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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.wal;<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><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.NavigableMap;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.TreeMap;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileSystem;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.fs.Path;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.TableName;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.wal.WALFactory;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.wal.WALKeyImpl;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.junit.After;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.Before;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.junit.BeforeClass;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.junit.ClassRule;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.Test;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.experimental.categories.Category;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span>/**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * Test that the actions are called while playing with an WAL<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> */<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>@Category({RegionServerTests.class, SmallTests.class})<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>public class TestWALActionsListener {<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> @ClassRule<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> HBaseClassTestRule.forClass(TestWALActionsListener.class);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private final static HBaseTestingUtility TEST_UTIL =<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> new HBaseTestingUtility();<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private final static byte[] SOME_BYTES = Bytes.toBytes("t");<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private static Configuration conf;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static Path rootDir;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static Path walRootDir;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private static FileSystem fs;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static FileSystem logFs;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> @BeforeClass<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> public static void setUpBeforeClass() throws Exception {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> conf = TEST_UTIL.getConfiguration();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> conf.setInt("hbase.regionserver.maxlogs", 5);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> rootDir = TEST_UTIL.createRootDir();<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> walRootDir = TEST_UTIL.createWALRootDir();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> fs = CommonFSUtils.getRootDirFileSystem(conf);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> logFs = CommonFSUtils.getWALFileSystem(conf);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> @Before<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public void setUp() throws Exception {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> fs.delete(rootDir, true);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> logFs.delete(new Path(walRootDir, HConstants.HREGION_LOGDIR_NAME), true);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> logFs.delete(new Path(walRootDir, HConstants.HREGION_OLDLOGDIR_NAME), true);<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> @After<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public void tearDown() throws Exception {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> setUp();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> /**<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * Add a bunch of dummy data and roll the logs every two insert. We<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * should end up with 10 rolled files (plus the roll called in<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * the constructor). Also test adding a listener while it's running.<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> @Test<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> public void testActionListener() throws Exception {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> DummyWALActionsListener observer = new DummyWALActionsListener();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> final WALFactory wals = new WALFactory(conf, "testActionListener");<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> wals.getWALProvider().addWALActionsListener(observer);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> DummyWALActionsListener laterobserver = new DummyWALActionsListener();<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> RegionInfo hri = RegionInfoBuilder.newBuilder(TableName.valueOf(SOME_BYTES))<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> .setStartKey(SOME_BYTES).setEndKey(SOME_BYTES).build();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> final WAL wal = wals.getWAL(hri);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> for (int i = 0; i < 20; i++) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> byte[] b = Bytes.toBytes(i + "");<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> KeyValue kv = new KeyValue(b, b, b);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> WALEdit edit = new WALEdit();<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> edit.add(kv);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> NavigableMap<byte[], Integer> scopes = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> scopes.put(b, 0);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> long txid = wal.appendData(hri,<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> new WALKeyImpl(hri.getEncodedNameAsBytes(), TableName.valueOf(b), 0, mvcc, scopes), edit);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> wal.sync(txid);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> if (i == 10) {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> wal.registerWALActionsListener(laterobserver);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> if (i % 2 == 0) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> wal.rollWriter();<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><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> wal.close();<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> assertEquals(11, observer.preLogRollCounter);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> assertEquals(11, observer.postLogRollCounter);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> assertEquals(5, laterobserver.preLogRollCounter);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> assertEquals(5, laterobserver.postLogRollCounter);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> assertEquals(1, observer.closedCount);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> /**<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * Just counts when methods are called<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> */<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> public static class DummyWALActionsListener implements WALActionsListener {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public int preLogRollCounter = 0;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> public int postLogRollCounter = 0;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> public int closedCount = 0;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> @Override<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> public void preLogRoll(Path oldFile, Path newFile) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> preLogRollCounter++;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> @Override<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> public void postLogRoll(Path oldFile, Path newFile) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> postLogRollCounter++;<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> @Override<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> public void logCloseRequested() {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> closedCount++;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<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>}<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
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| </pre> |
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