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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.apache.hadoop.hbase.HBaseTestingUtil.START_KEY_BYTES;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.HBaseTestingUtil.fam1;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.HBaseTestingUtil.fam2;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertEquals;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.junit.Assert.assertTrue;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Collection;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.Optional;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.stream.Collectors;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.conf.Configuration;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HConstants;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HTestConst;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.TableName;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.Get;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.Result;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Table;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.regionserver.throttle.NoLimitThroughputController;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.junit.After;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.Before;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.BeforeClass;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.ClassRule;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.Rule;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.Test;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.experimental.categories.Category;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.junit.rules.TestName;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span>/**<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * Test minor compactions<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>@Category({ RegionServerTests.class, SmallTests.class })<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>public class TestMinorCompaction {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @ClassRule<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> HBaseClassTestRule.forClass(TestMinorCompaction.class);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> @Rule<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> public TestName name = new TestName();<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static Configuration CONF = UTIL.getConfiguration();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private HRegion r = null;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private TableDescriptor htd = null;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private static int COMPACTION_THRESHOLD;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private static byte[] FIRST_ROW_BYTES, SECOND_ROW_BYTES, THIRD_ROW_BYTES;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private static byte[] COL1, COL2;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public static final class MyCompactionPolicy extends RatioBasedCompactionPolicy {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> public MyCompactionPolicy(Configuration conf, StoreConfigInformation storeConfigInfo) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> super(conf, storeConfigInfo);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> @Override<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public CompactionRequestImpl selectCompaction(Collection<HStoreFile> candidateFiles,<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> List<HStoreFile> filesCompacting, boolean isUserCompaction, boolean mayUseOffPeak,<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> boolean forceMajor) throws IOException {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> return new CompactionRequestImpl(<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> candidateFiles.stream().filter(f -> !filesCompacting.contains(f))<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> .limit(COMPACTION_THRESHOLD).collect(Collectors.toList()));<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> @BeforeClass<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> public static void setUpBeforeClass() {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> // Set cache flush size to 1MB<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> CONF.setInt(HConstants.HREGION_MEMSTORE_FLUSH_SIZE, 1024 * 1024);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> CONF.setInt(HConstants.HREGION_MEMSTORE_BLOCK_MULTIPLIER, 100);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> COMPACTION_THRESHOLD = CONF.getInt("hbase.hstore.compactionThreshold", 3);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> CONF.setClass(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY, MyCompactionPolicy.class,<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> RatioBasedCompactionPolicy.class);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> FIRST_ROW_BYTES = START_KEY_BYTES;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> SECOND_ROW_BYTES = START_KEY_BYTES.clone();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // Increment the least significant character so we get to next row.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> SECOND_ROW_BYTES[START_KEY_BYTES.length - 1]++;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> THIRD_ROW_BYTES = START_KEY_BYTES.clone();<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> THIRD_ROW_BYTES[START_KEY_BYTES.length - 1] =<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> (byte) (THIRD_ROW_BYTES[START_KEY_BYTES.length - 1] + 2);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> COL1 = Bytes.toBytes("column1");<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> COL2 = Bytes.toBytes("column2");<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span><a name="line.116"></a> |
| <span class="sourceLineNo">117</span> @Before<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public void setUp() throws Exception {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> this.htd = UTIL.createTableDescriptor(TableName.valueOf(name.getMethodName()),<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> ColumnFamilyDescriptorBuilder.DEFAULT_MIN_VERSIONS, 3, HConstants.FOREVER,<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> ColumnFamilyDescriptorBuilder.DEFAULT_KEEP_DELETED);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> this.r = UTIL.createLocalHRegion(htd, null, null);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> @After<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> public void tearDown() throws Exception {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> WAL wal = ((HRegion) r).getWAL();<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> ((HRegion) r).close();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> wal.close();<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> @Test<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> public void testMinorCompactionWithDeleteRow() throws Exception {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> Delete deleteRow = new Delete(SECOND_ROW_BYTES);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> testMinorCompactionWithDelete(deleteRow);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> @Test<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public void testMinorCompactionWithDeleteColumn1() throws Exception {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Delete dc = new Delete(SECOND_ROW_BYTES);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> /* delete all timestamps in the column */<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> dc.addColumns(fam2, COL2);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> testMinorCompactionWithDelete(dc);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> @Test<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> public void testMinorCompactionWithDeleteColumn2() throws Exception {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> Delete dc = new Delete(SECOND_ROW_BYTES);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> dc.addColumn(fam2, COL2);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> /*<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> * compactionThreshold is 3. The table has 4 versions: 0, 1, 2, and 3. we only delete the latest<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * version. One might expect to see only versions 1 and 2. HBase differs, and gives us 0, 1 and<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * 2. This is okay as well. Since there was no compaction done before the delete, version 0<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> * seems to stay on.<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> */<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> testMinorCompactionWithDelete(dc, 3);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> @Test<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> public void testMinorCompactionWithDeleteColumnFamily() throws Exception {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> Delete deleteCF = new Delete(SECOND_ROW_BYTES);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> deleteCF.addFamily(fam2);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> testMinorCompactionWithDelete(deleteCF);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> @Test<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> public void testMinorCompactionWithDeleteVersion1() throws Exception {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> Delete deleteVersion = new Delete(SECOND_ROW_BYTES);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> deleteVersion.addColumns(fam2, COL2, 2);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> /*<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> * compactionThreshold is 3. The table has 4 versions: 0, 1, 2, and 3. We delete versions 0 ...<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> * 2. So, we still have one remaining.<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> */<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> testMinorCompactionWithDelete(deleteVersion, 1);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> @Test<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> public void testMinorCompactionWithDeleteVersion2() throws Exception {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> Delete deleteVersion = new Delete(SECOND_ROW_BYTES);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> deleteVersion.addColumn(fam2, COL2, 1);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> /*<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * the table has 4 versions: 0, 1, 2, and 3. We delete 1. Should have 3 remaining.<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> */<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> testMinorCompactionWithDelete(deleteVersion, 3);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> }<a name="line.185"></a> |
| <span class="sourceLineNo">186</span><a name="line.186"></a> |
| <span class="sourceLineNo">187</span> /*<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> * A helper function to test the minor compaction algorithm. We check that the delete markers are<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> * left behind. Takes delete as an argument, which can be any delete (row, column, columnfamliy<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> * etc), that essentially deletes row2 and column2. row1 and column1 should be undeleted<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> */<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> private void testMinorCompactionWithDelete(Delete delete) throws Exception {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> testMinorCompactionWithDelete(delete, 0);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> private void testMinorCompactionWithDelete(Delete delete, int expectedResultsAfterDelete)<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> throws Exception {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> Table loader = new RegionAsTable(r);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> for (int i = 0; i < COMPACTION_THRESHOLD + 1; i++) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> HTestConst.addContent(loader, Bytes.toString(fam1), Bytes.toString(COL1), FIRST_ROW_BYTES,<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> THIRD_ROW_BYTES, i);<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> HTestConst.addContent(loader, Bytes.toString(fam1), Bytes.toString(COL2), FIRST_ROW_BYTES,<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> THIRD_ROW_BYTES, i);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> HTestConst.addContent(loader, Bytes.toString(fam2), Bytes.toString(COL1), FIRST_ROW_BYTES,<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> THIRD_ROW_BYTES, i);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> HTestConst.addContent(loader, Bytes.toString(fam2), Bytes.toString(COL2), FIRST_ROW_BYTES,<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> THIRD_ROW_BYTES, i);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> r.flush(true);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> }<a name="line.209"></a> |
| <span class="sourceLineNo">210</span><a name="line.210"></a> |
| <span class="sourceLineNo">211</span> Result result = r.get(new Get(FIRST_ROW_BYTES).addColumn(fam1, COL1).readVersions(100));<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> assertEquals(COMPACTION_THRESHOLD, result.size());<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> result = r.get(new Get(SECOND_ROW_BYTES).addColumn(fam2, COL2).readVersions(100));<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> assertEquals(COMPACTION_THRESHOLD, result.size());<a name="line.214"></a> |
| <span class="sourceLineNo">215</span><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> // Now add deletes to memstore and then flush it. That will put us over<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // the compaction threshold of 3 store files. Compacting these store files<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // should result in a compacted store file that has no references to the<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // deleted row.<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> r.delete(delete);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> // Make sure that we have only deleted family2 from secondRowBytes<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> result = r.get(new Get(SECOND_ROW_BYTES).addColumn(fam2, COL2).readVersions(100));<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> assertEquals(expectedResultsAfterDelete, result.size());<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> // but we still have firstrow<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> result = r.get(new Get(FIRST_ROW_BYTES).addColumn(fam1, COL1).readVersions(100));<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> assertEquals(COMPACTION_THRESHOLD, result.size());<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> r.flush(true);<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> // should not change anything.<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> // Let us check again<a name="line.231"></a> |
| <span class="sourceLineNo">232</span><a name="line.232"></a> |
| <span class="sourceLineNo">233</span> // Make sure that we have only deleted family2 from secondRowBytes<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> result = r.get(new Get(SECOND_ROW_BYTES).addColumn(fam2, COL2).readVersions(100));<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> assertEquals(expectedResultsAfterDelete, result.size());<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> // but we still have firstrow<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> result = r.get(new Get(FIRST_ROW_BYTES).addColumn(fam1, COL1).readVersions(100));<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> assertEquals(COMPACTION_THRESHOLD, result.size());<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> // do a compaction<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> HStore store2 = r.getStore(fam2);<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> int numFiles1 = store2.getStorefiles().size();<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> assertTrue("Was expecting to see 4 store files", numFiles1 > COMPACTION_THRESHOLD); // > 3<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> Optional<CompactionContext> compaction = store2.requestCompaction();<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> assertTrue(compaction.isPresent());<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> store2.compact(compaction.get(), NoLimitThroughputController.INSTANCE, null); // = 3<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> int numFiles2 = store2.getStorefiles().size();<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> // Check that we did compact<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> assertTrue("Number of store files should go down", numFiles1 > numFiles2);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> // Check that it was a minor compaction.<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> assertTrue("Was not supposed to be a major compaction", numFiles2 > 1);<a name="line.251"></a> |
| <span class="sourceLineNo">252</span><a name="line.252"></a> |
| <span class="sourceLineNo">253</span> // Make sure that we have only deleted family2 from secondRowBytes<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> result = r.get(new Get(SECOND_ROW_BYTES).addColumn(fam2, COL2).readVersions(100));<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> assertEquals(expectedResultsAfterDelete, result.size());<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // but we still have firstrow<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> result = r.get(new Get(FIRST_ROW_BYTES).addColumn(fam1, COL1).readVersions(100));<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> assertEquals(COMPACTION_THRESHOLD, result.size());<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span>}<a name="line.260"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
