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<pre><span class="source-line-no">001</span><span id="line-1">/*</span>
<span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
<span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span>
<span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
<span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span>
<span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
<span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
<span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span>
<span class="source-line-no">009</span><span id="line-9"> *</span>
<span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="source-line-no">011</span><span id="line-11"> *</span>
<span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
<span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
<span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
<span class="source-line-no">017</span><span id="line-17"> */</span>
<span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.regionserver;</span>
<span class="source-line-no">019</span><span id="line-19"></span>
<span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span>
<span class="source-line-no">021</span><span id="line-21"></span>
<span class="source-line-no">022</span><span id="line-22">import java.io.FileNotFoundException;</span>
<span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span>
<span class="source-line-no">024</span><span id="line-24">import java.util.List;</span>
<span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.conf.Configuration;</span>
<span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseTestingUtil;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.TableName;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.Waiter;</span>
<span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.Admin;</span>
<span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.CompactionState;</span>
<span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.Put;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Table;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.testclassification.MediumTests;</span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.util.Bytes;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;</span>
<span class="source-line-no">037</span><span id="line-37">import org.junit.After;</span>
<span class="source-line-no">038</span><span id="line-38">import org.junit.AfterClass;</span>
<span class="source-line-no">039</span><span id="line-39">import org.junit.Assert;</span>
<span class="source-line-no">040</span><span id="line-40">import org.junit.BeforeClass;</span>
<span class="source-line-no">041</span><span id="line-41">import org.junit.ClassRule;</span>
<span class="source-line-no">042</span><span id="line-42">import org.junit.Test;</span>
<span class="source-line-no">043</span><span id="line-43">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">044</span><span id="line-44">import org.slf4j.Logger;</span>
<span class="source-line-no">045</span><span id="line-45">import org.slf4j.LoggerFactory;</span>
<span class="source-line-no">046</span><span id="line-46"></span>
<span class="source-line-no">047</span><span id="line-47">/**</span>
<span class="source-line-no">048</span><span id="line-48"> * This class tests the scenario where a store refresh happens due to a file not found during scan,</span>
<span class="source-line-no">049</span><span id="line-49"> * after a compaction but before the compacted files are archived. At this state we test for a split</span>
<span class="source-line-no">050</span><span id="line-50"> * and compaction</span>
<span class="source-line-no">051</span><span id="line-51"> */</span>
<span class="source-line-no">052</span><span id="line-52">@Category(MediumTests.class)</span>
<span class="source-line-no">053</span><span id="line-53">public class TestCompactionFileNotFound {</span>
<span class="source-line-no">054</span><span id="line-54"></span>
<span class="source-line-no">055</span><span id="line-55"> @ClassRule</span>
<span class="source-line-no">056</span><span id="line-56"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">057</span><span id="line-57"> HBaseClassTestRule.forClass(TestCompactionFileNotFound.class);</span>
<span class="source-line-no">058</span><span id="line-58"></span>
<span class="source-line-no">059</span><span id="line-59"> private static final Logger LOG = LoggerFactory.getLogger(TestCompactionFileNotFound.class);</span>
<span class="source-line-no">060</span><span id="line-60"> private static final HBaseTestingUtil util = new HBaseTestingUtil();</span>
<span class="source-line-no">061</span><span id="line-61"></span>
<span class="source-line-no">062</span><span id="line-62"> private static final TableName TEST_TABLE = TableName.valueOf("test");</span>
<span class="source-line-no">063</span><span id="line-63"> private static final byte[] TEST_FAMILY = Bytes.toBytes("f1");</span>
<span class="source-line-no">064</span><span id="line-64"></span>
<span class="source-line-no">065</span><span id="line-65"> private static final byte[] ROW_A = Bytes.toBytes("aaa");</span>
<span class="source-line-no">066</span><span id="line-66"> private static final byte[] ROW_B = Bytes.toBytes("bbb");</span>
<span class="source-line-no">067</span><span id="line-67"> private static final byte[] ROW_C = Bytes.toBytes("ccc");</span>
<span class="source-line-no">068</span><span id="line-68"></span>
<span class="source-line-no">069</span><span id="line-69"> private static final byte[] qualifierCol1 = Bytes.toBytes("col1");</span>
<span class="source-line-no">070</span><span id="line-70"></span>
<span class="source-line-no">071</span><span id="line-71"> private static final byte[] bytes1 = Bytes.toBytes(1);</span>
<span class="source-line-no">072</span><span id="line-72"> private static final byte[] bytes2 = Bytes.toBytes(2);</span>
<span class="source-line-no">073</span><span id="line-73"> private static final byte[] bytes3 = Bytes.toBytes(3);</span>
<span class="source-line-no">074</span><span id="line-74"></span>
<span class="source-line-no">075</span><span id="line-75"> private Table table;</span>
<span class="source-line-no">076</span><span id="line-76"></span>
<span class="source-line-no">077</span><span id="line-77"> @BeforeClass</span>
<span class="source-line-no">078</span><span id="line-78"> public static void setupBeforeClass() throws Exception {</span>
<span class="source-line-no">079</span><span id="line-79"> Configuration conf = util.getConfiguration();</span>
<span class="source-line-no">080</span><span id="line-80"> conf.setInt("hbase.hfile.compaction.discharger.interval", Integer.MAX_VALUE);</span>
<span class="source-line-no">081</span><span id="line-81"> util.startMiniCluster(3);</span>
<span class="source-line-no">082</span><span id="line-82"> }</span>
<span class="source-line-no">083</span><span id="line-83"></span>
<span class="source-line-no">084</span><span id="line-84"> @AfterClass</span>
<span class="source-line-no">085</span><span id="line-85"> public static void tearDownAfterClass() throws Exception {</span>
<span class="source-line-no">086</span><span id="line-86"> util.shutdownMiniCluster();</span>
<span class="source-line-no">087</span><span id="line-87"> }</span>
<span class="source-line-no">088</span><span id="line-88"></span>
<span class="source-line-no">089</span><span id="line-89"> @After</span>
<span class="source-line-no">090</span><span id="line-90"> public void after() throws Exception {</span>
<span class="source-line-no">091</span><span id="line-91"> try {</span>
<span class="source-line-no">092</span><span id="line-92"> if (table != null) {</span>
<span class="source-line-no">093</span><span id="line-93"> table.close();</span>
<span class="source-line-no">094</span><span id="line-94"> }</span>
<span class="source-line-no">095</span><span id="line-95"> } finally {</span>
<span class="source-line-no">096</span><span id="line-96"> util.deleteTable(TEST_TABLE);</span>
<span class="source-line-no">097</span><span id="line-97"> }</span>
<span class="source-line-no">098</span><span id="line-98"> }</span>
<span class="source-line-no">099</span><span id="line-99"></span>
<span class="source-line-no">100</span><span id="line-100"> @Test</span>
<span class="source-line-no">101</span><span id="line-101"> public void testSplitAfterRefresh() throws Exception {</span>
<span class="source-line-no">102</span><span id="line-102"> Admin admin = util.getAdmin();</span>
<span class="source-line-no">103</span><span id="line-103"> table = util.createTable(TEST_TABLE, TEST_FAMILY);</span>
<span class="source-line-no">104</span><span id="line-104"></span>
<span class="source-line-no">105</span><span id="line-105"> try {</span>
<span class="source-line-no">106</span><span id="line-106"> // Create Multiple store files</span>
<span class="source-line-no">107</span><span id="line-107"> Put puta = new Put(ROW_A);</span>
<span class="source-line-no">108</span><span id="line-108"> puta.addColumn(TEST_FAMILY, qualifierCol1, bytes1);</span>
<span class="source-line-no">109</span><span id="line-109"> table.put(puta);</span>
<span class="source-line-no">110</span><span id="line-110"> admin.flush(TEST_TABLE);</span>
<span class="source-line-no">111</span><span id="line-111"></span>
<span class="source-line-no">112</span><span id="line-112"> Put putb = new Put(ROW_B);</span>
<span class="source-line-no">113</span><span id="line-113"> putb.addColumn(TEST_FAMILY, qualifierCol1, bytes2);</span>
<span class="source-line-no">114</span><span id="line-114"> table.put(putb);</span>
<span class="source-line-no">115</span><span id="line-115"> admin.flush(TEST_TABLE);</span>
<span class="source-line-no">116</span><span id="line-116"></span>
<span class="source-line-no">117</span><span id="line-117"> Put putc = new Put(ROW_C);</span>
<span class="source-line-no">118</span><span id="line-118"> putc.addColumn(TEST_FAMILY, qualifierCol1, bytes3);</span>
<span class="source-line-no">119</span><span id="line-119"> table.put(putc);</span>
<span class="source-line-no">120</span><span id="line-120"> admin.flush(TEST_TABLE);</span>
<span class="source-line-no">121</span><span id="line-121"></span>
<span class="source-line-no">122</span><span id="line-122"> admin.compact(TEST_TABLE);</span>
<span class="source-line-no">123</span><span id="line-123"> while (admin.getCompactionState(TEST_TABLE) != CompactionState.NONE) {</span>
<span class="source-line-no">124</span><span id="line-124"> Thread.sleep(1000);</span>
<span class="source-line-no">125</span><span id="line-125"> }</span>
<span class="source-line-no">126</span><span id="line-126"> table.put(putb);</span>
<span class="source-line-no">127</span><span id="line-127"> HRegion hr1 = (HRegion) util.getRSForFirstRegionInTable(TEST_TABLE)</span>
<span class="source-line-no">128</span><span id="line-128"> .getRegionByEncodedName(admin.getRegions(TEST_TABLE).get(0).getEncodedName());</span>
<span class="source-line-no">129</span><span id="line-129"> // Refresh store files post compaction, this should not open already compacted files</span>
<span class="source-line-no">130</span><span id="line-130"> hr1.refreshStoreFiles(true);</span>
<span class="source-line-no">131</span><span id="line-131"> int numRegionsBeforeSplit = admin.getRegions(TEST_TABLE).size();</span>
<span class="source-line-no">132</span><span id="line-132"> // Check if we can successfully split after compaction</span>
<span class="source-line-no">133</span><span id="line-133"> admin.splitRegionAsync(admin.getRegions(TEST_TABLE).get(0).getEncodedNameAsBytes(), ROW_C)</span>
<span class="source-line-no">134</span><span id="line-134"> .get();</span>
<span class="source-line-no">135</span><span id="line-135"> util.waitFor(20000, new Waiter.Predicate&lt;Exception&gt;() {</span>
<span class="source-line-no">136</span><span id="line-136"> @Override</span>
<span class="source-line-no">137</span><span id="line-137"> public boolean evaluate() throws Exception {</span>
<span class="source-line-no">138</span><span id="line-138"> int numRegionsAfterSplit = 0;</span>
<span class="source-line-no">139</span><span id="line-139"> List&lt;RegionServerThread&gt; rst = util.getMiniHBaseCluster().getLiveRegionServerThreads();</span>
<span class="source-line-no">140</span><span id="line-140"> for (RegionServerThread t : rst) {</span>
<span class="source-line-no">141</span><span id="line-141"> numRegionsAfterSplit += t.getRegionServer().getRegions(TEST_TABLE).size();</span>
<span class="source-line-no">142</span><span id="line-142"> }</span>
<span class="source-line-no">143</span><span id="line-143"> // Make sure that the split went through and all the regions are assigned</span>
<span class="source-line-no">144</span><span id="line-144"> return (numRegionsAfterSplit == numRegionsBeforeSplit + 1</span>
<span class="source-line-no">145</span><span id="line-145"> &amp;&amp; admin.isTableAvailable(TEST_TABLE));</span>
<span class="source-line-no">146</span><span id="line-146"> }</span>
<span class="source-line-no">147</span><span id="line-147"> });</span>
<span class="source-line-no">148</span><span id="line-148"> // Split at this point should not result in the RS being aborted</span>
<span class="source-line-no">149</span><span id="line-149"> assertEquals(3, util.getMiniHBaseCluster().getLiveRegionServerThreads().size());</span>
<span class="source-line-no">150</span><span id="line-150"> } finally {</span>
<span class="source-line-no">151</span><span id="line-151"> if (admin != null) {</span>
<span class="source-line-no">152</span><span id="line-152"> admin.close();</span>
<span class="source-line-no">153</span><span id="line-153"> }</span>
<span class="source-line-no">154</span><span id="line-154"> }</span>
<span class="source-line-no">155</span><span id="line-155"> }</span>
<span class="source-line-no">156</span><span id="line-156"></span>
<span class="source-line-no">157</span><span id="line-157"> @Test</span>
<span class="source-line-no">158</span><span id="line-158"> public void testCompactionAfterRefresh() throws Exception {</span>
<span class="source-line-no">159</span><span id="line-159"> Admin admin = util.getAdmin();</span>
<span class="source-line-no">160</span><span id="line-160"> table = util.createTable(TEST_TABLE, TEST_FAMILY);</span>
<span class="source-line-no">161</span><span id="line-161"> try {</span>
<span class="source-line-no">162</span><span id="line-162"> // Create Multiple store files</span>
<span class="source-line-no">163</span><span id="line-163"> Put puta = new Put(ROW_A);</span>
<span class="source-line-no">164</span><span id="line-164"> puta.addColumn(TEST_FAMILY, qualifierCol1, bytes1);</span>
<span class="source-line-no">165</span><span id="line-165"> table.put(puta);</span>
<span class="source-line-no">166</span><span id="line-166"> admin.flush(TEST_TABLE);</span>
<span class="source-line-no">167</span><span id="line-167"></span>
<span class="source-line-no">168</span><span id="line-168"> Put putb = new Put(ROW_B);</span>
<span class="source-line-no">169</span><span id="line-169"> putb.addColumn(TEST_FAMILY, qualifierCol1, bytes2);</span>
<span class="source-line-no">170</span><span id="line-170"> table.put(putb);</span>
<span class="source-line-no">171</span><span id="line-171"> admin.flush(TEST_TABLE);</span>
<span class="source-line-no">172</span><span id="line-172"></span>
<span class="source-line-no">173</span><span id="line-173"> Put putc = new Put(ROW_C);</span>
<span class="source-line-no">174</span><span id="line-174"> putc.addColumn(TEST_FAMILY, qualifierCol1, bytes3);</span>
<span class="source-line-no">175</span><span id="line-175"> table.put(putc);</span>
<span class="source-line-no">176</span><span id="line-176"> admin.flush(TEST_TABLE);</span>
<span class="source-line-no">177</span><span id="line-177"></span>
<span class="source-line-no">178</span><span id="line-178"> admin.compact(TEST_TABLE);</span>
<span class="source-line-no">179</span><span id="line-179"> while (admin.getCompactionState(TEST_TABLE) != CompactionState.NONE) {</span>
<span class="source-line-no">180</span><span id="line-180"> Thread.sleep(1000);</span>
<span class="source-line-no">181</span><span id="line-181"> }</span>
<span class="source-line-no">182</span><span id="line-182"> table.put(putb);</span>
<span class="source-line-no">183</span><span id="line-183"> HRegion hr1 = (HRegion) util.getRSForFirstRegionInTable(TEST_TABLE)</span>
<span class="source-line-no">184</span><span id="line-184"> .getRegionByEncodedName(admin.getRegions(TEST_TABLE).get(0).getEncodedName());</span>
<span class="source-line-no">185</span><span id="line-185"> // Refresh store files post compaction, this should not open already compacted files</span>
<span class="source-line-no">186</span><span id="line-186"> hr1.refreshStoreFiles(true);</span>
<span class="source-line-no">187</span><span id="line-187"> // Archive the store files and try another compaction to see if all is good</span>
<span class="source-line-no">188</span><span id="line-188"> for (HStore store : hr1.getStores()) {</span>
<span class="source-line-no">189</span><span id="line-189"> store.closeAndArchiveCompactedFiles();</span>
<span class="source-line-no">190</span><span id="line-190"> }</span>
<span class="source-line-no">191</span><span id="line-191"> try {</span>
<span class="source-line-no">192</span><span id="line-192"> hr1.compact(false);</span>
<span class="source-line-no">193</span><span id="line-193"> } catch (IOException e) {</span>
<span class="source-line-no">194</span><span id="line-194"> LOG.error("Got an exception during compaction", e);</span>
<span class="source-line-no">195</span><span id="line-195"> if (e instanceof FileNotFoundException) {</span>
<span class="source-line-no">196</span><span id="line-196"> Assert.fail("Got a FNFE during compaction");</span>
<span class="source-line-no">197</span><span id="line-197"> } else {</span>
<span class="source-line-no">198</span><span id="line-198"> Assert.fail();</span>
<span class="source-line-no">199</span><span id="line-199"> }</span>
<span class="source-line-no">200</span><span id="line-200"> }</span>
<span class="source-line-no">201</span><span id="line-201"> } finally {</span>
<span class="source-line-no">202</span><span id="line-202"> if (admin != null) {</span>
<span class="source-line-no">203</span><span id="line-203"> admin.close();</span>
<span class="source-line-no">204</span><span id="line-204"> }</span>
<span class="source-line-no">205</span><span id="line-205"> }</span>
<span class="source-line-no">206</span><span id="line-206"> }</span>
<span class="source-line-no">207</span><span id="line-207">}</span>
</pre>
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