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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;</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.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.List;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.concurrent.ExecutionException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.TimeoutException;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.RegionLocator;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.regionserver.HRegion;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.wal.NoEOFWALStreamReader;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.wal.WAL;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.wal.WALStreamReader;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.After;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.AfterClass;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.ClassRule;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.Test;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49">/**</span> |
| <span class="source-line-no">050</span><span id="line-50"> * Testcase for HBASE-20066</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({ RegionServerTests.class, LargeTests.class })</span> |
| <span class="source-line-no">053</span><span id="line-53">public class TestSequenceIdMonotonicallyIncreasing {</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(TestSequenceIdMonotonicallyIncreasing.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 HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> private static final TableName NAME = TableName.valueOf("test");</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> private static final byte[] CF = Bytes.toBytes("cf");</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[] CQ = Bytes.toBytes("cq");</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> @BeforeClass</span> |
| <span class="source-line-no">068</span><span id="line-68"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">069</span><span id="line-69"> UTIL.startMiniCluster(2);</span> |
| <span class="source-line-no">070</span><span id="line-70"> }</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @AfterClass</span> |
| <span class="source-line-no">073</span><span id="line-73"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">074</span><span id="line-74"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> @After</span> |
| <span class="source-line-no">078</span><span id="line-78"> public void tearDown() throws IOException {</span> |
| <span class="source-line-no">079</span><span id="line-79"> Admin admin = UTIL.getAdmin();</span> |
| <span class="source-line-no">080</span><span id="line-80"> if (admin.tableExists(NAME)) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> admin.disableTable(NAME);</span> |
| <span class="source-line-no">082</span><span id="line-82"> admin.deleteTable(NAME);</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> private Table createTable(boolean multiRegions) throws IOException {</span> |
| <span class="source-line-no">087</span><span id="line-87"> if (multiRegions) {</span> |
| <span class="source-line-no">088</span><span id="line-88"> return UTIL.createTable(NAME, CF, new byte[][] { Bytes.toBytes(1) });</span> |
| <span class="source-line-no">089</span><span id="line-89"> } else {</span> |
| <span class="source-line-no">090</span><span id="line-90"> return UTIL.createTable(NAME, CF);</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> private long getMaxSeqId(HRegionServer rs, RegionInfo region) throws IOException {</span> |
| <span class="source-line-no">095</span><span id="line-95"> Path walFile = ((AbstractFSWAL<?>) rs.getWAL(null)).getCurrentFileName();</span> |
| <span class="source-line-no">096</span><span id="line-96"> long maxSeqId = -1L;</span> |
| <span class="source-line-no">097</span><span id="line-97"> try (WALStreamReader reader =</span> |
| <span class="source-line-no">098</span><span id="line-98"> NoEOFWALStreamReader.create(UTIL.getTestFileSystem(), walFile, UTIL.getConfiguration())) {</span> |
| <span class="source-line-no">099</span><span id="line-99"> for (;;) {</span> |
| <span class="source-line-no">100</span><span id="line-100"> WAL.Entry entry = reader.next();</span> |
| <span class="source-line-no">101</span><span id="line-101"> if (entry == null) {</span> |
| <span class="source-line-no">102</span><span id="line-102"> break;</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104"> if (Bytes.equals(region.getEncodedNameAsBytes(), entry.getKey().getEncodedRegionName())) {</span> |
| <span class="source-line-no">105</span><span id="line-105"> maxSeqId = Math.max(maxSeqId, entry.getKey().getSequenceId());</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"> }</span> |
| <span class="source-line-no">109</span><span id="line-109"> return maxSeqId;</span> |
| <span class="source-line-no">110</span><span id="line-110"> }</span> |
| <span class="source-line-no">111</span><span id="line-111"></span> |
| <span class="source-line-no">112</span><span id="line-112"> @Test</span> |
| <span class="source-line-no">113</span><span id="line-113"> public void testSplit()</span> |
| <span class="source-line-no">114</span><span id="line-114"> throws IOException, InterruptedException, ExecutionException, TimeoutException {</span> |
| <span class="source-line-no">115</span><span id="line-115"> try (Table table = createTable(false)) {</span> |
| <span class="source-line-no">116</span><span id="line-116"> table.put(new Put(Bytes.toBytes(0)).addColumn(CF, CQ, Bytes.toBytes(0)));</span> |
| <span class="source-line-no">117</span><span id="line-117"> table.put(new Put(Bytes.toBytes(1)).addColumn(CF, CQ, Bytes.toBytes(0)));</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"> UTIL.flush(NAME);</span> |
| <span class="source-line-no">120</span><span id="line-120"> HRegionServer rs = UTIL.getRSForFirstRegionInTable(NAME);</span> |
| <span class="source-line-no">121</span><span id="line-121"> RegionInfo region = UTIL.getMiniHBaseCluster().getRegions(NAME).get(0).getRegionInfo();</span> |
| <span class="source-line-no">122</span><span id="line-122"> UTIL.getAdmin().splitRegionAsync(region.getRegionName(), Bytes.toBytes(1)).get(1,</span> |
| <span class="source-line-no">123</span><span id="line-123"> TimeUnit.MINUTES);</span> |
| <span class="source-line-no">124</span><span id="line-124"> long maxSeqId = getMaxSeqId(rs, region);</span> |
| <span class="source-line-no">125</span><span id="line-125"> RegionLocator locator = UTIL.getConnection().getRegionLocator(NAME);</span> |
| <span class="source-line-no">126</span><span id="line-126"> HRegionLocation locA = locator.getRegionLocation(Bytes.toBytes(0), true);</span> |
| <span class="source-line-no">127</span><span id="line-127"> HRegionLocation locB = locator.getRegionLocation(Bytes.toBytes(1), true);</span> |
| <span class="source-line-no">128</span><span id="line-128"> assertEquals(maxSeqId + 1, locA.getSeqNum());</span> |
| <span class="source-line-no">129</span><span id="line-129"> assertEquals(maxSeqId + 1, locB.getSeqNum());</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> @Test</span> |
| <span class="source-line-no">133</span><span id="line-133"> public void testMerge()</span> |
| <span class="source-line-no">134</span><span id="line-134"> throws IOException, InterruptedException, ExecutionException, TimeoutException {</span> |
| <span class="source-line-no">135</span><span id="line-135"> try (Table table = createTable(true)) {</span> |
| <span class="source-line-no">136</span><span id="line-136"> table.put(new Put(Bytes.toBytes(0)).addColumn(CF, CQ, Bytes.toBytes(0)));</span> |
| <span class="source-line-no">137</span><span id="line-137"> table.put(new Put(Bytes.toBytes(1)).addColumn(CF, CQ, Bytes.toBytes(0)));</span> |
| <span class="source-line-no">138</span><span id="line-138"> table.put(new Put(Bytes.toBytes(2)).addColumn(CF, CQ, Bytes.toBytes(0)));</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"> UTIL.flush(NAME);</span> |
| <span class="source-line-no">141</span><span id="line-141"> SingleProcessHBaseCluster cluster = UTIL.getMiniHBaseCluster();</span> |
| <span class="source-line-no">142</span><span id="line-142"> List<HRegion> regions = cluster.getRegions(NAME);</span> |
| <span class="source-line-no">143</span><span id="line-143"> HRegion regionA = regions.get(0);</span> |
| <span class="source-line-no">144</span><span id="line-144"> HRegion regionB = regions.get(1);</span> |
| <span class="source-line-no">145</span><span id="line-145"> HRegionServer rsA =</span> |
| <span class="source-line-no">146</span><span id="line-146"> cluster.getRegionServer(cluster.getServerWith(regionA.getRegionInfo().getRegionName()));</span> |
| <span class="source-line-no">147</span><span id="line-147"> HRegionServer rsB =</span> |
| <span class="source-line-no">148</span><span id="line-148"> cluster.getRegionServer(cluster.getServerWith(regionB.getRegionInfo().getRegionName()));</span> |
| <span class="source-line-no">149</span><span id="line-149"> UTIL.getAdmin().mergeRegionsAsync(regionA.getRegionInfo().getRegionName(),</span> |
| <span class="source-line-no">150</span><span id="line-150"> regionB.getRegionInfo().getRegionName(), false).get(1, TimeUnit.MINUTES);</span> |
| <span class="source-line-no">151</span><span id="line-151"> long maxSeqIdA = getMaxSeqId(rsA, regionA.getRegionInfo());</span> |
| <span class="source-line-no">152</span><span id="line-152"> long maxSeqIdB = getMaxSeqId(rsB, regionB.getRegionInfo());</span> |
| <span class="source-line-no">153</span><span id="line-153"> HRegionLocation loc =</span> |
| <span class="source-line-no">154</span><span id="line-154"> UTIL.getConnection().getRegionLocator(NAME).getRegionLocation(Bytes.toBytes(0), true);</span> |
| <span class="source-line-no">155</span><span id="line-155"> assertEquals(Math.max(maxSeqIdA, maxSeqIdB) + 1, loc.getSeqNum());</span> |
| <span class="source-line-no">156</span><span id="line-156"> }</span> |
| <span class="source-line-no">157</span><span id="line-157">}</span> |
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