| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.snapshot;<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.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertNotNull;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertTrue;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.mockito.Mockito.doAnswer;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.mockito.Mockito.spy;<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.List;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ExecutorService;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.Executors;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.Future;<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.fs.FileSystem;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<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.Table;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.regionserver.StoreFileInfo;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.regionserver.snapshot.FlushSnapshotSubprocedure;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.AfterClass;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.junit.BeforeClass;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.junit.ClassRule;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.Test;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.experimental.categories.Category;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span>/**<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * Testing the region snapshot task on a cluster.<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * @see org.apache.hadoop.hbase.regionserver.snapshot.FlushSnapshotSubprocedure.RegionSnapshotTask<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>@Category({ MediumTests.class, RegionServerTests.class })<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>public class TestRegionSnapshotTask {<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(TestRegionSnapshotTask.class);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private final Logger LOG = LoggerFactory.getLogger(getClass());<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static HBaseTestingUtil TEST_UTIL;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static Configuration conf;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static FileSystem fs;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private static Path rootDir;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> @BeforeClass<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> public static void setupBeforeClass() throws Exception {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> TEST_UTIL = new HBaseTestingUtil();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> conf = TEST_UTIL.getConfiguration();<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> // Try to frequently clean up compacted files<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> conf.setInt("hbase.hfile.compaction.discharger.interval", 1000);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> conf.setInt("hbase.master.hfilecleaner.ttl", 1000);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> TEST_UTIL.startMiniCluster(1);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> TEST_UTIL.getHBaseCluster().waitForActiveAndReadyMaster();<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> TEST_UTIL.waitUntilAllRegionsAssigned(TableName.META_TABLE_NAME);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> rootDir = CommonFSUtils.getRootDir(conf);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> fs = TEST_UTIL.getTestFileSystem();<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> @AfterClass<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> public static void tearDown() throws Exception {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> TEST_UTIL.shutdownMiniCluster();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> /**<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * Tests adding a region to the snapshot manifest while compactions are running on the region. The<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * idea is to slow down the process of adding a store file to the manifest while triggering<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * compactions on the region, allowing the store files to be marked for archival while snapshot<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * operation is running. This test checks for the correct behavior in such a case that the<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * compacted files should not be moved around if a snapshot operation is in progress. See<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * HBASE-18398<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> */<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> @Test<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public void testAddRegionWithCompactions() throws Exception {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> final TableName tableName = TableName.valueOf("test_table");<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> Table table = setupTable(tableName);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> List<HRegion> hRegions = TEST_UTIL.getHBaseCluster().getRegions(tableName);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> final SnapshotProtos.SnapshotDescription snapshot =<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> SnapshotProtos.SnapshotDescription.newBuilder().setTable(tableName.getNameAsString())<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> .setType(SnapshotProtos.SnapshotDescription.Type.FLUSH).setName("test_table_snapshot")<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> .setVersion(SnapshotManifestV2.DESCRIPTOR_VERSION).build();<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> ForeignExceptionDispatcher monitor = new ForeignExceptionDispatcher(snapshot.getName());<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> final HRegion region = spy(hRegions.get(0));<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> Path workingDir = SnapshotDescriptionUtils.getWorkingSnapshotDir(snapshot, rootDir, conf);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> final SnapshotManifest manifest =<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> SnapshotManifest.create(conf, fs, workingDir, snapshot, monitor);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> manifest.addTableDescriptor(table.getDescriptor());<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> if (!fs.exists(workingDir)) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> fs.mkdirs(workingDir);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> assertTrue(fs.exists(workingDir));<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> SnapshotDescriptionUtils.writeSnapshotInfo(snapshot, workingDir, fs);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> doAnswer(__ -> {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> addRegionToSnapshot(snapshot, region, manifest);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> return null;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> }).when(region).addRegionToSnapshot(snapshot, monitor);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> FlushSnapshotSubprocedure.RegionSnapshotTask snapshotTask =<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> new FlushSnapshotSubprocedure.RegionSnapshotTask(region, snapshot, true, monitor);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> ExecutorService executor = Executors.newFixedThreadPool(1);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> Future f = executor.submit(snapshotTask);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> // Trigger major compaction and wait for snaphot operation to finish<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> LOG.info("Starting major compaction");<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> region.compact(true);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> LOG.info("Finished major compaction");<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> f.get();<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> // Consolidate region manifests into a single snapshot manifest<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> manifest.consolidate();<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> // Make sure that the region manifest exists, which means the snapshot operation succeeded<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> assertNotNull(manifest.getRegionManifests());<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> // Sanity check, there should be only one region<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> assertEquals(1, manifest.getRegionManifests().size());<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> // Make sure that no files went missing after the snapshot operation<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> SnapshotReferenceUtil.verifySnapshot(conf, fs, manifest);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> private void addRegionToSnapshot(SnapshotProtos.SnapshotDescription snapshot, HRegion region,<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> SnapshotManifest manifest) throws Exception {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> LOG.info("Adding region to snapshot: " + region.getRegionInfo().getRegionNameAsString());<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> Path workingDir = SnapshotDescriptionUtils.getWorkingSnapshotDir(snapshot, rootDir, conf);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> SnapshotManifest.RegionVisitor visitor = createRegionVisitorWithDelay(snapshot, workingDir);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> manifest.addRegion(region, visitor);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> LOG.info("Added the region to snapshot: " + region.getRegionInfo().getRegionNameAsString());<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> private SnapshotManifest.RegionVisitor<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> createRegionVisitorWithDelay(SnapshotProtos.SnapshotDescription desc, Path workingDir) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> return new SnapshotManifestV2.ManifestBuilder(conf, fs, workingDir) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> @Override<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> public void storeFile(final SnapshotProtos.SnapshotRegionManifest.Builder region,<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> final SnapshotProtos.SnapshotRegionManifest.FamilyFiles.Builder family,<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> final StoreFileInfo storeFile) throws IOException {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> try {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> LOG.debug("Introducing delay before adding store file to manifest");<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> Thread.sleep(2000);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> } catch (InterruptedException ex) {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> LOG.error("Interrupted due to error: " + ex);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> super.storeFile(region, family, storeFile);<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 name="line.188"></a> |
| <span class="sourceLineNo">189</span> private Table setupTable(TableName tableName) throws Exception {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(tableName);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // Flush many files, but do not compact immediately<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> // Make sure that the region does not split<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> builder.setMemStoreFlushSize(5000)<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> .setRegionSplitPolicyClassName(ConstantSizeRegionSplitPolicy.class.getName())<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> .setMaxFileSize(100 * 1024 * 1024).setValue("hbase.hstore.compactionThreshold", "250");<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> TableDescriptor td = builder.build();<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> byte[] fam = Bytes.toBytes("fam");<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> Table table = TEST_UTIL.createTable(td, new byte[][] { fam }, TEST_UTIL.getConfiguration());<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> TEST_UTIL.loadTable(table, fam);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> return table;<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span>}<a name="line.203"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |