLineNo">606</span> * Getting data from memstore and files<a name="line.606"></a>
<span class="sourceLineNo">607</span> * @throws IOException<a name="line.607"></a>
<span class="sourceLineNo">608</span> */<a name="line.608"></a>
<span class="sourceLineNo">609</span> @Test<a name="line.609"></a>
<span class="sourceLineNo">610</span> public void testGet_FromMemStoreAndFiles() throws IOException {<a name="line.610"></a>
<span class="sourceLineNo">611</span> init(this.name.getMethodName());<a name="line.611"></a>
<span class="sourceLineNo">612</span><a name="line.612"></a>
<span class="sourceLineNo">613</span> //Put data in memstore<a name="line.613"></a>
<span class="sourceLineNo">614</span> this.store.add(new KeyValue(row, family, qf1, 1, (byte[])null), null);<a name="line.614"></a>
<span class="sourceLineNo">615</span> this.store.add(new KeyValue(row, family, qf2, 1, (byte[])null), null);<a name="line.615"></a>
<span class="sourceLineNo">616</span> //flush<a name="line.616"></a>
<span class="sourceLineNo">617</span> flush(1);<a name="line.617"></a>
<span class="sourceLineNo">618</span><a name="line.618"></a>
<span class="sourceLineNo">619</span> //Add more data<a name="line.619"></a>
<span class="sourceLineNo">620</span> this.store.add(new KeyValue(row, family, qf3, 1, (byte[])null), null);<a name="line.620"></a>
<span class="sourceLineNo">621</span> this.store.add(new KeyValue(row, family, qf4, 1, (byte[])null), null);<a name="line.621"></a>
<span class="sourceLineNo">622</span> //flush<a name="line.622"></a>
<span class="sourceLineNo">623</span> flush(2);<a name="line.623"></a>
<span class="sourceLineNo">624</span><a name="line.624"></a>
<span class="sourceLineNo">625</span> //Add more data<a name="line.625"></a>
<span class="sourceLineNo">626</span> this.store.add(new KeyValue(row, family, qf5, 1, (byte[])null), null);<a name="line.626"></a>
<span class="sourceLineNo">627</span> this.store.add(new KeyValue(row, family, qf6, 1, (byte[])null), null);<a name="line.627"></a>
<span class="sourceLineNo">628</span><a name="line.628"></a>
<span class="sourceLineNo">629</span> //Get<a name="line.629"></a>
<span class="sourceLineNo">630</span> result = HBaseTestingUtility.getFromStoreFile(store,<a name="line.630"></a>
<span class="sourceLineNo">631</span> get.getRow(), qualifiers);<a name="line.631"></a>
<span class="sourceLineNo">632</span><a name="line.632"></a>
<span class="sourceLineNo">633</span> //Need to sort the result since multiple files<a name="line.633"></a>
<span class="sourceLineNo">634</span> Collections.sort(result, CellComparatorImpl.COMPARATOR);<a name="line.634"></a>
<span class="sourceLineNo">635</span><a name="line.635"></a>
<span class="sourceLineNo">636</span> //Compare<a name="line.636"></a>
<span class="sourceLineNo">637</span> assertCheck();<a name="line.637"></a>
<span class="sourceLineNo">638</span> }<a name="line.638"></a>
<span class="sourceLineNo">639</span><a name="line.639"></a>
<span class="sourceLineNo">640</span> private void flush(int storeFilessize) throws IOException{<a name="line.640"></a>
<span class="sourceLineNo">641</span> this.store.snapshot();<a name="line.641"></a>
<span class="sourceLineNo">642</span> flushStore(store, id++);<a name="line.642"></a>
<span class="sourceLineNo">643</span> assertEquals(storeFilessize, this.store.getStorefiles().size());<a name="line.643"></a>
<span class="sourceLineNo">644</span> assertEquals(0, ((AbstractMemStore)this.store.memstore).getActive().getCellsCount());<a name="line.644"></a>
<span class="sourceLineNo">645</span> }<a name="line.645"></a>
<span class="sourceLineNo">646</span><a name="line.646"></a>
<span class="sourceLineNo">647</span> private void assertCheck() {<a name="line.647"></a>
<span class="sourceLineNo">648</span> assertEquals(expected.size(), result.size());<a name="line.648"></a>
<span class="sourceLineNo">649</span> for(int i=0; i&lt;expected.size(); i++) {<a name="line.649"></a>
<span class="sourceLineNo">650</span> assertEquals(expected.get(i), result.get(i));<a name="line.650"></a>
<span class="sourceLineNo">651</span> }<a name="line.651"></a>
<span class="sourceLineNo">652</span> }<a name="line.652"></a>
<span class="sourceLineNo">653</span><a name="line.653"></a>
<span class="sourceLineNo">654</span> @After<a name="line.654"></a>
<span class="sourceLineNo">655</span> public void tearDown() throws Exception {<a name="line.655"></a>
<span class="sourceLineNo">656</span> EnvironmentEdgeManagerTestHelper.reset();<a name="line.656"></a>
<span class="sourceLineNo">657</span> if (store != null) {<a name="line.657"></a>
<span class="sourceLineNo">658</span> try {<a name="line.658"></a>
<span class="sourceLineNo">659</span> store.close();<a name="line.659"></a>
<span class="sourceLineNo">660</span> } catch (IOException e) {<a name="line.660"></a>
<span class="sourceLineNo">661</span> }<a name="line.661"></a>
<span class="sourceLineNo">662</span> store = null;<a name="line.662"></a>
<span class="sourceLineNo">663</span> }<a name="line.663"></a>
<span class="sourceLineNo">664</span> if (region != null) {<a name="line.664"></a>
<span class="sourceLineNo">665</span> region.close();<a name="line.665"></a>
<span class="sourceLineNo">666</span> region = null;<a name="line.666"></a>
<span class="sourceLineNo">667</span> }<a name="line.667"></a>
<span class="sourceLineNo">668</span> }<a name="line.668"></a>
<span class="sourceLineNo">669</span><a name="line.669"></a>
<span class="sourceLineNo">670</span> @AfterClass<a name="line.670"></a>
<span class="sourceLineNo">671</span> public static void tearDownAfterClass() throws IOException {<a name="line.671"></a>
<span class="sourceLineNo">672</span> TEST_UTIL.cleanupTestDir();<a name="line.672"></a>
<span class="sourceLineNo">673</span> }<a name="line.673"></a>
<span class="sourceLineNo">674</span><a name="line.674"></a>
<span class="sourceLineNo">675</span> @Test<a name="line.675"></a>
<span class="sourceLineNo">676</span> public void testHandleErrorsInFlush() throws Exception {<a name="line.676"></a>
<span class="sourceLineNo">677</span> LOG.info("Setting up a faulty file system that cannot write");<a name="line.677"></a>
<span class="sourceLineNo">678</span><a name="line.678"></a>
<span class="sourceLineNo">679</span> final Configuration conf = HBaseConfiguration.create(TEST_UTIL.getConfiguration());<a name="line.679"></a>
<span class="sourceLineNo">680</span> User user = User.createUserForTesting(conf,<a name="line.680"></a>
<span class="sourceLineNo">681</span> "testhandleerrorsinflush", new String[]{"foo"});<a name="line.681"></a>
<span class="sourceLineNo">682</span> // Inject our faulty LocalFileSystem<a name="line.682"></a>
<span class="sourceLineNo">683</span> conf.setClass("fs.file.impl", FaultyFileSystem.class,<a name="line.683"></a>
<span class="sourceLineNo">684</span> FileSystem.class);<a name="line.684"></a>
<span class="sourceLineNo">685</span> user.runAs(new PrivilegedExceptionAction&lt;Object&gt;() {<a name="line.685"></a>
<span class="sourceLineNo">686</span> @Override<a name="line.686"></a>
<span class="sourceLineNo">687</span> public Object run() throws Exception {<a name="line.687"></a>
<span class="sourceLineNo">688</span> // Make sure it worked (above is sensitive to caching details in hadoop core)<a name="line.688"></a>
<span class="sourceLineNo">689</span> FileSystem fs = FileSystem.get(conf);<a name="line.689"></a>
<span class="sourceLineNo">690</span> assertEquals(FaultyFileSystem.class, fs.getClass());<a name="line.690"></a>
<span class="sourceLineNo">691</span><a name="line.691"></a>
<span class="sourceLineNo">692</span> // Initialize region<a name="line.692"></a>
<span class="sourceLineNo">693</span> init(name.getMethodName(), conf);<a name="line.693"></a>
<span class="sourceLineNo">694</span><a name="line.694"></a>
<span class="sourceLineNo">695</span> LOG.info("Adding some data");<a name="line.695"></a>
<span class="sourceLineNo">696</span> store.add(new KeyValue(row, family, qf1, 1, (byte[])null), null);<a name="line.696"></a>
<span class="sourceLineNo">697</span> store.add(new KeyValue(row, family, qf2, 1, (byte[])null), null);<a name="line.697"></a>
<span class="sourceLineNo">698</span> store.add(new KeyValue(row, family, qf3, 1, (byte[])null), null);<a name="line.698"></a>
<span class="sourceLineNo">699</span><a name="line.699"></a>
<span class="sourceLineNo">700</span> LOG.info("Before flush, we should have no files");<a name="line.700"></a>
<span class="sourceLineNo">701</span><a name="line.701"></a>
<span class="sourceLineNo">702</span> Collection&lt;StoreFileInfo&gt; files =<a name="line.702"></a>
<span class="sourceLineNo">703</span> store.getRegionFileSystem().getStoreFiles(store.getColumnFamilyName());<a name="line.703"></a>
<span class="sourceLineNo">704</span> assertEquals(0, files != null ? files.size() : 0);<a name="line.704"></a>
<span class="sourceLineNo">705</span><a name="line.705"></a>
<span class="sourceLineNo">706</span> //flush<a name="line.706"></a>
<span class="sourceLineNo">707</span> try {<a name="line.707"></a>
<span class="sourceLineNo">708</span> LOG.info("Flushing");<a name="line.708"></a>
<span class="sourceLineNo">709</span> flush(1);<a name="line.709"></a>
<span class="sourceLineNo">710</span> fail("Didn't bubble up IOE!");<a name="line.710"></a>
<span class="sourceLineNo">711</span> } catch (IOException ioe) {<a name="line.711"></a>
<span class="sourceLineNo">712</span> assertTrue(ioe.getMessage().contains("Fault injected"));<a name="line.712"></a>
<span class="sourceLineNo">713</span> }<a name="line.713"></a>
<span class="sourceLineNo">714</span><a name="line.714"></a>
<span class="sourceLineNo">715</span> LOG.info("After failed flush, we should still have no files!");<a name="line.715"></a>
<span class="sourceLineNo">716</span> files = store.getRegionFileSystem().getStoreFiles(store.getColumnFamilyName());<a name="line.716"></a>
<span class="sourceLineNo">717</span> assertEquals(0, files != null ? files.size() : 0);<a name="line.717"></a>
<span class="sourceLineNo">718</span> store.getHRegion().getWAL().close();<a name="line.718"></a>
<span class="sourceLineNo">719</span> return null;<a name="line.719"></a>
<span class="sourceLineNo">720</span> }<a name="line.720"></a>
<span class="sourceLineNo">721</span> });<a name="line.721"></a>
<span class="sourceLineNo">722</span> FileSystem.closeAllForUGI(user.getUGI());<a name="line.722"></a>
<span class="sourceLineNo">723</span> }<a name="line.723"></a>
<span class="sourceLineNo">724</span><a name="line.724"></a>
<span class="sourceLineNo">725</span> /**<a name="line.725"></a>
<span class="sourceLineNo">726</span> * Faulty file system that will fail if you write past its fault position the FIRST TIME<a name="line.726"></a>
<span class="sourceLineNo">727</span> * only; thereafter it will succeed. Used by {@link TestHRegion} too.<a name="line.727"></a>
<span class="sourceLineNo">728</span> */<a name="line.728"></a>
<span class="sourceLineNo">729</span> static class FaultyFileSystem extends FilterFileSystem {<a name="line.729"></a>
<span class="sourceLineNo">730</span> List&lt;SoftReference&lt;FaultyOutputStream&gt;&gt; outStreams = new ArrayList&lt;&gt;();<a name="line.730"></a>
<span class="sourceLineNo">731</span> private long faultPos = 200;<a name="line.731"></a>
<span class="sourceLineNo">732</span> AtomicBoolean fault = new AtomicBoolean(true);<a name="line.732"></a>
<span class="sourceLineNo">733</span><a name="line.733"></a>
<span class="sourceLineNo">734</span> public FaultyFileSystem() {<a name="line.734"></a>
<span class="sourceLineNo">735</span> super(new LocalFileSystem());<a name="line.735"></a>
<span class="sourceLineNo">736</span> System.err.println("Creating faulty!");<a name="line.736"></a>
<span class="sourceLineNo">737</span> }<a name="line.737"></a>
<span class="sourceLineNo">738</span><a name="line.738"></a>
<span class="sourceLineNo">739</span> @Override<a name="line.739"></a>
<span class="sourceLineNo">740</span> public FSDataOutputStream create(Path p) throws IOException {<a name="line.740"></a>
<span class="sourceLineNo">741</span> return new FaultyOutputStream(super.create(p), faultPos, fault);<a name="line.741"></a>
<span class="sourceLineNo">742</span> }<a name="line.742"></a>
<span class="sourceLineNo">743</span><a name="line.743"></a>
<span class="sourceLineNo">744</span> @Override<a name="line.744"></a>
<span class="sourceLineNo">745</span> public FSDataOutputStream create(Path f, FsPermission permission,<a name="line.745"></a>
<span class="sourceLineNo">746</span> boolean overwrite, int bufferSize, short replication, long blockSize,<a name="line.746"></a>
<span class="sourceLineNo">747</span> Progressable progress) throws IOException {<a name="line.747"></a>
<span class="sourceLineNo">748</span> return new FaultyOutputStream(super.create(f, permission,<a name="line.748"></a>
<span class="sourceLineNo">749</span> overwrite, bufferSize, replication, blockSize, progress), faultPos, fault);<a name="line.749"></a>
<span class="sourceLineNo">750</span> }<a name="line.750"></a>
<span class="sourceLineNo">751</span><a name="line.751"></a>
<span class="sourceLineNo">752</span> @Override<a name="line.752"></a>
<span class="sourceLineNo">753</span> public FSDataOutputStream createNonRecursive(Path f, boolean overwrite,<a name="line.753"></a>
<span class="sourceLineNo">754</span> int bufferSize, short replication, long blockSize, Progressable progress)<a name="line.754"></a>
<span class="sourceLineNo">755</span> throws IOException {<a name="line.755"></a>
<span class="sourceLineNo">756</span> // Fake it. Call create instead. The default implementation throws an IOE<a name="line.756"></a>
<span class="sourceLineNo">757</span> // that this is not supported.<a name="line.757"></a>
<span class="sourceLineNo">758</span> return create(f, overwrite, bufferSize, replication, blockSize, progress);<a name="line.758"></a>
<span class="sourceLineNo">759</span> }<a name="line.759"></a>
<span class="sourceLineNo">760</span> }<a name="line.760"></a>
<span class="sourceLineNo">761</span><a name="line.761"></a>
<span class="sourceLineNo">762</span> static class FaultyOutputStream extends FSDataOutputStream {<a name="line.762"></a>
<span class="sourceLineNo">763</span> volatile long faultPos = Long.MAX_VALUE;<a name="line.763"></a>
<span class="sourceLineNo">764</span> private final AtomicBoolean fault;<a name="line.764"></a>
<span class="sourceLineNo">765</span><a name="line.765"></a>
<span class="sourceLineNo">766</span> public FaultyOutputStream(FSDataOutputStream out, long faultPos, final AtomicBoolean fault)<a name="line.766"></a>
<span class="sourceLineNo">767</span> throws IOException {<a name="line.767"></a>
<span class="sourceLineNo">768</span> super(out, null);<a name="line.768"></a>
<span class="sourceLineNo">769</span> this.faultPos = faultPos;<a name="line.769"></a>
<span class="sourceLineNo">770</span> this.fault = fault;<a name="line.770"></a>
<span class="sourceLineNo">771</span> }<a name="line.771"></a>
<span class="sourceLineNo">772</span><a name="line.772"></a>
<span class="sourceLineNo">773</span> @Override<a name="line.773"></a>
<span class="sourceLineNo">774</span> public synchronized void write(byte[] buf, int offset, int length) throws IOException {<a name="line.774"></a>
<span class="sourceLineNo">775</span> System.err.println("faulty stream write at pos " + getPos());<a name="line.775"></a>
<span class="sourceLineNo">776</span> injectFault();<a name="line.776"></a>
<span class="sourceLineNo">777</span> super.write(buf, offset, length);<a name="line.777"></a>
<span class="sourceLineNo">778</span> }<a name="line.778"></a>
<span class="sourceLineNo">779</span><a name="line.779"></a>
<span class="sourceLineNo">780</span> private void injectFault() throws IOException {<a name="line.780"></a>
<span class="sourceLineNo">781</span> if (this.fault.get() &amp;&amp; getPos() &gt;= faultPos) {<a name="line.781"></a>
<span class="sourceLineNo">782</span> throw new IOException("Fault injected");<a name="line.782"></a>
<span class="sourceLineNo">783</span> }<a name="line.783"></a>
<span class="sourceLineNo">784</span> }<a name="line.784"></a>
<span class="sourceLineNo">785</span> }<a name="line.785"></a>
<span class="sourceLineNo">786</span><a name="line.786"></a>
<span class="sourceLineNo">787</span> private static void flushStore(HStore store, long id) throws IOException {<a name="line.787"></a>
<span class="sourceLineNo">788</span> StoreFlushContext storeFlushCtx = store.createFlushContext(id, FlushLifeCycleTracker.DUMMY);<a name="line.788"></a>
<span class="sourceLineNo">789</span> storeFlushCtx.prepare();<a name="line.789"></a>
<span class="sourceLineNo">790</span> storeFlushCtx.flushCache(Mockito.mock(MonitoredTask.class));<a name="line.790"></a>
<span class="sourceLineNo">791</span> storeFlushCtx.commit(Mockito.mock(MonitoredTask.class));<a name="line.791"></a>
<span class="sourceLineNo">792</span> }<a name="line.792"></a>
<span class="sourceLineNo">793</span><a name="line.793"></a>
<span class="sourceLineNo">794</span> /**<a name="line.794"></a>
<span class="sourceLineNo">795</span> * Generate a list of KeyValues for testing based on given parameters<a name="line.795"></a>
<span class="sourceLineNo">796</span> * @param timestamps<a name="line.796"></a>
<span class="sourceLineNo">797</span> * @param numRows<a name="line.797"></a>
<span class="sourceLineNo">798</span> * @param qualifier<a name="line.798"></a>
<span class="sourceLineNo">799</span> * @param family<a name="line.799"></a>
<span class="sourceLineNo">800</span> * @return the rows key-value list<a name="line.800"></a>
<span class="sourceLineNo">801</span> */<a name="line.801"></a>
<span class="sourceLineNo">802</span> List&lt;Cell&gt; getKeyValueSet(long[] timestamps, int numRows,<a name="line.802"></a>
<span class="sourceLineNo">803</span> byte[] qualifier, byte[] family) {<a name="line.803"></a>
<span class="sourceLineNo">804</span> List&lt;Cell&gt; kvList = new ArrayList&lt;&gt;();<a name="line.804"></a>
<span class="sourceLineNo">805</span> for (int i=1;i&lt;=numRows;i++) {<a name="line.805"></a>
<span class="sourceLineNo">806</span> byte[] b = Bytes.toBytes(i);<a name="line.806"></a>
<span class="sourceLineNo">807</span> for (long timestamp: timestamps) {<a name="line.807"></a>
<span class="sourceLineNo">808</span> kvList.add(new KeyValue(b, family, qualifier, timestamp, b));<a name="line.808"></a>
<span class="sourceLineNo">809</span> }<a name="line.809"></a>
<span class="sourceLineNo">810</span> }<a name="line.810"></a>
<span class="sourceLineNo">811</span> return kvList;<a name="line.811"></a>
<span class="sourceLineNo">812</span> }<a name="line.812"></a>
<span class="sourceLineNo">813</span><a name="line.813"></a>
<span class="sourceLineNo">814</span> /**<a name="line.814"></a>
<span class="sourceLineNo">815</span> * Test to ensure correctness when using Stores with multiple timestamps<a name="line.815"></a>
<span class="sourceLineNo">816</span> * @throws IOException<a name="line.816"></a>
<span class="sourceLineNo">817</span> */<a name="line.817"></a>
<span class="sourceLineNo">818</span> @Test<a name="line.818"></a>
<span class="sourceLineNo">819</span> public void testMultipleTimestamps() throws IOException {<a name="line.819"></a>
<span class="sourceLineNo">820</span> int numRows = 1;<a name="line.820"></a>
<span class="sourceLineNo">821</span> long[] timestamps1 = new long[] {1,5,10,20};<a name="line.821"></a>
<span class="sourceLineNo">822</span> long[] timestamps2 = new long[] {30,80};<a name="line.822"></a>
<span class="sourceLineNo">823</span><a name="line.823"></a>
<span class="sourceLineNo">824</span> init(this.name.getMethodName());<a name="line.824"></a>
<span class="sourceLineNo">825</span><a name="line.825"></a>
<span class="sourceLineNo">826</span> List&lt;Cell&gt; kvList1 = getKeyValueSet(timestamps1,numRows, qf1, family);<a name="line.826"></a>
<span class="sourceLineNo">827</span> for (Cell kv : kvList1) {<a name="line.827"></a>
<span class="sourceLineNo">828</span> this.store.add(kv, null);<a name="line.828"></a>
<span class="sourceLineNo">829</span> }<a name="line.829"></a>
<span class="sourceLineNo">830</span><a name="line.830"></a>
<span class="sourceLineNo">831</span> this.store.snapshot();<a name="line.831"></a>
<span class="sourceLineNo">832</span> flushStore(store, id++);<a name="line.832"></a>
<span class="sourceLineNo">833</span><a name="line.833"></a>
<span class="sourceLineNo">834</span> List&lt;Cell&gt; kvList2 = getKeyValueSet(timestamps2,numRows, qf1, family);<a name="line.834"></a>
<span class="sourceLineNo">835</span> for(Cell kv : kvList2) {<a name="line.835"></a>
<span class="sourceLineNo">836</span> this.store.add(kv, null);<a name="line.836"></a>
<span class="sourceLineNo">837</span> }<a name="line.837"></a>
<span class="sourceLineNo">838</span><a name="line.838"></a>
<span class="sourceLineNo">839</span> List&lt;Cell&gt; result;<a name="line.839"></a>
<span class="sourceLineNo">840</span> Get get = new Get(Bytes.toBytes(1));<a name="line.840"></a>
<span class="sourceLineNo">841</span> get.addColumn(family,qf1);<a name="line.841"></a>
<span class="sourceLineNo">842</span><a name="line.842"></a>
<span class="sourceLineNo">843</span> get.setTimeRange(0,15);<a name="line.843"></a>
<span class="sourceLineNo">844</span> result = HBaseTestingUtility.getFromStoreFile(store, get);<a name="line.844"></a>
<span class="sourceLineNo">845</span> assertTrue(result.size()&gt;0);<a name="line.845"></a>
<span class="sourceLineNo">846</span><a name="line.846"></a>
<span class="sourceLineNo">847</span> get.setTimeRange(40,90);<a name="line.847"></a>
<span class="sourceLineNo">848</span> result = HBaseTestingUtility.getFromStoreFile(store, get);<a name="line.848"></a>
<span class="sourceLineNo">849</span> assertTrue(result.size()&gt;0);<a name="line.849"></a>
<span class="sourceLineNo">850</span><a name="line.850"></a>
<span class="sourceLineNo">851</span> get.setTimeRange(10,45);<a name="line.851"></a>
<span class="sourceLineNo">852</span> result = HBaseTestingUtility.getFromStoreFile(store, get);<a name="line.852"></a>
<span class="sourceLineNo">853</span> assertTrue(result.size()&gt;0);<a name="line.853"></a>
<span class="sourceLineNo">854</span><a name="line.854"></a>
<span class="sourceLineNo">855</span> get.setTimeRange(80,145);<a name="line.855"></a>
<span class="sourceLineNo">856</span> result = HBaseTestingUtility.getFromStoreFile(store, get);<a name="line.856"></a>
<span class="sourceLineNo">857</span> assertTrue(result.size()&gt;0);<a name="line.857"></a>
<span class="sourceLineNo">858</span><a name="line.858"></a>
<span class="sourceLineNo">859</span> get.setTimeRange(1,2);<a name="line.859"></a>
<span class="sourceLineNo">860</span> result = HBaseTestingUtility.getFromStoreFile(store, get);<a name="line.860"></a>
<span class="sourceLineNo">861</span> assertTrue(result.size()&gt;0);<a name="line.861"></a>
<span class="sourceLineNo">862</span><a name="line.862"></a>
<span class="sourceLineNo">863</span> get.setTimeRange(90,200);<a name="line.863"></a>
<span class="sourceLineNo">864</span> result = HBaseTestingUtility.getFromStoreFile(store, get);<a name="line.864"></a>
<span class="sourceLineNo">865</span> assertTrue(result.size()==0);<a name="line.865"></a>
<span class="sourceLineNo">866</span> }<a name="line.866"></a>
<span class="sourceLineNo">867</span><a name="line.867"></a>
<span class="sourceLineNo">868</span> /**<a name="line.868"></a>
<span class="sourceLineNo">869</span> * Test for HBASE-3492 - Test split on empty colfam (no store files).<a name="line.869"></a>
<span class="sourceLineNo">870</span> *<a name="line.870"></a>
<span class="sourceLineNo">871</span> * @throws IOException When the IO operations fail.<a name="line.871"></a>
<span class="sourceLineNo">872</span> */<a name="line.872"></a>
<span class="sourceLineNo">873</span> @Test<a name="line.873"></a>
<span class="sourceLineNo">874</span> public void testSplitWithEmptyColFam() throws IOException {<a name="line.874"></a>
<span class="sourceLineNo">875</span> init(this.name.getMethodName());<a name="line.875"></a>
<span class="sourceLineNo">876</span> assertFalse(store.getSplitPoint().isPresent());<a name="line.876"></a>
<span class="sourceLineNo">877</span> }<a name="line.877"></a>
<span class="sourceLineNo">878</span><a name="line.878"></a>
<span class="sourceLineNo">879</span> @Test<a name="line.879"></a>
<span class="sourceLineNo">880</span> public void testStoreUsesConfigurationFromHcdAndHtd() throws Exception {<a name="line.880"></a>
<span class="sourceLineNo">881</span> final String CONFIG_KEY = "hbase.regionserver.thread.compaction.throttle";<a name="line.881"></a>
<span class="sourceLineNo">882</span> long anyValue = 10;<a name="line.882"></a>
<span class="sourceLineNo">883</span><a name="line.883"></a>
<span class="sourceLineNo">884</span> // We'll check that it uses correct config and propagates it appropriately by going thru<a name="line.884"></a>
<span class="sourceLineNo">885</span> // the simplest "real" path I can find - "throttleCompaction", which just checks whether<a name="line.885"></a>
<span class="sourceLineNo">886</span> // a number we pass in is higher than some config value, inside compactionPolicy.<a name="line.886"></a>
<span class="sourceLineNo">887</span> Configuration conf = HBaseConfiguration.create();<a name="line.887"></a>
<span class="sourceLineNo">888</span> conf.setLong(CONFIG_KEY, anyValue);<a name="line.888"></a>
<span class="sourceLineNo">889</span> init(name.getMethodName() + "-xml", conf);<a name="line.889"></a>
<span class="sourceLineNo">890</span> assertTrue(store.throttleCompaction(anyValue + 1));<a name="line.890"></a>
<span class="sourceLineNo">891</span> assertFalse(store.throttleCompaction(anyValue));<a name="line.891"></a>
<span class="sourceLineNo">892</span><a name="line.892"></a>
<span class="sourceLineNo">893</span> // HTD overrides XML.<a name="line.893"></a>
<span class="sourceLineNo">894</span> --anyValue;<a name="line.894"></a>
<span class="sourceLineNo">895</span> init(name.getMethodName() + "-htd", conf, TableDescriptorBuilder<a name="line.895"></a>
<span class="sourceLineNo">896</span> .newBuilder(TableName.valueOf(table)).setValue(CONFIG_KEY, Long.toString(anyValue)),<a name="line.896"></a>
<span class="sourceLineNo">897</span> ColumnFamilyDescriptorBuilder.of(family));<a name="line.897"></a>
<span class="sourceLineNo">898</span> assertTrue(store.throttleCompaction(anyValue + 1));<a name="line.898"></a>
<span class="sourceLineNo">899</span> assertFalse(store.throttleCompaction(anyValue));<a name="line.899"></a>
<span class="sourceLineNo">900</span><a name="line.900"></a>
<span class="sourceLineNo">901</span> // HCD overrides them both.<a name="line.901"></a>
<span class="sourceLineNo">902</span> --anyValue;<a name="line.902"></a>
<span class="sourceLineNo">903</span> init(name.getMethodName() + "-hcd", conf,<a name="line.903"></a>
<span class="sourceLineNo">904</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(table)).setValue(CONFIG_KEY,<a name="line.904"></a>
<span class="sourceLineNo">905</span> Long.toString(anyValue)),<a name="line.905"></a>
<span class="sourceLineNo">906</span> ColumnFamilyDescriptorBuilder.newBuilder(family).setValue(CONFIG_KEY, Long.toString(anyValue))<a name="line.906"></a>
<span class="sourceLineNo">907</span> .build());<a name="line.907"></a>
<span class="sourceLineNo">908</span> assertTrue(store.throttleCompaction(anyValue + 1));<a name="line.908"></a>
<span class="sourceLineNo">909</span> assertFalse(store.throttleCompaction(anyValue));<a name="line.909"></a>
<span class="sourceLineNo">910</span> }<a name="line.910"></a>
<span class="sourceLineNo">911</span><a name="line.911"></a>
<span class="sourceLineNo">912</span> public static class DummyStoreEngine extends DefaultStoreEngine {<a name="line.912"></a>
<span class="sourceLineNo">913</span> public static DefaultCompactor lastCreatedCompactor = null;<a name="line.913"></a>
<span class="sourceLineNo">914</span><a name="line.914"></a>
<span class="sourceLineNo">915</span> @Override<a name="line.915"></a>
<span class="sourceLineNo">916</span> protected void createComponents(Configuration conf, HStore store, CellComparator comparator)<a name="line.916"></a>
<span class="sourceLineNo">917</span> throws IOException {<a name="line.917"></a>
<span class="sourceLineNo">918</span> super.createComponents(conf, store, comparator);<a name="line.918"></a>
<span class="sourceLineNo">919</span> lastCreatedCompactor = this.compactor;<a name="line.919"></a>
<span class="sourceLineNo">920</span> }<a name="line.920"></a>
<span class="sourceLineNo">921</span> }<a name="line.921"></a>
<span class="sourceLineNo">922</span><a name="line.922"></a>
<span class="sourceLineNo">923</span> @Test<a name="line.923"></a>
<span class="sourceLineNo">924</span> public void testStoreUsesSearchEngineOverride() throws Exception {<a name="line.924"></a>
<span class="sourceLineNo">925</span> Configuration conf = HBaseConfiguration.create();<a name="line.925"></a>
<span class="sourceLineNo">926</span> conf.set(StoreEngine.STORE_ENGINE_CLASS_KEY, DummyStoreEngine.class.getName());<a name="line.926"></a>
<span class="sourceLineNo">927</span> init(this.name.getMethodName(), conf);<a name="line.927"></a>
<span class="sourceLineNo">928</span> assertEquals(DummyStoreEngine.lastCreatedCompactor,<a name="line.928"></a>
<span class="sourceLineNo">929</span> this.store.storeEngine.getCompactor());<a name="line.929"></a>
<span class="sourceLineNo">930</span> }<a name="line.930"></a>
<span class="sourceLineNo">931</span><a name="line.931"></a>
<span class="sourceLineNo">932</span> private void addStoreFile() throws IOException {<a name="line.932"></a>
<span class="sourceLineNo">933</span> HStoreFile f = this.store.getStorefiles().iterator().next();<a name="line.933"></a>
<span class="sourceLineNo">934</span> Path storedir = f.getPath().getParent();<a name="line.934"></a>
<span class="sourceLineNo">935</span> long seqid = this.store.getMaxSequenceId().orElse(0L);<a name="line.935"></a>
<span class="sourceLineNo">936</span> Configuration c = TEST_UTIL.getConfiguration();<a name="line.936"></a>
<span class="sourceLineNo">937</span> FileSystem fs = FileSystem.get(c);<a name="line.937"></a>
<span class="sourceLineNo">938</span> HFileContext fileContext = new HFileContextBuilder().withBlockSize(BLOCKSIZE_SMALL).build();<a name="line.938"></a>
<span class="sourceLineNo">939</span> StoreFileWriter w = new StoreFileWriter.Builder(c, new CacheConfig(c),<a name="line.939"></a>
<span class="sourceLineNo">940</span> fs)<a name="line.940"></a>
<span class="sourceLineNo">941</span> .withOutputDir(storedir)<a name="line.941"></a>
<span class="sourceLineNo">942</span> .withFileContext(fileContext)<a name="line.942"></a>
<span class="sourceLineNo">943</span> .build();<a name="line.943"></a>
<span class="sourceLineNo">944</span> w.appendMetadata(seqid + 1, false);<a name="line.944"></a>
<span class="sourceLineNo">945</span> w.close();<a name="line.945"></a>
<span class="sourceLineNo">946</span> LOG.info("Added store file:" + w.getPath());<a name="line.946"></a>
<span class="sourceLineNo">947</span> }<a name="line.947"></a>
<span class="sourceLineNo">948</span><a name="line.948"></a>
<span class="sourceLineNo">949</span> private void archiveStoreFile(int index) throws IOException {<a name="line.949"></a>
<span class="sourceLineNo">950</span> Collection&lt;HStoreFile&gt; files = this.store.getStorefiles();<a name="line.950"></a>
<span class="sourceLineNo">951</span> HStoreFile sf = null;<a name="line.951"></a>
<span class="sourceLineNo">952</span> Iterator&lt;HStoreFile&gt; it = files.iterator();<a name="line.952"></a>
<span class="sourceLineNo">953</span> for (int i = 0; i &lt;= index; i++) {<a name="line.953"></a>
<span class="sourceLineNo">954</span> sf = it.next();<a name="line.954"></a>
<span class="sourceLineNo">955</span> }<a name="line.955"></a>
<span class="sourceLineNo">956</span> store.getRegionFileSystem().removeStoreFiles(store.getColumnFamilyName(), Lists.newArrayList(sf));<a name="line.956"></a>
<span class="sourceLineNo">957</span> }<a name="line.957"></a>
<span class="sourceLineNo">958</span><a name="line.958"></a>
<span class="sourceLineNo">959</span> private void closeCompactedFile(int index) throws IOException {<a name="line.959"></a>
<span class="sourceLineNo">960</span> Collection&lt;HStoreFile&gt; files =<a name="line.960"></a>
<span class="sourceLineNo">961</span> this.store.getStoreEngine().getStoreFileManager().getCompactedfiles();<a name="line.961"></a>
<span class="sourceLineNo">962</span> HStoreFile sf = null;<a name="line.962"></a>
<span class="sourceLineNo">963</span> Iterator&lt;HStoreFile&gt; it = files.iterator();<a name="line.963"></a>
<span class="sourceLineNo">964</span> for (int i = 0; i &lt;= index; i++) {<a name="line.964"></a>
<span class="sourceLineNo">965</span> sf = it.next();<a name="line.965"></a>
<span class="sourceLineNo">966</span> }<a name="line.966"></a>
<span class="sourceLineNo">967</span> sf.closeStoreFile(true);<a name="line.967"></a>
<span class="sourceLineNo">968</span> store.getStoreEngine().getStoreFileManager().removeCompactedFiles(Lists.newArrayList(sf));<a name="line.968"></a>
<span class="sourceLineNo">969</span> }<a name="line.969"></a>
<span class="sourceLineNo">970</span><a name="line.970"></a>
<span class="sourceLineNo">971</span> @Test<a name="line.971"></a>
<span class="sourceLineNo">972</span> public void testRefreshStoreFiles() throws Exception {<a name="line.972"></a>
<span class="sourceLineNo">973</span> init(name.getMethodName());<a name="line.973"></a>
<span class="sourceLineNo">974</span><a name="line.974"></a>
<span class="sourceLineNo">975</span> assertEquals(0, this.store.getStorefilesCount());<a name="line.975"></a>
<span class="sourceLineNo">976</span><a name="line.976"></a>
<span class="sourceLineNo">977</span> // Test refreshing store files when no store files are there<a name="line.977"></a>
<span class="sourceLineNo">978</span> store.refreshStoreFiles();<a name="line.978"></a>
<span class="sourceLineNo">979</span> assertEquals(0, this.store.getStorefilesCount());<a name="line.979"></a>
<span class="sourceLineNo">980</span><a name="line.980"></a>
<span class="sourceLineNo">981</span> // add some data, flush<a name="line.981"></a>
<span class="sourceLineNo">982</span> this.store.add(new KeyValue(row, family, qf1, 1, (byte[])null), null);<a name="line.982"></a>
<span class="sourceLineNo">983</span> flush(1);<a name="line.983"></a>
<span class="sourceLineNo">984</span> assertEquals(1, this.store.getStorefilesCount());<a name="line.984"></a>
<span class="sourceLineNo">985</span><a name="line.985"></a>
<span class="sourceLineNo">986</span> // add one more file<a name="line.986"></a>
<span class="sourceLineNo">987</span> addStoreFile();<a name="line.987"></a>
<span class="sourceLineNo">988</span><a name="line.988"></a>
<span class="sourceLineNo">989</span> assertEquals(1, this.store.getStorefilesCount());<a name="line.989"></a>
<span class="sourceLineNo">990</span> store.refreshStoreFiles();<a name="line.990"></a>
<span class="sourceLineNo">991</span> assertEquals(2, this.store.getStorefilesCount());<a name="line.991"></a>
<span class="sourceLineNo">992</span><a name="line.992"></a>
<span class="sourceLineNo">993</span> // add three more files<a name="line.993"></a>
<span class="sourceLineNo">994</span> addStoreFile();<a name="line.994"></a>
<span class="sourceLineNo">995</span> addStoreFile();<a name="line.995"></a>
<span class="sourceLineNo">996</span> addStoreFile();<a name="line.996"></a>
<span class="sourceLineNo">997</span><a name="line.997"></a>
<span class="sourceLineNo">998</span> assertEquals(2, this.store.getStorefilesCount());<a name="line.998"></a>
<span class="sourceLineNo">999</span> store.refreshStoreFiles();<a name="line.999"></a>
<span class="sourceLineNo">1000</span> assertEquals(5, this.store.getStorefilesCount());<a name="line.1000"></a>
<span class="sourceLineNo">1001</span><a name="line.1001"></a>
<span class="sourceLineNo">1002</span> closeCompactedFile(0);<a name="line.1002"></a>
<span class="sourceLineNo">1003</span> archiveStoreFile(0);<a name="line.1003"></a>
<span class="sourceLineNo">1004</span><a name="line.1004"></a>
<span class="sourceLineNo">1005</span> assertEquals(5, this.store.getStorefilesCount());<a name="line.1005"></a>
<span class="sourceLineNo">1006</span> store.refreshStoreFiles();<a name="line.1006"></a>
<span class="sourceLineNo">1007</span> assertEquals(4, this.store.getStorefilesCount());<a name="line.1007"></a>
<span class="sourceLineNo">1008</span><a name="line.1008"></a>
<span class="sourceLineNo">1009</span> archiveStoreFile(0);<a name="line.1009"></a>
<span class="sourceLineNo">1010</span> archiveStoreFile(1);<a name="line.1010"></a>
<span class="sourceLineNo">1011</span> archiveStoreFile(2);<a name="line.1011"></a>
<span class="sourceLineNo">1012</span><a name="line.1012"></a>
<span class="sourceLineNo">1013</span> assertEquals(4, this.store.getStorefilesCount());<a name="line.1013"></a>
<span class="sourceLineNo">1014</span> store.refreshStoreFiles();<a name="line.1014"></a>
<span class="sourceLineNo">1015</span> assertEquals(1, this.store.getStorefilesCount());<a name="line.1015"></a>
<span class="sourceLineNo">1016</span><a name="line.1016"></a>
<span class="sourceLineNo">1017</span> archiveStoreFile(0);<a name="line.1017"></a>
<span class="sourceLineNo">1018</span> store.refreshStoreFiles();<a name="line.1018"></a>
<span class="sourceLineNo">1019</span> assertEquals(0, this.store.getStorefilesCount());<a name="line.1019"></a>
<span class="sourceLineNo">1020</span> }<a name="line.1020"></a>
<span class="sourceLineNo">1021</span><a name="line.1021"></a>
<span class="sourceLineNo">1022</span> @Test<a name="line.1022"></a>
<span class="sourceLineNo">1023</span> public void testRefreshStoreFilesNotChanged() throws IOException {<a name="line.1023"></a>
<span class="sourceLineNo">1024</span> init(name.getMethodName());<a name="line.1024"></a>
<span class="sourceLineNo">1025</span><a name="line.1025"></a>
<span class="sourceLineNo">1026</span> assertEquals(0, this.store.getStorefilesCount());<a name="line.1026"></a>
<span class="sourceLineNo">1027</span><a name="line.1027"></a>
<span class="sourceLineNo">1028</span> // add some data, flush<a name="line.1028"></a>
<span class="sourceLineNo">1029</span> this.store.add(new KeyValue(row, family, qf1, 1, (byte[])null), null);<a name="line.1029"></a>
<span class="sourceLineNo">1030</span> flush(1);<a name="line.1030"></a>
<span class="sourceLineNo">1031</span> // add one more file<a name="line.1031"></a>
<span class="sourceLineNo">1032</span> addStoreFile();<a name="line.1032"></a>
<span class="sourceLineNo">1033</span><a name="line.1033"></a>
<span class="sourceLineNo">1034</span> HStore spiedStore = spy(store);<a name="line.1034"></a>
<span class="sourceLineNo">1035</span><a name="line.1035"></a>
<span class="sourceLineNo">1036</span> // call first time after files changed<a name="line.1036"></a>
<span class="sourceLineNo">1037</span> spiedStore.refreshStoreFiles();<a name="line.1037"></a>
<span class="sourceLineNo">1038</span> assertEquals(2, this.store.getStorefilesCount());<a name="line.1038"></a>
<span class="sourceLineNo">1039</span> verify(spiedStore, times(1)).replaceStoreFiles(any(), any());<a name="line.1039"></a>
<span class="sourceLineNo">1040</span><a name="line.1040"></a>
<span class="sourceLineNo">1041</span> // call second time<a name="line.1041"></a>
<span class="sourceLineNo">1042</span> spiedStore.refreshStoreFiles();<a name="line.1042"></a>
<span class="sourceLineNo">1043</span><a name="line.1043"></a>
<span class="sourceLineNo">1044</span> //ensure that replaceStoreFiles is not called if files are not refreshed<a name="line.1044"></a>
<span class="sourceLineNo">1045</span> verify(spiedStore, times(0)).replaceStoreFiles(null, null);<a name="line.1045"></a>
<span class="sourceLineNo">1046</span> }<a name="line.1046"></a>
<span class="sourceLineNo">1047</span><a name="line.1047"></a>
<span class="sourceLineNo">1048</span> private long countMemStoreScanner(StoreScanner scanner) {<a name="line.1048"></a>
<span class="sourceLineNo">1049</span> if (scanner.currentScanners == null) {<a name="line.1049"></a>
<span class="sourceLineNo">1050</span> return 0;<a name="line.1050"></a>
<span class="sourceLineNo">1051</span> }<a name="line.1051"></a>
<span class="sourceLineNo">1052</span> return scanner.currentScanners.stream()<a name="line.1052"></a>
<span class="sourceLineNo">1053</span> .filter(s -&gt; !s.isFileScanner())<a name="line.1053"></a>
<span class="sourceLineNo">1054</span> .count();<a name="line.1054"></a>
<span class="sourceLineNo">1055</span> }<a name="line.1055"></a>
<span class="sourceLineNo">1056</span><a name="line.1056"></a>
<span class="sourceLineNo">1057</span> @Test<a name="line.1057"></a>
<span class="sourceLineNo">1058</span> public void testNumberOfMemStoreScannersAfterFlush() throws IOException {<a name="line.1058"></a>
<span class="sourceLineNo">1059</span> long seqId = 100;<a name="line.1059"></a>
<span class="sourceLineNo">1060</span> long timestamp = System.currentTimeMillis();<a name="line.1060"></a>
<span class="sourceLineNo">1061</span> Cell cell0 = CellBuilderFactory.create(CellBuilderType.DEEP_COPY).setRow(row).setFamily(family)<a name="line.1061"></a>
<span class="sourceLineNo">1062</span> .setQualifier(qf1).setTimestamp(timestamp).setType(Cell.Type.Put)<a name="line.1062"></a>
<span class="sourceLineNo">1063</span> .setValue(qf1).build();<a name="line.1063"></a>
<span class="sourceLineNo">1064</span> PrivateCellUtil.setSequenceId(cell0, seqId);<a name="line.1064"></a>
<span class="sourceLineNo">1065</span> testNumberOfMemStoreScannersAfterFlush(Arrays.asList(cell0), Collections.emptyList());<a name="line.1065"></a>
<span class="sourceLineNo">1066</span><a name="line.1066"></a>
<span class="sourceLineNo">1067</span> Cell cell1 = CellBuilderFactory.create(CellBuilderType.DEEP_COPY).setRow(row).setFamily(family)<a name="line.1067"></a>
<span class="sourceLineNo">1068</span> .setQualifier(qf2).setTimestamp(timestamp).setType(Cell.Type.Put)<a name="line.1068"></a>
<span class="sourceLineNo">1069</span> .setValue(qf1).build();<a name="line.1069"></a>
<span class="sourceLineNo">1070</span> PrivateCellUtil.setSequenceId(cell1, seqId);<a name="line.1070"></a>
<span class="sourceLineNo">1071</span> testNumberOfMemStoreScannersAfterFlush(Arrays.asList(cell0), Arrays.asList(cell1));<a name="line.1071"></a>
<span class="sourceLineNo">1072</span><a name="line.1072"></a>
<span class="sourceLineNo">1073</span> seqId = 101;<a name="line.1073"></a>
<span class="sourceLineNo">1074</span> timestamp = System.currentTimeMillis();<a name="line.1074"></a>
<span class="sourceLineNo">1075</span> Cell cell2 = CellBuilderFactory.create(CellBuilderType.DEEP_COPY).setRow(row2).setFamily(family)<a name="line.1075"></a>
<span class="sourceLineNo">1076</span> .setQualifier(qf2).setTimestamp(timestamp).setType(Cell.Type.Put)<a name="line.1076"></a>
<span class="sourceLineNo">1077</span> .setValue(qf1).build();<a name="line.1077"></a>
<span class="sourceLineNo">1078</span> PrivateCellUtil.setSequenceId(cell2, seqId);<a name="line.1078"></a>
<span class="sourceLineNo">1079</span> testNumberOfMemStoreScannersAfterFlush(Arrays.asList(cell0), Arrays.asList(cell1, cell2));<a name="line.1079"></a>
<span class="sourceLineNo">1080</span> }<a name="line.1080"></a>
<span class="sourceLineNo">1081</span><a name="line.1081"></a>
<span class="sourceLineNo">1082</span> private void testNumberOfMemStoreScannersAfterFlush(List&lt;Cell&gt; inputCellsBeforeSnapshot,<a name="line.1082"></a>
<span class="sourceLineNo">1083</span> List&lt;Cell&gt; inputCellsAfterSnapshot) throws IOException {<a name="line.1083"></a>
<span class="sourceLineNo">1084</span> init(this.name.getMethodName() + "-" + inputCellsBeforeSnapshot.size());<a name="line.1084"></a>
<span class="sourceLineNo">1085</span> TreeSet&lt;byte[]&gt; quals = new TreeSet&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.1085"></a>
<span class="sourceLineNo">1086</span> long seqId = Long.MIN_VALUE;<a name="line.1086"></a>
<span class="sourceLineNo">1087</span> for (Cell c : inputCellsBeforeSnapshot) {<a name="line.1087"></a>
<span class="sourceLineNo">1088</span> quals.add(CellUtil.cloneQualifier(c));<a name="line.1088"></a>
<span class="sourceLineNo">1089</span> seqId = Math.max(seqId, c.getSequenceId());<a name="line.1089"></a>
<span class="sourceLineNo">1090</span> }<a name="line.1090"></a>
<span class="sourceLineNo">1091</span> for (Cell c : inputCellsAfterSnapshot) {<a name="line.1091"></a>
<span class="sourceLineNo">1092</span> quals.add(CellUtil.cloneQualifier(c));<a name="line.1092"></a>
<span class="sourceLineNo">1093</span> seqId = Math.max(seqId, c.getSequenceId());<a name="line.1093"></a>
<span class="sourceLineNo">1094</span> }<a name="line.1094"></a>
<span class="sourceLineNo">1095</span> inputCellsBeforeSnapshot.forEach(c -&gt; store.add(c, null));<a name="line.1095"></a>
<span class="sourceLineNo">1096</span> StoreFlushContext storeFlushCtx = store.createFlushContext(id++, FlushLifeCycleTracker.DUMMY);<a name="line.1096"></a>
<span class="sourceLineNo">1097</span> storeFlushCtx.prepare();<a name="line.1097"></a>
<span class="sourceLineNo">1098</span> inputCellsAfterSnapshot.forEach(c -&gt; store.add(c, null));<a name="line.1098"></a>
<span class="sourceLineNo">1099</span> int numberOfMemScannersBeforeFlush = inputCellsAfterSnapshot.isEmpty() ? 1 : 2;<a name="line.1099"></a>
<span class="sourceLineNo">1100</span> try (StoreScanner s = (StoreScanner) store.getScanner(new Scan(), quals, seqId)) {<a name="line.1100"></a>
<span class="sourceLineNo">1101</span> // snapshot + active (if inputCellsAfterSnapshot isn't empty)<a name="line.1101"></a>
<span class="sourceLineNo">1102</span> assertEquals(numberOfMemScannersBeforeFlush, countMemStoreScanner(s));<a name="line.1102"></a>
<span class="sourceLineNo">1103</span> storeFlushCtx.flushCache(Mockito.mock(MonitoredTask.class));<a name="line.1103"></a>
<span class="sourceLineNo">1104</span> storeFlushCtx.commit(Mockito.mock(MonitoredTask.class));<a name="line.1104"></a>
<span class="sourceLineNo">1105</span> // snapshot has no data after flush<a name="line.1105"></a>
<span class="sourceLineNo">1106</span> int numberOfMemScannersAfterFlush = inputCellsAfterSnapshot.isEmpty() ? 0 : 1;<a name="line.1106"></a>
<span class="sourceLineNo">1107</span> boolean more;<a name="line.1107"></a>
<span class="sourceLineNo">1108</span> int cellCount = 0;<a name="line.1108"></a>
<span class="sourceLineNo">1109</span> do {<a name="line.1109"></a>
<span class="sourceLineNo">1110</span> List&lt;Cell&gt; cells = new ArrayList&lt;&gt;();<a name="line.1110"></a>
<span class="sourceLineNo">1111</span> more = s.next(cells);<a name="line.1111"></a>
<span class="sourceLineNo">1112</span> cellCount += cells.size();<a name="line.1112"></a>
<span class="sourceLineNo">1113</span> assertEquals(more ? numberOfMemScannersAfterFlush : 0, countMemStoreScanner(s));<a name="line.1113"></a>
<span class="sourceLineNo">1114</span> } while (more);<a name="line.1114"></a>
<span class="sourceLineNo">1115</span> assertEquals("The number of cells added before snapshot is " + inputCellsBeforeSnapshot.size()<a name="line.1115"></a>
<span class="sourceLineNo">1116</span> + ", The number of cells added after snapshot is " + inputCellsAfterSnapshot.size(),<a name="line.1116"></a>
<span class="sourceLineNo">1117</span> inputCellsBeforeSnapshot.size() + inputCellsAfterSnapshot.size(), cellCount);<a name="line.1117"></a>
<span class="sourceLineNo">1118</span> // the current scanners is cleared<a name="line.1118"></a>
<span class="sourceLineNo">1119</span> assertEquals(0, countMemStoreScanner(s));<a name="line.1119"></a>
<span class="sourceLineNo">1120</span> }<a name="line.1120"></a>
<span class="sourceLineNo">1121</span> }<a name="line.1121"></a>
<span class="sourceLineNo">1122</span><a name="line.1122"></a>
<span class="sourceLineNo">1123</span> private Cell createCell(byte[] qualifier, long ts, long sequenceId, byte[] value)<a name="line.1123"></a>
<span class="sourceLineNo">1124</span> throws IOException {<a name="line.1124"></a>
<span class="sourceLineNo">1125</span> return createCell(row, qualifier, ts, sequenceId, value);<a name="line.1125"></a>
<span class="sourceLineNo">1126</span> }<a name="line.1126"></a>
<span class="sourceLineNo">1127</span><a name="line.1127"></a>
<span class="sourceLineNo">1128</span> private Cell createCell(byte[] row, byte[] qualifier, long ts, long sequenceId, byte[] value)<a name="line.1128"></a>
<span class="sourceLineNo">1129</span> throws IOException {<a name="line.1129"></a>
<span class="sourceLineNo">1130</span> Cell c = CellBuilderFactory.create(CellBuilderType.DEEP_COPY).setRow(row).setFamily(family)<a name="line.1130"></a>
<span class="sourceLineNo">1131</span> .setQualifier(qualifier).setTimestamp(ts).setType(Cell.Type.Put)<a name="line.1131"></a>
<span class="sourceLineNo">1132</span> .setValue(value).build();<a name="line.1132"></a>
<span class="sourceLineNo">1133</span> PrivateCellUtil.setSequenceId(c, sequenceId);<a name="line.1133"></a>
<span class="sourceLineNo">1134</span> return c;<a name="line.1134"></a>
<span class="sourceLineNo">1135</span> }<a name="line.1135"></a>
<span class="sourceLineNo">1136</span><a name="line.1136"></a>
<span class="sourceLineNo">1137</span> @Test<a name="line.1137"></a>
<span class="sourceLineNo">1138</span> public void testFlushBeforeCompletingScanWoFilter() throws IOException, InterruptedException {<a name="line.1138"></a>
<span class="sourceLineNo">1139</span> final AtomicBoolean timeToGoNextRow = new AtomicBoolean(false);<a name="line.1139"></a>
<span class="sourceLineNo">1140</span> final int expectedSize = 3;<a name="line.1140"></a>
<span class="sourceLineNo">1141</span> testFlushBeforeCompletingScan(new MyListHook() {<a name="line.1141"></a>
<span class="sourceLineNo">1142</span> @Override<a name="line.1142"></a>
<span class="sourceLineNo">1143</span> public void hook(int currentSize) {<a name="line.1143"></a>
<span class="sourceLineNo">1144</span> if (currentSize == expectedSize - 1) {<a name="line.1144"></a>
<span class="sourceLineNo">1145</span> try {<a name="line.1145"></a>
<span class="sourceLineNo">1146</span> flushStore(store, id++);<a name="line.1146"></a>
<span class="sourceLineNo">1147</span> timeToGoNextRow.set(true);<a name="line.1147"></a>
<span class="sourceLineNo">1148</span> } catch (IOException e) {<a name="line.1148"></a>
<span class="sourceLineNo">1149</span> throw new RuntimeException(e);<a name="line.1149"></a>
<span class="sourceLineNo">1150</span> }<a name="line.1150"></a>
<span class="sourceLineNo">1151</span> }<a name="line.1151"></a>
<span class="sourceLineNo">1152</span> }<a name="line.1152"></a>
<span class="sourceLineNo">1153</span> }, new FilterBase() {<a name="line.1153"></a>
<span class="sourceLineNo">1154</span> @Override<a name="line.1154"></a>
<span class="sourceLineNo">1155</span> public Filter.ReturnCode filterCell(final Cell c) throws IOException {<a name="line.1155"></a>
<span class="sourceLineNo">1156</span> return ReturnCode.INCLUDE;<a name="line.1156"></a>
<span class="sourceLineNo">1157</span> }<a name="line.1157"></a>
<span class="sourceLineNo">1158</span> }, expectedSize);<a name="line.1158"></a>
<span class="sourceLineNo">1159</span> }<a name="line.1159"></a>
<span class="sourceLineNo">1160</span><a name="line.1160"></a>
<span class="sourceLineNo">1161</span> @Test<a name="line.1161"></a>
<span class="sourceLineNo">1162</span> public void testFlushBeforeCompletingScanWithFilter() throws IOException, InterruptedException {<a name="line.1162"></a>
<span class="sourceLineNo">1163</span> final AtomicBoolean timeToGoNextRow = new AtomicBoolean(false);<a name="line.1163"></a>
<span class="sourceLineNo">1164</span> final int expectedSize = 2;<a name="line.1164"></a>
<span class="sourceLineNo">1165</span> testFlushBeforeCompletingScan(new MyListHook() {<a name="line.1165"></a>
<span class="sourceLineNo">1166</span> @Override<a name="line.1166"></a>
<span class="sourceLineNo">1167</span> public void hook(int currentSize) {<a name="line.1167"></a>
<span class="sourceLineNo">1168</span> if (currentSize == expectedSize - 1) {<a name="line.1168"></a>
<span class="sourceLineNo">1169</span> try {<a name="line.1169"></a>
<span class="sourceLineNo">1170</span> flushStore(store, id++);<a name="line.1170"></a>
<span class="sourceLineNo">1171</span> timeToGoNextRow.set(true);<a name="line.1171"></a>
<span class="sourceLineNo">1172</span> } catch (IOException e) {<a name="line.1172"></a>
<span class="sourceLineNo">1173</span> throw new RuntimeException(e);<a name="line.1173"></a>
<span class="sourceLineNo">1174</span> }<a name="line.1174"></a>
<span class="sourceLineNo">1175</span> }<a name="line.1175"></a>
<span class="sourceLineNo">1176</span> }<a name="line.1176"></a>
<span class="sourceLineNo">1177</span> }, new FilterBase() {<a name="line.1177"></a>
<span class="sourceLineNo">1178</span> @Override<a name="line.1178"></a>
<span class="sourceLineNo">1179</span> public Filter.ReturnCode filterCell(final Cell c) throws IOException {<a name="line.1179"></a>
<span class="sourceLineNo">1180</span> if (timeToGoNextRow.get()) {<a name="line.1180"></a>
<span class="sourceLineNo">1181</span> timeToGoNextRow.set(false);<a name="line.1181"></a>
<span class="sourceLineNo">1182</span> return ReturnCode.NEXT_ROW;<a name="line.1182"></a>
<span class="sourceLineNo">1183</span> } else {<a name="line.1183"></a>
<span class="sourceLineNo">1184</span> return ReturnCode.INCLUDE;<a name="line.1184"></a>
<span class="sourceLineNo">1185</span> }<a name="line.1185"></a>
<span class="sourceLineNo">1186</span> }<a name="line.1186"></a>
<span class="sourceLineNo">1187</span> }, expectedSize);<a name="line.1187"></a>
<span class="sourceLineNo">1188</span> }<a name="line.1188"></a>
<span class="sourceLineNo">1189</span><a name="line.1189"></a>
<span class="sourceLineNo">1190</span> @Test<a name="line.1190"></a>
<span class="sourceLineNo">1191</span> public void testFlushBeforeCompletingScanWithFilterHint() throws IOException,<a name="line.1191"></a>
<span class="sourceLineNo">1192</span> InterruptedException {<a name="line.1192"></a>
<span class="sourceLineNo">1193</span> final AtomicBoolean timeToGetHint = new AtomicBoolean(false);<a name="line.1193"></a>
<span class="sourceLineNo">1194</span> final int expectedSize = 2;<a name="line.1194"></a>
<span class="sourceLineNo">1195</span> testFlushBeforeCompletingScan(new MyListHook() {<a name="line.1195"></a>
<span class="sourceLineNo">1196</span> @Override<a name="line.1196"></a>
<span class="sourceLineNo">1197</span> public void hook(int currentSize) {<a name="line.1197"></a>
<span class="sourceLineNo">1198</span> if (currentSize == expectedSize - 1) {<a name="line.1198"></a>
<span class="sourceLineNo">1199</span> try {<a name="line.1199"></a>
<span class="sourceLineNo">1200</span> flushStore(store, id++);<a name="line.1200"></a>
<span class="sourceLineNo">1201</span> timeToGetHint.set(true);<a name="line.1201"></a>
<span class="sourceLineNo">1202</span> } catch (IOException e) {<a name="line.1202"></a>
<span class="sourceLineNo">1203</span> throw new RuntimeException(e);<a name="line.1203"></a>
<span class="sourceLineNo">1204</span> }<a name="line.1204"></a>
<span class="sourceLineNo">1205</span> }<a name="line.1205"></a>
<span class="sourceLineNo">1206</span> }<a name="line.1206"></a>
<span class="sourceLineNo">1207</span> }, new FilterBase() {<a name="line.1207"></a>
<span class="sourceLineNo">1208</span> @Override<a name="line.1208"></a>
<span class="sourceLineNo">1209</span> public Filter.ReturnCode filterCell(final Cell c) throws IOException {<a name="line.1209"></a>
<span class="sourceLineNo">1210</span> if (timeToGetHint.get()) {<a name="line.1210"></a>
<span class="sourceLineNo">1211</span> timeToGetHint.set(false);<a name="line.1211"></a>
<span class="sourceLineNo">1212</span> return Filter.ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.1212"></a>
<span class="sourceLineNo">1213</span> } else {<a name="line.1213"></a>
<span class="sourceLineNo">1214</span> return Filter.ReturnCode.INCLUDE;<a name="line.1214"></a>
<span class="sourceLineNo">1215</span> }<a name="line.1215"></a>
<span class="sourceLineNo">1216</span> }<a name="line.1216"></a>
<span class="sourceLineNo">1217</span> @Override<a name="line.1217"></a>
<span class="sourceLineNo">1218</span> public Cell getNextCellHint(Cell currentCell) throws IOException {<a name="line.1218"></a>
<span class="sourceLineNo">1219</span> return currentCell;<a name="line.1219"></a>
<span class="sourceLineNo">1220</span> }<a name="line.1220"></a>
<span class="sourceLineNo">1221</span> }, expectedSize);<a name="line.1221"></a>
<span class="sourceLineNo">1222</span> }<a name="line.1222"></a>
<span class="sourceLineNo">1223</span><a name="line.1223"></a>
<span class="sourceLineNo">1224</span> private void testFlushBeforeCompletingScan(MyListHook hook, Filter filter, int expectedSize)<a name="line.1224"></a>
<span class="sourceLineNo">1225</span> throws IOException, InterruptedException {<a name="line.1225"></a>
<span class="sourceLineNo">1226</span> Configuration conf = HBaseConfiguration.create();<a name="line.1226"></a>
<span class="sourceLineNo">1227</span> byte[] r0 = Bytes.toBytes("row0");<a name="line.1227"></a>
<span class="sourceLineNo">1228</span> byte[] r1 = Bytes.toBytes("row1");<a name="line.1228"></a>
<span class="sourceLineNo">1229</span> byte[] r2 = Bytes.toBytes("row2");<a name="line.1229"></a>
<span class="sourceLineNo">1230</span> byte[] value0 = Bytes.toBytes("value0");<a name="line.1230"></a>
<span class="sourceLineNo">1231</span> byte[] value1 = Bytes.toBytes("value1");<a name="line.1231"></a>
<span class="sourceLineNo">1232</span> byte[] value2 = Bytes.toBytes("value2");<a name="line.1232"></a>
<span class="sourceLineNo">1233</span> MemStoreSizing memStoreSizing = new NonThreadSafeMemStoreSizing();<a name="line.1233"></a>
<span class="sourceLineNo">1234</span> long ts = EnvironmentEdgeManager.currentTime();<a name="line.1234"></a>
<span class="sourceLineNo">1235</span> long seqId = 100;<a name="line.1235"></a>
<span class="sourceLineNo">1236</span> init(name.getMethodName(), conf, TableDescriptorBuilder.newBuilder(TableName.valueOf(table)),<a name="line.1236"></a>
<span class="sourceLineNo">1237</span> ColumnFamilyDescriptorBuilder.newBuilder(family).setMaxVersions(1).build(),<a name="line.1237"></a>
<span class="sourceLineNo">1238</span> new MyStoreHook() {<a name="line.1238"></a>
<span class="sourceLineNo">1239</span> @Override<a name="line.1239"></a>
<span class="sourceLineNo">1240</span> public long getSmallestReadPoint(HStore store) {<a name="line.1240"></a>
<span class="sourceLineNo">1241</span> return seqId + 3;<a name="line.1241"></a>
<span class="sourceLineNo">1242</span> }<a name="line.1242"></a>
<span class="sourceLineNo">1243</span> });<a name="line.1243"></a>
<span class="sourceLineNo">1244</span> // The cells having the value0 won't be flushed to disk because the value of max version is 1<a name="line.1244"></a>
<span class="sourceLineNo">1245</span> store.add(createCell(r0, qf1, ts, seqId, value0), memStoreSizing);<a name="line.1245"></a>
<span class="sourceLineNo">1246</span> store.add(createCell(r0, qf2, ts, seqId, value0), memStoreSizing);<a name="line.1246"></a>
<span class="sourceLineNo">1247</span> store.add(createCell(r0, qf3, ts, seqId, value0), memStoreSizing);<a name="line.1247"></a>
<span class="sourceLineNo">1248</span> store.add(createCell(r1, qf1, ts + 1, seqId + 1, value1), memStoreSizing);<a name="line.1248"></a>
<span class="sourceLineNo">1249</span> store.add(createCell(r1, qf2, ts + 1, seqId + 1, value1), memStoreSizing);<a name="line.1249"></a>
<span class="sourceLineNo">1250</span> store.add(createCell(r1, qf3, ts + 1, seqId + 1, value1), memStoreSizing);<a name="line.1250"></a>
<span class="sourceLineNo">1251</span> store.add(createCell(r2, qf1, ts + 2, seqId + 2, value2), memStoreSizing);<a name="line.1251"></a>
<span class="sourceLineNo">1252</span> store.add(createCell(r2, qf2, ts + 2, seqId + 2, value2), memStoreSizing);<a name="line.1252"></a>
<span class="sourceLineNo">1253</span> store.add(createCell(r2, qf3, ts + 2, seqId + 2, value2), memStoreSizing);<a name="line.1253"></a>
<span class="sourceLineNo">1254</span> store.add(createCell(r1, qf1, ts + 3, seqId + 3, value1), memStoreSizing);<a name="line.1254"></a>
<span class="sourceLineNo">1255</span> store.add(createCell(r1, qf2, ts + 3, seqId + 3, value1), memStoreSizing);<a name="line.1255"></a>
<span class="sourceLineNo">1256</span> store.add(createCell(r1, qf3, ts + 3, seqId + 3, value1), memStoreSizing);<a name="line.1256"></a>
<span class="sourceLineNo">1257</span> List&lt;Cell&gt; myList = new MyList&lt;&gt;(hook);<a name="line.1257"></a>
<span class="sourceLineNo">1258</span> Scan scan = new Scan()<a name="line.1258"></a>
<span class="sourceLineNo">1259</span> .withStartRow(r1)<a name="line.1259"></a>
<span class="sourceLineNo">1260</span> .setFilter(filter);<a name="line.1260"></a>
<span class="sourceLineNo">1261</span> try (InternalScanner scanner = (InternalScanner) store.getScanner(<a name="line.1261"></a>
<span class="sourceLineNo">1262</span> scan, null, seqId + 3)){<a name="line.1262"></a>
<span class="sourceLineNo">1263</span> // r1<a name="line.1263"></a>
<span class="sourceLineNo">1264</span> scanner.next(myList);<a name="line.1264"></a>
<span class="sourceLineNo">1265</span> assertEquals(expectedSize, myList.size());<a name="line.1265"></a>
<span class="sourceLineNo">1266</span> for (Cell c : myList) {<a name="line.1266"></a>
<span class="sourceLineNo">1267</span> byte[] actualValue = CellUtil.cloneValue(c);<a name="line.1267"></a>
<span class="sourceLineNo">1268</span> assertTrue("expected:" + Bytes.toStringBinary(value1)<a name="line.1268"></a>
<span class="sourceLineNo">1269</span> + ", actual:" + Bytes.toStringBinary(actualValue)<a name="line.1269"></a>
<span class="sourceLineNo">1270</span> , Bytes.equals(actualValue, value1));<a name="line.1270"></a>
<span class="sourceLineNo">1271</span> }<a name="line.1271"></a>
<span class="sourceLineNo">1272</span> List&lt;Cell&gt; normalList = new ArrayList&lt;&gt;(3);<a name="line.1272"></a>
<span class="sourceLineNo">1273</span> // r2<a name="line.1273"></a>
<span class="sourceLineNo">1274</span> scanner.next(normalList);<a name="line.1274"></a>
<span class="sourceLineNo">1275</span> assertEquals(3, normalList.size());<a name="line.1275"></a>
<span class="sourceLineNo">1276</span> for (Cell c : normalList) {<a name="line.1276"></a>
<span class="sourceLineNo">1277</span> byte[] actualValue = CellUtil.cloneValue(c);<a name="line.1277"></a>
<span class="sourceLineNo">1278</span> assertTrue("expected:" + Bytes.toStringBinary(value2)<a name="line.1278"></a>
<span class="sourceLineNo">1279</span> + ", actual:" + Bytes.toStringBinary(actualValue)<a name="line.1279"></a>
<span class="sourceLineNo">1280</span> , Bytes.equals(actualValue, value2));<a name="line.1280"></a>
<span class="sourceLineNo">1281</span> }<a name="line.1281"></a>
<span class="sourceLineNo">1282</span> }<a name="line.1282"></a>
<span class="sourceLineNo">1283</span> }<a name="line.1283"></a>
<span class="sourceLineNo">1284</span><a name="line.1284"></a>
<span class="sourceLineNo">1285</span> @Test<a name="line.1285"></a>
<span class="sourceLineNo">1286</span> public void testCreateScannerAndSnapshotConcurrently() throws IOException, InterruptedException {<a name="line.1286"></a>
<span class="sourceLineNo">1287</span> Configuration conf = HBaseConfiguration.create();<a name="line.1287"></a>
<span class="sourceLineNo">1288</span> conf.set(HStore.MEMSTORE_CLASS_NAME, MyCompactingMemStore.class.getName());<a name="line.1288"></a>
<span class="sourceLineNo">1289</span> init(name.getMethodName(), conf, ColumnFamilyDescriptorBuilder.newBuilder(family)<a name="line.1289"></a>
<span class="sourceLineNo">1290</span> .setInMemoryCompaction(MemoryCompactionPolicy.BASIC).build());<a name="line.1290"></a>
<span class="sourceLineNo">1291</span> byte[] value = Bytes.toBytes("value");<a name="line.1291"></a>
<span class="sourceLineNo">1292</span> MemStoreSizing memStoreSizing = new NonThreadSafeMemStoreSizing();<a name="line.1292"></a>
<span class="sourceLineNo">1293</span> long ts = EnvironmentEdgeManager.currentTime();<a name="line.1293"></a>
<span class="sourceLineNo">1294</span> long seqId = 100;<a name="line.1294"></a>
<span class="sourceLineNo">1295</span> // older data whihc shouldn't be "seen" by client<a name="line.1295"></a>
<span class="sourceLineNo">1296</span> store.add(createCell(qf1, ts, seqId, value), memStoreSizing);<a name="line.1296"></a>
<span class="sourceLineNo">1297</span> store.add(createCell(qf2, ts, seqId, value), memStoreSizing);<a name="line.1297"></a>
<span class="sourceLineNo">1298</span> store.add(createCell(qf3, ts, seqId, value), memStoreSizing);<a name="line.1298"></a>
<span class="sourceLineNo">1299</span> TreeSet&lt;byte[]&gt; quals = new TreeSet&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.1299"></a>
<span class="sourceLineNo">1300</span> quals.add(qf1);<a name="line.1300"></a>
<span class="sourceLineNo">1301</span> quals.add(qf2);<a name="line.1301"></a>
<span class="sourceLineNo">1302</span> quals.add(qf3);<a name="line.1302"></a>
<span class="sourceLineNo">1303</span> StoreFlushContext storeFlushCtx = store.createFlushContext(id++, FlushLifeCycleTracker.DUMMY);<a name="line.1303"></a>
<span class="sourceLineNo">1304</span> MyCompactingMemStore.START_TEST.set(true);<a name="line.1304"></a>
<span class="sourceLineNo">1305</span> Runnable flush = () -&gt; {<a name="line.1305"></a>
<span class="sourceLineNo">1306</span> // this is blocked until we create first scanner from pipeline and snapshot -- phase (1/5)<a name="line.1306"></a>
<span class="sourceLineNo">1307</span> // recreate the active memstore -- phase (4/5)<a name="line.1307"></a>
<span class="sourceLineNo">1308</span> storeFlushCtx.prepare();<a name="line.1308"></a>
<span class="sourceLineNo">1309</span> };<a name="line.1309"></a>
<span class="sourceLineNo">1310</span> ExecutorService service = Executors.newSingleThreadExecutor();<a name="line.1310"></a>
<span class="sourceLineNo">1311</span> service.submit(flush);<a name="line.1311"></a>
<span class="sourceLineNo">1312</span> // we get scanner from pipeline and snapshot but they are empty. -- phase (2/5)<a name="line.1312"></a>
<span class="sourceLineNo">1313</span> // this is blocked until we recreate the active memstore -- phase (3/5)<a name="line.1313"></a>
<span class="sourceLineNo">1314</span> // we get scanner from active memstore but it is empty -- phase (5/5)<a name="line.1314"></a>
<span class="sourceLineNo">1315</span> InternalScanner scanner = (InternalScanner) store.getScanner(<a name="line.1315"></a>
<span class="sourceLineNo">1316</span> new Scan(new Get(row)), quals, seqId + 1);<a name="line.1316"></a>
<span class="sourceLineNo">1317</span> service.shutdown();<a name="line.1317"></a>
<span class="sourceLineNo">1318</span> service.awaitTermination(20, TimeUnit.SECONDS);<a name="line.1318"></a>
<span class="sourceLineNo">1319</span> try {<a name="line.1319"></a>
<span class="sourceLineNo">1320</span> try {<a name="line.1320"></a>
<span class="sourceLineNo">1321</span> List&lt;Cell&gt; results = new ArrayList&lt;&gt;();<a name="line.1321"></a>
<span class="sourceLineNo">1322</span> scanner.next(results);<a name="line.1322"></a>
<span class="sourceLineNo">1323</span> assertEquals(3, results.size());<a name="line.1323"></a>
<span class="sourceLineNo">1324</span> for (Cell c : results) {<a name="line.1324"></a>
<span class="sourceLineNo">1325</span> byte[] actualValue = CellUtil.cloneValue(c);<a name="line.1325"></a>
<span class="sourceLineNo">1326</span> assertTrue("expected:" + Bytes.toStringBinary(value)<a name="line.1326"></a>
<span class="sourceLineNo">1327</span> + ", actual:" + Bytes.toStringBinary(actualValue)<a name="line.1327"></a>
<span class="sourceLineNo">1328</span> , Bytes.equals(actualValue, value));<a name="line.1328"></a>
<span class="sourceLineNo">1329</span> }<a name="line.1329"></a>
<span class="sourceLineNo">1330</span> } finally {<a name="line.1330"></a>
<span class="sourceLineNo">1331</span> scanner.close();<a name="line.1331"></a>
<span class="sourceLineNo">1332</span> }<a name="line.1332"></a>
<span class="sourceLineNo">1333</span> } finally {<a name="line.1333"></a>
<span class="sourceLineNo">1334</span> MyCompactingMemStore.START_TEST.set(false);<a name="line.1334"></a>
<span class="sourceLineNo">1335</span> storeFlushCtx.flushCache(Mockito.mock(MonitoredTask.class));<a name="line.1335"></a>
<span class="sourceLineNo">1336</span> storeFlushCtx.commit(Mockito.mock(MonitoredTask.class));<a name="line.1336"></a>
<span class="sourceLineNo">1337</span> }<a name="line.1337"></a>
<span class="sourceLineNo">1338</span> }<a name="line.1338"></a>
<span class="sourceLineNo">1339</span><a name="line.1339"></a>
<span class="sourceLineNo">1340</span> @Test<a name="line.1340"></a>
<span class="sourceLineNo">1341</span> public void testScanWithDoubleFlush() throws IOException {<a name="line.1341"></a>
<span class="sourceLineNo">1342</span> Configuration conf = HBaseConfiguration.create();<a name="line.1342"></a>
<span class="sourceLineNo">1343</span> // Initialize region<a name="line.1343"></a>
<span class="sourceLineNo">1344</span> MyStore myStore = initMyStore(name.getMethodName(), conf, new MyStoreHook(){<a name="line.1344"></a>
<span class="sourceLineNo">1345</span> @Override<a name="line.1345"></a>
<span class="sourceLineNo">1346</span> public void getScanners(MyStore store) throws IOException {<a name="line.1346"></a>
<span class="sourceLineNo">1347</span> final long tmpId = id++;<a name="line.1347"></a>
<span class="sourceLineNo">1348</span> ExecutorService s = Executors.newSingleThreadExecutor();<a name="line.1348"></a>
<span class="sourceLineNo">1349</span> s.submit(() -&gt; {<a name="line.1349"></a>
<span class="sourceLineNo">1350</span> try {<a name="line.1350"></a>
<span class="sourceLineNo">1351</span> // flush the store before storescanner updates the scanners from store.<a name="line.1351"></a>
<span class="sourceLineNo">1352</span> // The current data will be flushed into files, and the memstore will<a name="line.1352"></a>
<span class="sourceLineNo">1353</span> // be clear.<a name="line.1353"></a>
<span class="sourceLineNo">1354</span> // -- phase (4/4)<a name="line.1354"></a>
<span class="sourceLineNo">1355</span> flushStore(store, tmpId);<a name="line.1355"></a>
<span class="sourceLineNo">1356</span> }catch (IOException ex) {<a name="line.1356"></a>
<span class="sourceLineNo">1357</span> throw new RuntimeException(ex);<a name="line.1357"></a>
<span class="sourceLineNo">1358</span> }<a name="line.1358"></a>
<span class="sourceLineNo">1359</span> });<a name="line.1359"></a>
<span class="sourceLineNo">1360</span> s.shutdown();<a name="line.1360"></a>
<span class="sourceLineNo">1361</span> try {<a name="line.1361"></a>
<span class="sourceLineNo">1362</span> // wait for the flush, the thread will be blocked in HStore#notifyChangedReadersObservers.<a name="line.1362"></a>
<span class="sourceLineNo">1363</span> s.awaitTermination(3, TimeUnit.SECONDS);<a name="line.1363"></a>
<span class="sourceLineNo">1364</span> } catch (InterruptedException ex) {<a name="line.1364"></a>
<span class="sourceLineNo">1365</span> }<a name="line.1365"></a>
<span class="sourceLineNo">1366</span> }<a name="line.1366"></a>
<span class="sourceLineNo">1367</span> });<a name="line.1367"></a>
<span class="sourceLineNo">1368</span> byte[] oldValue = Bytes.toBytes("oldValue");<a name="line.1368"></a>
<span class="sourceLineNo">1369</span> byte[] currentValue = Bytes.toBytes("currentValue");<a name="line.1369"></a>
<span class="sourceLineNo">1370</span> MemStoreSizing memStoreSizing = new NonThreadSafeMemStoreSizing();<a name="line.1370"></a>
<span class="sourceLineNo">1371</span> long ts = EnvironmentEdgeManager.currentTime();<a name="line.1371"></a>
<span class="sourceLineNo">1372</span> long seqId = 100;<a name="line.1372"></a>
<span class="sourceLineNo">1373</span> // older data whihc shouldn't be "seen" by client<a name="line.1373"></a>
<span class="sourceLineNo">1374</span> myStore.add(createCell(qf1, ts, seqId, oldValue), memStoreSizing);<a name="line.1374"></a>
<span class="sourceLineNo">1375</span> myStore.add(createCell(qf2, ts, seqId, oldValue), memStoreSizing);<a name="line.1375"></a>
<span class="sourceLineNo">1376</span> myStore.add(createCell(qf3, ts, seqId, oldValue), memStoreSizing);<a name="line.1376"></a>
<span class="sourceLineNo">1377</span> long snapshotId = id++;<a name="line.1377"></a>
<span class="sourceLineNo">1378</span> // push older data into snapshot -- phase (1/4)<a name="line.1378"></a>
<span class="sourceLineNo">1379</span> StoreFlushContext storeFlushCtx = store.createFlushContext(snapshotId, FlushLifeCycleTracker<a name="line.1379"></a>
<span class="sourceLineNo">1380</span> .DUMMY);<a name="line.1380"></a>
<span class="sourceLineNo">1381</span> storeFlushCtx.prepare();<a name="line.1381"></a>
<span class="sourceLineNo">1382</span><a name="line.1382"></a>
<span class="sourceLineNo">1383</span> // insert current data into active -- phase (2/4)<a name="line.1383"></a>
<span class="sourceLineNo">1384</span> myStore.add(createCell(qf1, ts + 1, seqId + 1, currentValue), memStoreSizing);<a name="line.1384"></a>
<span class="sourceLineNo">1385</span> myStore.add(createCell(qf2, ts + 1, seqId + 1, currentValue), memStoreSizing);<a name="line.1385"></a>
<span class="sourceLineNo">1386</span> myStore.add(createCell(qf3, ts + 1, seqId + 1, currentValue), memStoreSizing);<a name="line.1386"></a>
<span class="sourceLineNo">1387</span> TreeSet&lt;byte[]&gt; quals = new TreeSet&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.1387"></a>
<span class="sourceLineNo">1388</span> quals.add(qf1);<a name="line.1388"></a>
<span class="sourceLineNo">1389</span> quals.add(qf2);<a name="line.1389"></a>
<span class="sourceLineNo">1390</span> quals.add(qf3);<a name="line.1390"></a>
<span class="sourceLineNo">1391</span> try (InternalScanner scanner = (InternalScanner) myStore.getScanner(<a name="line.1391"></a>
<span class="sourceLineNo">1392</span> new Scan(new Get(row)), quals, seqId + 1)) {<a name="line.1392"></a>
<span class="sourceLineNo">1393</span> // complete the flush -- phase (3/4)<a name="line.1393"></a>
<span class="sourceLineNo">1394</span> storeFlushCtx.flushCache(Mockito.mock(MonitoredTask.class));<a name="line.1394"></a>
<span class="sourceLineNo">1395</span> storeFlushCtx.commit(Mockito.mock(MonitoredTask.class));<a name="line.1395"></a>
<span class="sourceLineNo">1396</span><a name="line.1396"></a>
<span class="sourceLineNo">1397</span> List&lt;Cell&gt; results = new ArrayList&lt;&gt;();<a name="line.1397"></a>
<span class="sourceLineNo">1398</span> scanner.next(results);<a name="line.1398"></a>
<span class="sourceLineNo">1399</span> assertEquals(3, results.size());<a name="line.1399"></a>
<span class="sourceLineNo">1400</span> for (Cell c : results) {<a name="line.1400"></a>
<span class="sourceLineNo">1401</span> byte[] actualValue = CellUtil.cloneValue(c);<a name="line.1401"></a>
<span class="sourceLineNo">1402</span> assertTrue("expected:" + Bytes.toStringBinary(currentValue)<a name="line.1402"></a>
<span class="sourceLineNo">1403</span> + ", actual:" + Bytes.toStringBinary(actualValue)<a name="line.1403"></a>
<span class="sourceLineNo">1404</span> , Bytes.equals(actualValue, currentValue));<a name="line.1404"></a>
<span class="sourceLineNo">1405</span> }<a name="line.1405"></a>
<span class="sourceLineNo">1406</span> }<a name="line.1406"></a>
<span class="sourceLineNo">1407</span> }<a name="line.1407"></a>
<span class="sourceLineNo">1408</span><a name="line.1408"></a>
<span class="sourceLineNo">1409</span> @Test<a name="line.1409"></a>
<span class="sourceLineNo">1410</span> public void testReclaimChunkWhenScaning() throws IOException {<a name="line.1410"></a>
<span class="sourceLineNo">1411</span> init("testReclaimChunkWhenScaning");<a name="line.1411"></a>
<span class="sourceLineNo">1412</span> long ts = EnvironmentEdgeManager.currentTime();<a name="line.1412"></a>
<span class="sourceLineNo">1413</span> long seqId = 100;<a name="line.1413"></a>
<span class="sourceLineNo">1414</span> byte[] value = Bytes.toBytes("value");<a name="line.1414"></a>
<span class="sourceLineNo">1415</span> // older data whihc shouldn't be "seen" by client<a name="line.1415"></a>
<span class="sourceLineNo">1416</span> store.add(createCell(qf1, ts, seqId, value), null);<a name="line.1416"></a>
<span class="sourceLineNo">1417</span> store.add(createCell(qf2, ts, seqId, value), null);<a name="line.1417"></a>
<span class="sourceLineNo">1418</span> store.add(createCell(qf3, ts, seqId, value), null);<a name="line.1418"></a>
<span class="sourceLineNo">1419</span> TreeSet&lt;byte[]&gt; quals = new TreeSet&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.1419"></a>
<span class="sourceLineNo">1420</span> quals.add(qf1);<a name="line.1420"></a>
<span class="sourceLineNo">1421</span> quals.add(qf2);<a name="line.1421"></a>
<span class="sourceLineNo">1422</span> quals.add(qf3);<a name="line.1422"></a>
<span class="sourceLineNo">1423</span> try (InternalScanner scanner = (InternalScanner) store.getScanner(<a name="line.1423"></a>
<span class="sourceLineNo">1424</span> new Scan(new Get(row)), quals, seqId)) {<a name="line.1424"></a>
<span class="sourceLineNo">1425</span> List&lt;Cell&gt; results = new MyList&lt;&gt;(size -&gt; {<a name="line.1425"></a>
<span class="sourceLineNo">1426</span> switch (size) {<a name="line.1426"></a>
<span class="sourceLineNo">1427</span> // 1) we get the first cell (qf1)<a name="line.1427"></a>
<span class="sourceLineNo">1428</span> // 2) flush the data to have StoreScanner update inner scanners<a name="line.1428"></a>
<span class="sourceLineNo">1429</span> // 3) the chunk will be reclaimed after updaing<a name="line.1429"></a>
<span class="sourceLineNo">1430</span> case 1:<a name="line.1430"></a>
<span class="sourceLineNo">1431</span> try {<a name="line.1431"></a>
<span class="sourceLineNo">1432</span> flushStore(store, id++);<a name="line.1432"></a>
<span class="sourceLineNo">1433</span> } catch (IOException e) {<a name="line.1433"></a>
<span class="sourceLineNo">1434</span> throw new RuntimeException(e);<a name="line.1434"></a>
<span class="sourceLineNo">1435</span> }<a name="line.1435"></a>
<span class="sourceLineNo">1436</span> break;<a name="line.1436"></a>
<span class="sourceLineNo">1437</span> // 1) we get the second cell (qf2)<a name="line.1437"></a>
<span class="sourceLineNo">1438</span> // 2) add some cell to fill some byte into the chunk (we have only one chunk)<a name="line.1438"></a>
<span class="sourceLineNo">1439</span> case 2:<a name="line.1439"></a>
<span class="sourceLineNo">1440</span> try {<a name="line.1440"></a>
<span class="sourceLineNo">1441</span> byte[] newValue = Bytes.toBytes("newValue");<a name="line.1441"></a>
<span class="sourceLineNo">1442</span> // older data whihc shouldn't be "seen" by client<a name="line.1442"></a>
<span class="sourceLineNo">1443</span> store.add(createCell(qf1, ts + 1, seqId + 1, newValue), null);<a name="line.1443"></a>
<span class="sourceLineNo">1444</span> store.add(createCell(qf2, ts + 1, seqId + 1, newValue), null);<a name="line.1444"></a>
<span class="sourceLineNo">1445</span> store.add(createCell(qf3, ts + 1, seqId + 1, newValue), null);<a name="line.1445"></a>
<span class="sourceLineNo">1446</span> } catch (IOException e) {<a name="line.1446"></a>
<span class="sourceLineNo">1447</span> throw new RuntimeException(e);<a name="line.1447"></a>
<span class="sourceLineNo">1448</span> }<a name="line.1448"></a>
<span class="sourceLineNo">1449</span> break;<a name="line.1449"></a>
<span class="sourceLineNo">1450</span> default:<a name="line.1450"></a>
<span class="sourceLineNo">1451</span> break;<a name="line.1451"></a>
<span class="sourceLineNo">1452</span> }<a name="line.1452"></a>
<span class="sourceLineNo">1453</span> });<a name="line.1453"></a>
<span class="sourceLineNo">1454</span> scanner.next(results);<a name="line.1454"></a>
<span class="sourceLineNo">1455</span> assertEquals(3, results.size());<a name="line.1455"></a>
<span class="sourceLineNo">1456</span> for (Cell c : results) {<a name="line.1456"></a>
<span class="sourceLineNo">1457</span> byte[] actualValue = CellUtil.cloneValue(c);<a name="line.1457"></a>
<span class="sourceLineNo">1458</span> assertTrue("expected:" + Bytes.toStringBinary(value)<a name="line.1458"></a>
<span class="sourceLineNo">1459</span> + ", actual:" + Bytes.toStringBinary(actualValue)<a name="line.1459"></a>
<span class="sourceLineNo">1460</span> , Bytes.equals(actualValue, value));<a name="line.1460"></a>
<span class="sourceLineNo">1461</span> }<a name="line.1461"></a>
<span class="sourceLineNo">1462</span> }<a name="line.1462"></a>
<span class="sourceLineNo">1463</span> }<a name="line.1463"></a>
<span class="sourceLineNo">1464</span><a name="line.1464"></a>
<span class="sourceLineNo">1465</span> /**<a name="line.1465"></a>
<span class="sourceLineNo">1466</span> * If there are two running InMemoryFlushRunnable, the later InMemoryFlushRunnable<a name="line.1466"></a>
<span class="sourceLineNo">1467</span> * may change the versionedList. And the first InMemoryFlushRunnable will use the chagned<a name="line.1467"></a>
<span class="sourceLineNo">1468</span> * versionedList to remove the corresponding segments.<a name="line.1468"></a>
<span class="sourceLineNo">1469</span> * In short, there will be some segements which isn't in merge are removed.<a name="line.1469"></a>
<span class="sourceLineNo">1470</span> * @throws IOException<a name="line.1470"></a>
<span class="sourceLineNo">1471</span> * @throws InterruptedException<a name="line.1471"></a>
<span class="sourceLineNo">1472</span> */<a name="line.1472"></a>
<span class="sourceLineNo">1473</span> @Test<a name="line.1473"></a>
<span class="sourceLineNo">1474</span> public void testRunDoubleMemStoreCompactors() throws IOException, InterruptedException {<a name="line.1474"></a>
<span class="sourceLineNo">1475</span> int flushSize = 500;<a name="line.1475"></a>
<span class="sourceLineNo">1476</span> Configuration conf = HBaseConfiguration.create();<a name="line.1476"></a>
<span class="sourceLineNo">1477</span> conf.set(HStore.MEMSTORE_CLASS_NAME, MyCompactingMemStoreWithCustomCompactor.class.getName());<a name="line.1477"></a>
<span class="sourceLineNo">1478</span> conf.setDouble(CompactingMemStore.IN_MEMORY_FLUSH_THRESHOLD_FACTOR_KEY, 0.25);<a name="line.1478"></a>
<span class="sourceLineNo">1479</span> MyCompactingMemStoreWithCustomCompactor.RUNNER_COUNT.set(0);<a name="line.1479"></a>
<span class="sourceLineNo">1480</span> conf.set(HConstants.HREGION_MEMSTORE_FLUSH_SIZE, String.valueOf(flushSize));<a name="line.1480"></a>
<span class="sourceLineNo">1481</span> // Set the lower threshold to invoke the "MERGE" policy<a name="line.1481"></a>
<span class="sourceLineNo">1482</span> conf.set(MemStoreCompactionStrategy.COMPACTING_MEMSTORE_THRESHOLD_KEY, String.valueOf(0));<a name="line.1482"></a>
<span class="sourceLineNo">1483</span> init(name.getMethodName(), conf, ColumnFamilyDescriptorBuilder.newBuilder(family)<a name="line.1483"></a>
<span class="sourceLineNo">1484</span> .setInMemoryCompaction(MemoryCompactionPolicy.BASIC).build());<a name="line.1484"></a>
<span class="sourceLineNo">1485</span> byte[] value = Bytes.toBytes("thisisavarylargevalue");<a name="line.1485"></a>
<span class="sourceLineNo">1486</span> MemStoreSizing memStoreSizing = new NonThreadSafeMemStoreSizing();<a name="line.1486"></a>
<span class="sourceLineNo">1487</span> long ts = EnvironmentEdgeManager.currentTime();<a name="line.1487"></a>
<span class="sourceLineNo">1488</span> long seqId = 100;<a name="line.1488"></a>
<span class="sourceLineNo">1489</span> // older data whihc shouldn't be "seen" by client<a name="line.1489"></a>
<span class="sourceLineNo">1490</span> store.add(createCell(qf1, ts, seqId, value), memStoreSizing);<a name="line.1490"></a>
<span class="sourceLineNo">1491</span> store.add(createCell(qf2, ts, seqId, value), memStoreSizing);<a name="line.1491"></a>
<span class="sourceLineNo">1492</span> store.add(createCell(qf3, ts, seqId, value), memStoreSizing);<a name="line.1492"></a>
<span class="sourceLineNo">1493</span> assertEquals(1, MyCompactingMemStoreWithCustomCompactor.RUNNER_COUNT.get());<a name="line.1493"></a>
<span class="sourceLineNo">1494</span> StoreFlushContext storeFlushCtx = store.createFlushContext(id++, FlushLifeCycleTracker.DUMMY);<a name="line.1494"></a>
<span class="sourceLineNo">1495</span> storeFlushCtx.prepare();<a name="line.1495"></a>
<span class="sourceLineNo">1496</span> // This shouldn't invoke another in-memory flush because the first compactor thread<a name="line.1496"></a>
<span class="sourceLineNo">1497</span> // hasn't accomplished the in-memory compaction.<a name="line.1497"></a>
<span class="sourceLineNo">1498</span> store.add(createCell(qf1, ts + 1, seqId + 1, value), memStoreSizing);<a name="line.1498"></a>
<span class="sourceLineNo">1499</span> store.add(createCell(qf1, ts + 1, seqId + 1, value), memStoreSizing);<a name="line.1499"></a>
<span class="sourceLineNo">1500</span> store.add(createCell(qf1, ts + 1, seqId + 1, value), memStoreSizing);<a name="line.1500"></a>
<span class="sourceLineNo">1501</span> assertEquals(1, MyCompactingMemStoreWithCustomCompactor.RUNNER_COUNT.get());<a name="line.1501"></a>
<span class="sourceLineNo">1502</span> //okay. Let the compaction be completed<a name="line.1502"></a>
<span class="sourceLineNo">1503</span> MyMemStoreCompactor.START_COMPACTOR_LATCH.countDown();<a name="line.1503"></a>
<span class="sourceLineNo">1504</span> CompactingMemStore mem = (CompactingMemStore) ((HStore)store).memstore;<a name="line.1504"></a>
<span class="sourceLineNo">1505</span> while (mem.isMemStoreFlushingInMemory()) {<a name="line.1505"></a>
<span class="sourceLineNo">1506</span> TimeUnit.SECONDS.sleep(1);<a name="line.1506"></a>
<span class="sourceLineNo">1507</span> }<a name="line.1507"></a>
<span class="sourceLineNo">1508</span> // This should invoke another in-memory flush.<a name="line.1508"></a>
<span class="sourceLineNo">1509</span> store.add(createCell(qf1, ts + 2, seqId + 2, value), memStoreSizing);<a name="line.1509"></a>
<span class="sourceLineNo">1510</span> store.add(createCell(qf1, ts + 2, seqId + 2, value), memStoreSizing);<a name="line.1510"></a>
<span class="sourceLineNo">1511</span> store.add(createCell(qf1, ts + 2, seqId + 2, value), memStoreSizing);<a name="line.1511"></a>
<span class="sourceLineNo">1512</span> assertEquals(2, MyCompactingMemStoreWithCustomCompactor.RUNNER_COUNT.get());<a name="line.1512"></a>
<span class="sourceLineNo">1513</span> conf.set(HConstants.HREGION_MEMSTORE_FLUSH_SIZE,<a name="line.1513"></a>
<span class="sourceLineNo">1514</span> String.valueOf(TableDescriptorBuilder.DEFAULT_MEMSTORE_FLUSH_SIZE));<a name="line.1514"></a>
<span class="sourceLineNo">1515</span> storeFlushCtx.flushCache(Mockito.mock(MonitoredTask.class));<a name="line.1515"></a>
<span class="sourceLineNo">1516</span> storeFlushCtx.commit(Mockito.mock(MonitoredTask.class));<a name="line.1516"></a>
<span class="sourceLineNo">1517</span> }<a name="line.1517"></a>
<span class="sourceLineNo">1518</span><a name="line.1518"></a>
<span class="sourceLineNo">1519</span> @Test<a name="line.1519"></a>
<span class="sourceLineNo">1520</span> public void testAge() throws IOException {<a name="line.1520"></a>
<span class="sourceLineNo">1521</span> long currentTime = System.currentTimeMillis();<a name="line.1521"></a>
<span class="sourceLineNo">1522</span> ManualEnvironmentEdge edge = new ManualEnvironmentEdge();<a name="line.1522"></a>
<span class="sourceLineNo">1523</span> edge.setValue(currentTime);<a name="line.1523"></a>
<span class="sourceLineNo">1524</span> EnvironmentEdgeManager.injectEdge(edge);<a name="line.1524"></a>
<span class="sourceLineNo">1525</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.1525"></a>
<span class="sourceLineNo">1526</span> ColumnFamilyDescriptor hcd = ColumnFamilyDescriptorBuilder.of(family);<a name="line.1526"></a>
<span class="sourceLineNo">1527</span> initHRegion(name.getMethodName(), conf,<a name="line.1527"></a>
<span class="sourceLineNo">1528</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(table)), hcd, null, false);<a name="line.1528"></a>
<span class="sourceLineNo">1529</span> HStore store = new HStore(region, hcd, conf, false) {<a name="line.1529"></a>
<span class="sourceLineNo">1530</span><a name="line.1530"></a>
<span class="sourceLineNo">1531</span> @Override<a name="line.1531"></a>
<span class="sourceLineNo">1532</span> protected StoreEngine&lt;?, ?, ?, ?&gt; createStoreEngine(HStore store, Configuration conf,<a name="line.1532"></a>
<span class="sourceLineNo">1533</span> CellComparator kvComparator) throws IOException {<a name="line.1533"></a>
<span class="sourceLineNo">1534</span> List&lt;HStoreFile&gt; storefiles =<a name="line.1534"></a>
<span class="sourceLineNo">1535</span> Arrays.asList(mockStoreFile(currentTime - 10), mockStoreFile(currentTime - 100),<a name="line.1535"></a>
<span class="sourceLineNo">1536</span> mockStoreFile(currentTime - 1000), mockStoreFile(currentTime - 10000));<a name="line.1536"></a>
<span class="sourceLineNo">1537</span> StoreFileManager sfm = mock(StoreFileManager.class);<a name="line.1537"></a>
<span class="sourceLineNo">1538</span> when(sfm.getStorefiles()).thenReturn(storefiles);<a name="line.1538"></a>
<span class="sourceLineNo">1539</span> StoreEngine&lt;?, ?, ?, ?&gt; storeEngine = mock(StoreEngine.class);<a name="line.1539"></a>
<span class="sourceLineNo">1540</span> when(storeEngine.getStoreFileManager()).thenReturn(sfm);<a name="line.1540"></a>
<span class="sourceLineNo">1541</span> return storeEngine;<a name="line.1541"></a>
<span class="sourceLineNo">1542</span> }<a name="line.1542"></a>
<span class="sourceLineNo">1543</span> };<a name="line.1543"></a>
<span class="sourceLineNo">1544</span> assertEquals(10L, store.getMinStoreFileAge().getAsLong());<a name="line.1544"></a>
<span class="sourceLineNo">1545</span> assertEquals(10000L, store.getMaxStoreFileAge().getAsLong());<a name="line.1545"></a>
<span class="sourceLineNo">1546</span> assertEquals((10 + 100 + 1000 + 10000) / 4.0, store.getAvgStoreFileAge().getAsDouble(), 1E-4);<a name="line.1546"></a>
<span class="sourceLineNo">1547</span> }<a name="line.1547"></a>
<span class="sourceLineNo">1548</span><a name="line.1548"></a>
<span class="sourceLineNo">1549</span> private HStoreFile mockStoreFile(long createdTime) {<a name="line.1549"></a>
<span class="sourceLineNo">1550</span> StoreFileInfo info = mock(StoreFileInfo.class);<a name="line.1550"></a>
<span class="sourceLineNo">1551</span> when(info.getCreatedTimestamp()).thenReturn(createdTime);<a name="line.1551"></a>
<span class="sourceLineNo">1552</span> HStoreFile sf = mock(HStoreFile.class);<a name="line.1552"></a>
<span class="sourceLineNo">1553</span> when(sf.getReader()).thenReturn(mock(StoreFileReader.class));<a name="line.1553"></a>
<span class="sourceLineNo">1554</span> when(sf.isHFile()).thenReturn(true);<a name="line.1554"></a>
<span class="sourceLineNo">1555</span> when(sf.getFileInfo()).thenReturn(info);<a name="line.1555"></a>
<span class="sourceLineNo">1556</span> return sf;<a name="line.1556"></a>
<span class="sourceLineNo">1557</span> }<a name="line.1557"></a>
<span class="sourceLineNo">1558</span><a name="line.1558"></a>
<span class="sourceLineNo">1559</span> private MyStore initMyStore(String methodName, Configuration conf, MyStoreHook hook)<a name="line.1559"></a>
<span class="sourceLineNo">1560</span> throws IOException {<a name="line.1560"></a>
<span class="sourceLineNo">1561</span> return (MyStore) init(methodName, conf,<a name="line.1561"></a>
<span class="sourceLineNo">1562</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(table)),<a name="line.1562"></a>
<span class="sourceLineNo">1563</span> ColumnFamilyDescriptorBuilder.newBuilder(family).setMaxVersions(5).build(), hook);<a name="line.1563"></a>
<span class="sourceLineNo">1564</span> }<a name="line.1564"></a>
<span class="sourceLineNo">1565</span><a name="line.1565"></a>
<span class="sourceLineNo">1566</span> private static class MyStore extends HStore {<a name="line.1566"></a>
<span class="sourceLineNo">1567</span> private final MyStoreHook hook;<a name="line.1567"></a>
<span class="sourceLineNo">1568</span><a name="line.1568"></a>
<span class="sourceLineNo">1569</span> MyStore(final HRegion region, final ColumnFamilyDescriptor family, final Configuration<a name="line.1569"></a>
<span class="sourceLineNo">1570</span> confParam, MyStoreHook hook, boolean switchToPread) throws IOException {<a name="line.1570"></a>
<span class="sourceLineNo">1571</span> super(region, family, confParam, false);<a name="line.1571"></a>
<span class="sourceLineNo">1572</span> this.hook = hook;<a name="line.1572"></a>
<span class="sourceLineNo">1573</span> }<a name="line.1573"></a>
<span class="sourceLineNo">1574</span><a name="line.1574"></a>
<span class="sourceLineNo">1575</span> @Override<a name="line.1575"></a>
<span class="sourceLineNo">1576</span> public List&lt;KeyValueScanner&gt; getScanners(List&lt;HStoreFile&gt; files, boolean cacheBlocks,<a name="line.1576"></a>
<span class="sourceLineNo">1577</span> boolean usePread, boolean isCompaction, ScanQueryMatcher matcher, byte[] startRow,<a name="line.1577"></a>
<span class="sourceLineNo">1578</span> boolean includeStartRow, byte[] stopRow, boolean includeStopRow, long readPt,<a name="line.1578"></a>
<span class="sourceLineNo">1579</span> boolean includeMemstoreScanner) throws IOException {<a name="line.1579"></a>
<span class="sourceLineNo">1580</span> hook.getScanners(this);<a name="line.1580"></a>
<span class="sourceLineNo">1581</span> return super.getScanners(files, cacheBlocks, usePread, isCompaction, matcher, startRow, true,<a name="line.1581"></a>
<span class="sourceLineNo">1582</span> stopRow, false, readPt, includeMemstoreScanner);<a name="line.1582"></a>
<span class="sourceLineNo">1583</span> }<a name="line.1583"></a>
<span class="sourceLineNo">1584</span><a name="line.1584"></a>
<span class="sourceLineNo">1585</span> @Override<a name="line.1585"></a>
<span class="sourceLineNo">1586</span> public long getSmallestReadPoint() {<a name="line.1586"></a>
<span class="sourceLineNo">1587</span> return hook.getSmallestReadPoint(this);<a name="line.1587"></a>
<span class="sourceLineNo">1588</span> }<a name="line.1588"></a>
<span class="sourceLineNo">1589</span> }<a name="line.1589"></a>
<span class="sourceLineNo">1590</span><a name="line.1590"></a>
<span class="sourceLineNo">1591</span> private abstract static class MyStoreHook {<a name="line.1591"></a>
<span class="sourceLineNo">1592</span><a name="line.1592"></a>
<span class="sourceLineNo">1593</span> void getScanners(MyStore store) throws IOException {<a name="line.1593"></a>
<span class="sourceLineNo">1594</span> }<a name="line.1594"></a>
<span class="sourceLineNo">1595</span><a name="line.1595"></a>
<span class="sourceLineNo">1596</span> long getSmallestReadPoint(HStore store) {<a name="line.1596"></a>
<span class="sourceLineNo">1597</span> return store.getHRegion().getSmallestReadPoint();<a name="line.1597"></a>
<span class="sourceLineNo">1598</span> }<a name="line.1598"></a>
<span class="sourceLineNo">1599</span> }<a name="line.1599"></a>
<span class="sourceLineNo">1600</span><a name="line.1600"></a>
<span class="sourceLineNo">1601</span> @Test<a name="line.1601"></a>
<span class="sourceLineNo">1602</span> public void testSwitchingPreadtoStreamParallelyWithCompactionDischarger() throws Exception {<a name="line.1602"></a>
<span class="sourceLineNo">1603</span> Configuration conf = HBaseConfiguration.create();<a name="line.1603"></a>
<span class="sourceLineNo">1604</span> conf.set("hbase.hstore.engine.class", DummyStoreEngine.class.getName());<a name="line.1604"></a>
<span class="sourceLineNo">1605</span> conf.setLong(StoreScanner.STORESCANNER_PREAD_MAX_BYTES, 0);<a name="line.1605"></a>
<span class="sourceLineNo">1606</span> // Set the lower threshold to invoke the "MERGE" policy<a name="line.1606"></a>
<span class="sourceLineNo">1607</span> MyStore store = initMyStore(name.getMethodName(), conf, new MyStoreHook() {});<a name="line.1607"></a>
<span class="sourceLineNo">1608</span> MemStoreSizing memStoreSizing = new NonThreadSafeMemStoreSizing();<a name="line.1608"></a>
<span class="sourceLineNo">1609</span> long ts = System.currentTimeMillis();<a name="line.1609"></a>
<span class="sourceLineNo">1610</span> long seqID = 1L;<a name="line.1610"></a>
<span class="sourceLineNo">1611</span> // Add some data to the region and do some flushes<a name="line.1611"></a>
<span class="sourceLineNo">1612</span> for (int i = 1; i &lt; 10; i++) {<a name="line.1612"></a>
<span class="sourceLineNo">1613</span> store.add(createCell(Bytes.toBytes("row" + i), qf1, ts, seqID++, Bytes.toBytes("")),<a name="line.1613"></a>
<span class="sourceLineNo">1614</span> memStoreSizing);<a name="line.1614"></a>
<span class="sourceLineNo">1615</span> }<a name="line.1615"></a>
<span class="sourceLineNo">1616</span> // flush them<a name="line.1616"></a>
<span class="sourceLineNo">1617</span> flushStore(store, seqID);<a name="line.1617"></a>
<span class="sourceLineNo">1618</span> for (int i = 11; i &lt; 20; i++) {<a name="line.1618"></a>
<span class="sourceLineNo">1619</span> store.add(createCell(Bytes.toBytes("row" + i), qf1, ts, seqID++, Bytes.toBytes("")),<a name="line.1619"></a>
<span class="sourceLineNo">1620</span> memStoreSizing);<a name="line.1620"></a>
<span class="sourceLineNo">1621</span> }<a name="line.1621"></a>
<span class="sourceLineNo">1622</span> // flush them<a name="line.1622"></a>
<span class="sourceLineNo">1623</span> flushStore(store, seqID);<a name="line.1623"></a>
<span class="sourceLineNo">1624</span> for (int i = 21; i &lt; 30; i++) {<a name="line.1624"></a>
<span class="sourceLineNo">1625</span> store.add(createCell(Bytes.toBytes("row" + i), qf1, ts, seqID++, Bytes.toBytes("")),<a name="line.1625"></a>
<span class="sourceLineNo">1626</span> memStoreSizing);<a name="line.1626"></a>
<span class="sourceLineNo">1627</span> }<a name="line.1627"></a>
<span class="sourceLineNo">1628</span> // flush them<a name="line.1628"></a>
<span class="sourceLineNo">1629</span> flushStore(store, seqID);<a name="line.1629"></a>
<span class="sourceLineNo">1630</span><a name="line.1630"></a>
<span class="sourceLineNo">1631</span> assertEquals(3, store.getStorefilesCount());<a name="line.1631"></a>
<span class="sourceLineNo">1632</span> Scan scan = new Scan();<a name="line.1632"></a>
<span class="sourceLineNo">1633</span> scan.addFamily(family);<a name="line.1633"></a>
<span class="sourceLineNo">1634</span> Collection&lt;HStoreFile&gt; storefiles2 = store.getStorefiles();<a name="line.1634"></a>
<span class="sourceLineNo">1635</span> ArrayList&lt;HStoreFile&gt; actualStorefiles = Lists.newArrayList(storefiles2);<a name="line.1635"></a>
<span class="sourceLineNo">1636</span> StoreScanner storeScanner =<a name="line.1636"></a>
<span class="sourceLineNo">1637</span> (StoreScanner) store.getScanner(scan, scan.getFamilyMap().get(family), Long.MAX_VALUE);<a name="line.1637"></a>
<span class="sourceLineNo">1638</span> // get the current heap<a name="line.1638"></a>
<span class="sourceLineNo">1639</span> KeyValueHeap heap = storeScanner.heap;<a name="line.1639"></a>
<span class="sourceLineNo">1640</span> // create more store files<a name="line.1640"></a>
<span class="sourceLineNo">1641</span> for (int i = 31; i &lt; 40; i++) {<a name="line.1641"></a>
<span class="sourceLineNo">1642</span> store.add(createCell(Bytes.toBytes("row" + i), qf1, ts, seqID++, Bytes.toBytes("")),<a name="line.1642"></a>
<span class="sourceLineNo">1643</span> memStoreSizing);<a name="line.1643"></a>
<span class="sourceLineNo">1644</span> }<a name="line.1644"></a>
<span class="sourceLineNo">1645</span> // flush them<a name="line.1645"></a>
<span class="sourceLineNo">1646</span> flushStore(store, seqID);<a name="line.1646"></a>
<span class="sourceLineNo">1647</span><a name="line.1647"></a>
<span class="sourceLineNo">1648</span> for (int i = 41; i &lt; 50; i++) {<a name="line.1648"></a>
<span class="sourceLineNo">1649</span> store.add(createCell(Bytes.toBytes("row" + i), qf1, ts, seqID++, Bytes.toBytes("")),<a name="line.1649"></a>
<span class="sourceLineNo">1650</span> memStoreSizing);<a name="line.1650"></a>
<span class="sourceLineNo">1651</span> }<a name="line.1651"></a>
<span class="sourceLineNo">1652</span> // flush them<a name="line.1652"></a>
<span class="sourceLineNo">1653</span> flushStore(store, seqID);<a name="line.1653"></a>
<span class="sourceLineNo">1654</span> storefiles2 = store.getStorefiles();<a name="line.1654"></a>
<span class="sourceLineNo">1655</span> ArrayList&lt;HStoreFile&gt; actualStorefiles1 = Lists.newArrayList(storefiles2);<a name="line.1655"></a>
<span class="sourceLineNo">1656</span> actualStorefiles1.removeAll(actualStorefiles);<a name="line.1656"></a>
<span class="sourceLineNo">1657</span> // Do compaction<a name="line.1657"></a>
<span class="sourceLineNo">1658</span> MyThread thread = new MyThread(storeScanner);<a name="line.1658"></a>
<span class="sourceLineNo">1659</span> thread.start();<a name="line.1659"></a>
<span class="sourceLineNo">1660</span> store.replaceStoreFiles(actualStorefiles, actualStorefiles1);<a name="line.1660"></a>
<span class="sourceLineNo">1661</span> thread.join();<a name="line.1661"></a>
<span class="sourceLineNo">1662</span> KeyValueHeap heap2 = thread.getHeap();<a name="line.1662"></a>
<span class="sourceLineNo">1663</span> assertFalse(heap.equals(heap2));<a name="line.1663"></a>
<span class="sourceLineNo">1664</span> }<a name="line.1664"></a>
<span class="sourceLineNo">1665</span><a name="line.1665"></a>
<span class="sourceLineNo">1666</span> @Test<a name="line.1666"></a>
<span class="sourceLineNo">1667</span> public void testSpaceQuotaChangeAfterReplacement() throws IOException {<a name="line.1667"></a>
<span class="sourceLineNo">1668</span> final TableName tn = TableName.valueOf(name.getMethodName());<a name="line.1668"></a>
<span class="sourceLineNo">1669</span> init(name.getMethodName());<a name="line.1669"></a>
<span class="sourceLineNo">1670</span><a name="line.1670"></a>
<span class="sourceLineNo">1671</span> RegionSizeStoreImpl sizeStore = new RegionSizeStoreImpl();<a name="line.1671"></a>
<span class="sourceLineNo">1672</span><a name="line.1672"></a>
<span class="sourceLineNo">1673</span> HStoreFile sf1 = mockStoreFileWithLength(1024L);<a name="line.1673"></a>
<span class="sourceLineNo">1674</span> HStoreFile sf2 = mockStoreFileWithLength(2048L);<a name="line.1674"></a>
<span class="sourceLineNo">1675</span> HStoreFile sf3 = mockStoreFileWithLength(4096L);<a name="line.1675"></a>
<span class="sourceLineNo">1676</span> HStoreFile sf4 = mockStoreFileWithLength(8192L);<a name="line.1676"></a>
<span class="sourceLineNo">1677</span><a name="line.1677"></a>
<span class="sourceLineNo">1678</span> RegionInfo regionInfo = RegionInfoBuilder.newBuilder(tn).setStartKey(Bytes.toBytes("a"))<a name="line.1678"></a>
<span class="sourceLineNo">1679</span> .setEndKey(Bytes.toBytes("b")).build();<a name="line.1679"></a>
<span class="sourceLineNo">1680</span><a name="line.1680"></a>
<span class="sourceLineNo">1681</span> // Compacting two files down to one, reducing size<a name="line.1681"></a>
<span class="sourceLineNo">1682</span> sizeStore.put(regionInfo, 1024L + 4096L);<a name="line.1682"></a>
<span class="sourceLineNo">1683</span> store.updateSpaceQuotaAfterFileReplacement(<a name="line.1683"></a>
<span class="sourceLineNo">1684</span> sizeStore, regionInfo, Arrays.asList(sf1, sf3), Arrays.asList(sf2));<a name="line.1684"></a>
<span class="sourceLineNo">1685</span><a name="line.1685"></a>
<span class="sourceLineNo">1686</span> assertEquals(2048L, sizeStore.getRegionSize(regionInfo).getSize());<a name="line.1686"></a>
<span class="sourceLineNo">1687</span><a name="line.1687"></a>
<span class="sourceLineNo">1688</span> // The same file length in and out should have no change<a name="line.1688"></a>
<span class="sourceLineNo">1689</span> store.updateSpaceQuotaAfterFileReplacement(<a name="line.1689"></a>
<span class="sourceLineNo">1690</span> sizeStore, regionInfo, Arrays.asList(sf2), Arrays.asList(sf2));<a name="line.1690"></a>
<span class="sourceLineNo">1691</span><a name="line.1691"></a>
<span class="sourceLineNo">1692</span> assertEquals(2048L, sizeStore.getRegionSize(regionInfo).getSize());<a name="line.1692"></a>
<span class="sourceLineNo">1693</span><a name="line.1693"></a>
<span class="sourceLineNo">1694</span> // Increase the total size used<a name="line.1694"></a>
<span class="sourceLineNo">1695</span> store.updateSpaceQuotaAfterFileReplacement(<a name="line.1695"></a>
<span class="sourceLineNo">1696</span> sizeStore, regionInfo, Arrays.asList(sf2), Arrays.asList(sf3));<a name="line.1696"></a>
<span class="sourceLineNo">1697</span><a name="line.1697"></a>
<span class="sourceLineNo">1698</span> assertEquals(4096L, sizeStore.getRegionSize(regionInfo).getSize());<a name="line.1698"></a>
<span class="sourceLineNo">1699</span><a name="line.1699"></a>
<span class="sourceLineNo">1700</span> RegionInfo regionInfo2 = RegionInfoBuilder.newBuilder(tn).setStartKey(Bytes.toBytes("b"))<a name="line.1700"></a>
<span class="sourceLineNo">1701</span> .setEndKey(Bytes.toBytes("c")).build();<a name="line.1701"></a>
<span class="sourceLineNo">1702</span> store.updateSpaceQuotaAfterFileReplacement(sizeStore, regionInfo2, null, Arrays.asList(sf4));<a name="line.1702"></a>
<span class="sourceLineNo">1703</span><a name="line.1703"></a>
<span class="sourceLineNo">1704</span> assertEquals(8192L, sizeStore.getRegionSize(regionInfo2).getSize());<a name="line.1704"></a>
<span class="sourceLineNo">1705</span> }<a name="line.1705"></a>
<span class="sourceLineNo">1706</span><a name="line.1706"></a>
<span class="sourceLineNo">1707</span> @Test<a name="line.1707"></a>
<span class="sourceLineNo">1708</span> public void testHFileContextSetWithCFAndTable() throws Exception {<a name="line.1708"></a>
<span class="sourceLineNo">1709</span> init(this.name.getMethodName());<a name="line.1709"></a>
<span class="sourceLineNo">1710</span> StoreFileWriter writer = store.createWriterInTmp(10000L,<a name="line.1710"></a>
<span class="sourceLineNo">1711</span> Compression.Algorithm.NONE, false, true, false, true);<a name="line.1711"></a>
<span class="sourceLineNo">1712</span> HFileContext hFileContext = writer.getHFileWriter().getFileContext();<a name="line.1712"></a>
<span class="sourceLineNo">1713</span> assertArrayEquals(family, hFileContext.getColumnFamily());<a name="line.1713"></a>
<span class="sourceLineNo">1714</span> assertArrayEquals(table, hFileContext.getTableName());<a name="line.1714"></a>
<span class="sourceLineNo">1715</span> }<a name="line.1715"></a>
<span class="sourceLineNo">1716</span><a name="line.1716"></a>
<span class="sourceLineNo">1717</span> private HStoreFile mockStoreFileWithLength(long length) {<a name="line.1717"></a>
<span class="sourceLineNo">1718</span> HStoreFile sf = mock(HStoreFile.class);<a name="line.1718"></a>
<span class="sourceLineNo">1719</span> StoreFileReader sfr = mock(StoreFileReader.class);<a name="line.1719"></a>
<span class="sourceLineNo">1720</span> when(sf.isHFile()).thenReturn(true);<a name="line.1720"></a>
<span class="sourceLineNo">1721</span> when(sf.getReader()).thenReturn(sfr);<a name="line.1721"></a>
<span class="sourceLineNo">1722</span> when(sfr.length()).thenReturn(length);<a name="line.1722"></a>
<span class="sourceLineNo">1723</span> return sf;<a name="line.1723"></a>
<span class="sourceLineNo">1724</span> }<a name="line.1724"></a>
<span class="sourceLineNo">1725</span><a name="line.1725"></a>
<span class="sourceLineNo">1726</span> private static class MyThread extends Thread {<a name="line.1726"></a>
<span class="sourceLineNo">1727</span> private StoreScanner scanner;<a name="line.1727"></a>
<span class="sourceLineNo">1728</span> private KeyValueHeap heap;<a name="line.1728"></a>
<span class="sourceLineNo">1729</span><a name="line.1729"></a>
<span class="sourceLineNo">1730</span> public MyThread(StoreScanner scanner) {<a name="line.1730"></a>
<span class="sourceLineNo">1731</span> this.scanner = scanner;<a name="line.1731"></a>
<span class="sourceLineNo">1732</span> }<a name="line.1732"></a>
<span class="sourceLineNo">1733</span><a name="line.1733"></a>
<span class="sourceLineNo">1734</span> public KeyValueHeap getHeap() {<a name="line.1734"></a>
<span class="sourceLineNo">1735</span> return this.heap;<a name="line.1735"></a>
<span class="sourceLineNo">1736</span> }<a name="line.1736"></a>
<span class="sourceLineNo">1737</span><a name="line.1737"></a>
<span class="sourceLineNo">1738</span> @Override<a name="line.1738"></a>
<span class="sourceLineNo">1739</span> public void run() {<a name="line.1739"></a>
<span class="sourceLineNo">1740</span> scanner.trySwitchToStreamRead();<a name="line.1740"></a>
<span class="sourceLineNo">1741</span> heap = scanner.heap;<a name="line.1741"></a>
<span class="sourceLineNo">1742</span> }<a name="line.1742"></a>
<span class="sourceLineNo">1743</span> }<a name="line.1743"></a>
<span class="sourceLineNo">1744</span><a name="line.1744"></a>
<span class="sourceLineNo">1745</span> private static class MyMemStoreCompactor extends MemStoreCompactor {<a name="line.1745"></a>
<span class="sourceLineNo">1746</span> private static final AtomicInteger RUNNER_COUNT = new AtomicInteger(0);<a name="line.1746"></a>
<span class="sourceLineNo">1747</span> private static final CountDownLatch START_COMPACTOR_LATCH = new CountDownLatch(1);<a name="line.1747"></a>
<span class="sourceLineNo">1748</span> public MyMemStoreCompactor(CompactingMemStore compactingMemStore, MemoryCompactionPolicy<a name="line.1748"></a>
<span class="sourceLineNo">1749</span> compactionPolicy) throws IllegalArgumentIOException {<a name="line.1749"></a>
<span class="sourceLineNo">1750</span> super(compactingMemStore, compactionPolicy);<a name="line.1750"></a>
<span class="sourceLineNo">1751</span> }<a name="line.1751"></a>
<span class="sourceLineNo">1752</span><a name="line.1752"></a>
<span class="sourceLineNo">1753</span> @Override<a name="line.1753"></a>
<span class="sourceLineNo">1754</span> public boolean start() throws IOException {<a name="line.1754"></a>
<span class="sourceLineNo">1755</span> boolean isFirst = RUNNER_COUNT.getAndIncrement() == 0;<a name="line.1755"></a>
<span class="sourceLineNo">1756</span> if (isFirst) {<a name="line.1756"></a>
<span class="sourceLineNo">1757</span> try {<a name="line.1757"></a>
<span class="sourceLineNo">1758</span> START_COMPACTOR_LATCH.await();<a name="line.1758"></a>
<span class="sourceLineNo">1759</span> return super.start();<a name="line.1759"></a>
<span class="sourceLineNo">1760</span> } catch (InterruptedException ex) {<a name="line.1760"></a>
<span class="sourceLineNo">1761</span> throw new RuntimeException(ex);<a name="line.1761"></a>
<span class="sourceLineNo">1762</span> }<a name="line.1762"></a>
<span class="sourceLineNo">1763</span> }<a name="line.1763"></a>
<span class="sourceLineNo">1764</span> return super.start();<a name="line.1764"></a>
<span class="sourceLineNo">1765</span> }<a name="line.1765"></a>
<span class="sourceLineNo">1766</span> }<a name="line.1766"></a>
<span class="sourceLineNo">1767</span><a name="line.1767"></a>
<span class="sourceLineNo">1768</span> public static class MyCompactingMemStoreWithCustomCompactor extends CompactingMemStore {<a name="line.1768"></a>
<span class="sourceLineNo">1769</span> private static final AtomicInteger RUNNER_COUNT = new AtomicInteger(0);<a name="line.1769"></a>
<span class="sourceLineNo">1770</span> public MyCompactingMemStoreWithCustomCompactor(Configuration conf, CellComparatorImpl c,<a name="line.1770"></a>
<span class="sourceLineNo">1771</span> HStore store, RegionServicesForStores regionServices,<a name="line.1771"></a>
<span class="sourceLineNo">1772</span> MemoryCompactionPolicy compactionPolicy) throws IOException {<a name="line.1772"></a>
<span class="sourceLineNo">1773</span> super(conf, c, store, regionServices, compactionPolicy);<a name="line.1773"></a>
<span class="sourceLineNo">1774</span> }<a name="line.1774"></a>
<span class="sourceLineNo">1775</span><a name="line.1775"></a>
<span class="sourceLineNo">1776</span> @Override<a name="line.1776"></a>
<span class="sourceLineNo">1777</span> protected MemStoreCompactor createMemStoreCompactor(MemoryCompactionPolicy compactionPolicy)<a name="line.1777"></a>
<span class="sourceLineNo">1778</span> throws IllegalArgumentIOException {<a name="line.1778"></a>
<span class="sourceLineNo">1779</span> return new MyMemStoreCompactor(this, compactionPolicy);<a name="line.1779"></a>
<span class="sourceLineNo">1780</span> }<a name="line.1780"></a>
<span class="sourceLineNo">1781</span><a name="line.1781"></a>
<span class="sourceLineNo">1782</span> @Override<a name="line.1782"></a>
<span class="sourceLineNo">1783</span> protected boolean setInMemoryCompactionFlag() {<a name="line.1783"></a>
<span class="sourceLineNo">1784</span> boolean rval = super.setInMemoryCompactionFlag();<a name="line.1784"></a>
<span class="sourceLineNo">1785</span> if (rval) {<a name="line.1785"></a>
<span class="sourceLineNo">1786</span> RUNNER_COUNT.incrementAndGet();<a name="line.1786"></a>
<span class="sourceLineNo">1787</span> if (LOG.isDebugEnabled()) {<a name="line.1787"></a>
<span class="sourceLineNo">1788</span> LOG.debug("runner count: " + RUNNER_COUNT.get());<a name="line.1788"></a>
<span class="sourceLineNo">1789</span> }<a name="line.1789"></a>
<span class="sourceLineNo">1790</span> }<a name="line.1790"></a>
<span class="sourceLineNo">1791</span> return rval;<a name="line.1791"></a>
<span class="sourceLineNo">1792</span> }<a name="line.1792"></a>
<span class="sourceLineNo">1793</span> }<a name="line.1793"></a>
<span class="sourceLineNo">1794</span><a name="line.1794"></a>
<span class="sourceLineNo">1795</span> public static class MyCompactingMemStore extends CompactingMemStore {<a name="line.1795"></a>
<span class="sourceLineNo">1796</span> private static final AtomicBoolean START_TEST = new AtomicBoolean(false);<a name="line.1796"></a>
<span class="sourceLineNo">1797</span> private final CountDownLatch getScannerLatch = new CountDownLatch(1);<a name="line.1797"></a>
<span class="sourceLineNo">1798</span> private final CountDownLatch snapshotLatch = new CountDownLatch(1);<a name="line.1798"></a>
<span class="sourceLineNo">1799</span> public MyCompactingMemStore(Configuration conf, CellComparatorImpl c,<a name="line.1799"></a>
<span class="sourceLineNo">1800</span> HStore store, RegionServicesForStores regionServices,<a name="line.1800"></a>
<span class="sourceLineNo">1801</span> MemoryCompactionPolicy compactionPolicy) throws IOException {<a name="line.1801"></a>
<span class="sourceLineNo">1802</span> super(conf, c, store, regionServices, compactionPolicy);<a name="line.1802"></a>
<span class="sourceLineNo">1803</span> }<a name="line.1803"></a>
<span class="sourceLineNo">1804</span><a name="line.1804"></a>
<span class="sourceLineNo">1805</span> @Override<a name="line.1805"></a>
<span class="sourceLineNo">1806</span> protected List&lt;KeyValueScanner&gt; createList(int capacity) {<a name="line.1806"></a>
<span class="sourceLineNo">1807</span> if (START_TEST.get()) {<a name="line.1807"></a>
<span class="sourceLineNo">1808</span> try {<a name="line.1808"></a>
<span class="sourceLineNo">1809</span> getScannerLatch.countDown();<a name="line.1809"></a>
<span class="sourceLineNo">1810</span> snapshotLatch.await();<a name="line.1810"></a>
<span class="sourceLineNo">1811</span> } catch (InterruptedException e) {<a name="line.1811"></a>
<span class="sourceLineNo">1812</span> throw new RuntimeException(e);<a name="line.1812"></a>
<span class="sourceLineNo">1813</span> }<a name="line.1813"></a>
<span class="sourceLineNo">1814</span> }<a name="line.1814"></a>
<span class="sourceLineNo">1815</span> return new ArrayList&lt;&gt;(capacity);<a name="line.1815"></a>
<span class="sourceLineNo">1816</span> }<a name="line.1816"></a>
<span class="sourceLineNo">1817</span> @Override<a name="line.1817"></a>
<span class="sourceLineNo">1818</span> protected void pushActiveToPipeline(MutableSegment active) {<a name="line.1818"></a>
<span class="sourceLineNo">1819</span> if (START_TEST.get()) {<a name="line.1819"></a>
<span class="sourceLineNo">1820</span> try {<a name="line.1820"></a>
<span class="sourceLineNo">1821</span> getScannerLatch.await();<a name="line.1821"></a>
<span class="sourceLineNo">1822</span> } catch (InterruptedException e) {<a name="line.1822"></a>
<span class="sourceLineNo">1823</span> throw new RuntimeException(e);<a name="line.1823"></a>
<span class="sourceLineNo">1824</span> }<a name="line.1824"></a>
<span class="sourceLineNo">1825</span> }<a name="line.1825"></a>
<span class="sourceLineNo">1826</span><a name="line.1826"></a>
<span class="sourceLineNo">1827</span> super.pushActiveToPipeline(active);<a name="line.1827"></a>
<span class="sourceLineNo">1828</span> if (START_TEST.get()) {<a name="line.1828"></a>
<span class="sourceLineNo">1829</span> snapshotLatch.countDown();<a name="line.1829"></a>
<span class="sourceLineNo">1830</span> }<a name="line.1830"></a>
<span class="sourceLineNo">1831</span> }<a name="line.1831"></a>
<span class="sourceLineNo">1832</span> }<a name="line.1832"></a>
<span class="sourceLineNo">1833</span><a name="line.1833"></a>
<span class="sourceLineNo">1834</span> interface MyListHook {<a name="line.1834"></a>
<span class="sourceLineNo">1835</span> void hook(int currentSize);<a name="line.1835"></a>
<span class="sourceLineNo">1836</span> }<a name="line.1836"></a>
<span class="sourceLineNo">1837</span><a name="line.1837"></a>
<span class="sourceLineNo">1838</span> private static class MyList&lt;T&gt; implements List&lt;T&gt; {<a name="line.1838"></a>
<span class="sourceLineNo">1839</span> private final List&lt;T&gt; delegatee = new ArrayList&lt;&gt;();<a name="line.1839"></a>
<span class="sourceLineNo">1840</span> private final MyListHook hookAtAdd;<a name="line.1840"></a>
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<span class="sourceLineNo">1842</span> this.hookAtAdd = hookAtAdd;<a name="line.1842"></a>
<span class="sourceLineNo">1843</span> }<a name="line.1843"></a>
<span class="sourceLineNo">1844</span> @Override<a name="line.1844"></a>
<span class="sourceLineNo">1845</span> public int size() {return delegatee.size();}<a name="line.1845"></a>
<span class="sourceLineNo">1846</span><a name="line.1846"></a>
<span class="sourceLineNo">1847</span> @Override<a name="line.1847"></a>
<span class="sourceLineNo">1848</span> public boolean isEmpty() {return delegatee.isEmpty();}<a name="line.1848"></a>
<span class="sourceLineNo">1849</span><a name="line.1849"></a>
<span class="sourceLineNo">1850</span> @Override<a name="line.1850"></a>
<span class="sourceLineNo">1851</span> public boolean contains(Object o) {return delegatee.contains(o);}<a name="line.1851"></a>
<span class="sourceLineNo">1852</span><a name="line.1852"></a>
<span class="sourceLineNo">1853</span> @Override<a name="line.1853"></a>
<span class="sourceLineNo">1854</span> public Iterator&lt;T&gt; iterator() {return delegatee.iterator();}<a name="line.1854"></a>
<span class="sourceLineNo">1855</span><a name="line.1855"></a>
<span class="sourceLineNo">1856</span> @Override<a name="line.1856"></a>
<span class="sourceLineNo">1857</span> public Object[] toArray() {return delegatee.toArray();}<a name="line.1857"></a>
<span class="sourceLineNo">1858</span><a name="line.1858"></a>
<span class="sourceLineNo">1859</span> @Override<a name="line.1859"></a>
<span class="sourceLineNo">1860</span> public &lt;R&gt; R[] toArray(R[] a) {return delegatee.toArray(a);}<a name="line.1860"></a>
<span class="sourceLineNo">1861</span><a name="line.1861"></a>
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</pre>
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